for the year ended december 31 , 2018 , total revenue increased $ 23.4 million , or 16.9 % , to $ 161.4 million from $ 138.0 million in 2017 , driven by higher net interest income and swap fees for the bank , as well as higher investment management fees for chartwell . our net interest margin was 2.26 % for the year ended december 31 , 2018 , as compared to 2.25 % in 2017 . the increase in net interest margin for the year ended december 31 , 2018 , was driven by an increase in the yield on loans , largely offset by an increase in the cost of funds . 48 our non-interest income is largely comprised of investment management fees for chartwell , which totaled $ 37.6 million for the year ended december 31 , 2018 , as compared to $ 37.1 million in 2017 . the increase was driven by higher assets under management related to the columbia acquisition and net inflows , partially offset by market depreciation . for the year ended december 31 , 2018 , the bank 's efficiency ratio was 53.09 % , as compared to 57.39 % in 2017 , primarily as a result of growth in total revenue , tempered by the growth in non-interest expense . our non-interest expense to average assets for the year ended december 31 , 2018 , was 1.93 % , as compared to 2.15 % in 2017 . our return on average assets was 1.00 % for the year ended december 31 , 2018 , as compared to 0.89 % in 2017 . our return on average common equity was 12.57 % for the year ended december 31 , 2018 , as compared to 10.30 % in 2017 . the increase in these ratios is due to continued growth in earnings . total assets of $ 6.04 billion as of december 31 , 2018 , increased $ 1.26 billion , or 26.3 % , from december 31 , 2017 . loans held-for-investment grew by $ 948.6 million to $ 5.13 billion as of december 31 , 2018 , an increase of 22.7 % from december 31 , 2017 , as a result of growth in our commercial and private banking loan portfolios . total deposits increased $ 1.06 billion , or 26.7 % , to $ 5.05 billion as of december 31 , 2018 , from $ 3.99 billion as of december 31 , 2017 . our ratio of adverse-rated credits to total loans declined to 0.48 % at december 31 , 2018 , from 0.71 % at december 31 , 2017 . our ratio of allowance for loan losses to loans decreased to 0.26 % as of december 31 , 2018 , from 0.34 % as of december 31 , 2017 , reflecting low non-performing loans and lower levels of provision required for private banking loans . our book value per common share increased $ 1.66 , or 12.2 % , to $ 15.27 as of december 31 , 2018 , from $ 13.61 as of december 31 , 2017 , largely as a result of an increase in our net income available to common shareholders , partially offset by the issuance of restricted stock and the purchase of treasury shares during year ended december 31 , 2018 . 2017 compared to 2016 operating performance for the year ended december 31 , 2017 , our net income was $ 38.0 million compared to $ 28.6 million in 2016 , an increase of $ 9.3 million , or 32.6 % . this increase was primarily due to the net impact of ( 1 ) a $ 16.5 million , or 22.1 % , increase in our net interest income due largely to our continued loan growth ; ( 2 ) a decrease in provision for loan losses of $ 1.5 million ; ( 3 ) an increase of $ 458,000 in non-interest income largely related to higher swap revenue ; ( 4 ) an increase of $ 12.7 million in our non-interest expense largely due to a full year of expenses related to the tkg acquisition as well as higher compensation and fdic insurance expenses ; and ( 5 ) a $ 3.6 million decrease in income taxes largely due to the enactment of the tax cuts and jobs act in december 2017. our diluted eps was $ 1.32 for the year ended december 31 , 2017 , compared to $ 1.01 in 2016 . the increase is a result of an increase of $ 9.3 million , or 32.6 % , in our net income in 2017 which included a $ 2.4 million , or $ 0.08 per diluted share , one-time tax adjustment as a result of the enactment of the tax cuts and jobs act in december 2017. for the year ended december 31 , 2017 , total revenue increased $ 16.8 million , or 13.8 % , to $ 138.0 million from $ 121.2 million in 2016 , driven by higher net interest income and swap fees . our net interest margin was 2.25 % for the year ended december 31 , 2017 , as compared to 2.23 % in 2016 . the increase in net interest margin for the year ended december 31 , 2017 , was driven by an increase in the yield on loans , partially offset by an increase in the cost of funds . our non-interest income is largely comprised of investment management fees for chartwell , which totaled $ 37.1 million for the year ended december 31 , 2017 as compared to $ 37.0 million in 2016. the increase included a full year of assets under management related to the tkg acquisition , partially offset by the loss of a sub-advisory relationship . story_separator_special_tag the largest portion of non-interest expense for each segment is compensation and employee benefits , which include employee payroll expense as well as the cost of incentive compensation , benefit plans , health insurance and payroll taxes , all of which are impacted by the growth in our employee base , coupled with increases in the level of compensation and benefits of our existing employees . the information provided under the caption “ parent and other ” represents general operating activity of the company not considered to be a reportable segment , which includes parent company activity as well as eliminations and adjustments that are necessary for purposes of reconciliation to the consolidated amounts . 56 the following table presents the components of our non-interest expense by operating segment for the years ended december 31 , 2018 and 2017 : replace_table_token_21_th ( 1 ) other operating expenses largely include items such as organizational dues and subscriptions , investment research fees , sub-advisory fees , telephone , marketing , employee-related expenses and other general operating expenses . ( 2 ) full-time equivalent employees shown are as of the end of the period presented . non-interest expense for the years ended december 31 , 2018 and 2017 . our non-interest expense for the year ended december 31 , 2018 , increased $ 9.7 million , or 10.6 % , as compared to 2017 , of which $ 8.1 million relates to the increase in expenses of the bank segment and $ 1.3 million relates to the increase in expenses of the investment management segment . notable changes in each segment 's expenses are as follows : bank segment : compensation and employee benefits of the bank segment for the year ended december 31 , 2018 , increased by $ 4.8 million compared to 2017 , primarily due to an increase in the number of full-time equivalent employees , increases in the overall annual wage and benefits costs of our existing employees , and increases in incentive and stock -based compensation expenses . premises and occupancy costs for the year ended december 31 , 2018 , increased by $ 594,000 compared to 2017 , primarily due to continued improvements to our infrastructure . professional fees for the year ended december 31 , 2018 , increased by $ 443,000 compared to 2017 , due to general growth in the business . fdic insurance expense for the year ended december 31 , 2018 , increased by $ 305,000 compared to 2017 , due to the increase in the bank 's assets . travel and entertainment expense for the year ended december 31 , 2018 , increased by $ 652,000 compared to 2017 , primarily due to a higher level of officer and relationship manager business development activity consistent with our continued growth . data processing expense for the year ended december 31 , 2018 , increased by $ 983,000 compared to 2017 . in 2017 , we received certain one-time credits related to certain technology applications . other operating expenses for the year ended december 31 , 2018 , increased by $ 329,000 compared to 2017 , primarily due to higher costs of $ 337,000 related to information services associated with our private banking loans and higher provision for unfunded commitments of $ 184,000 , partially offset by lower marketing expenses of $ 298,000 . 57 investment management segment : chartwell 's compensation and employee benefits costs for the year ended december 31 , 2018 , increased by $ 644,000 compared to 2017 , primarily driven by normal increases in compensation expenses . professional fees for the year ended december 31 , 2018 , increased by $ 269,000 compared to 2017 , which included costs related to the columbia acquisition and general growth in the business . there was a decrease in the fair value of the columbia acquisition earn out of $ 218,000 for the year ended december 31 , 2018 , based on management 's final determination of the annualized run-rate revenue of columbia at december 31 , 2018 . for additional information , refer to n ote 2 , business combination , to our consolidated financial statements . other operating expenses for the year ended december 31 , 2018 , increased by $ 498,000 compared to 2017 , primarily due to higher investment research fees . the following table presents the components of our non-interest expense by operating segment for the years ended december 31 , 2017 and 2016 : replace_table_token_22_th ( 1 ) other operating expenses largely include items such as organizational dues and subscriptions , investment research fees , sub-advisory fees , telephone , marketing , employee-related expenses and other general operating expenses . ( 2 ) full-time equivalent employees shown are as of the end of the period presented . non-interest expense for the years ended december 31 , 2017 and 2016 . our non-interest expense for the year ended december 31 , 2017 , increased $ 12.7 million , or 16.1 % , as compared to 2016 , of which $ 6.4 million relates to the increase in expenses of the bank segment and $ 6.3 million relates to the increase in expenses of the investment management segment . notable changes in each segment 's expenses are described below . bank segment : compensation and employee benefits of the bank segment for the year ended december 31 , 2017 , increased by $ 4.2 million compared to 2016 , primarily due to an increase in the number of full-time equivalent employees , increases in the overall annual wage and benefits costs of our existing employees , and increases in incentive and stock -based compensation expenses . fdic insurance expense for the year ended december 31 , 2017 , increased by $ 1.2 million compared to 2016 , due to a change in the fdic assessment methodology effective in the third quarter of 2016 , and the increase in the bank 's assets . other operating expenses for the

investing activities resulted in a net cash outflow of $ 1.21 billion for the year ended december 31 , 2018 , as compared to a net cash outflow of $ 776.1 million in 2017 . the outflow s for the year ended december 31 , 2018 , were primarily due $ 956.7 million in net loan growth and $ 305.0 million for the purchase of investment securities , partially offset by proceeds from the sale , principal repayments and maturities of investments securities of $ 64.1 million . the outflow s for the year ended december 31 , 2017 , were primarily due to $ 793.8 million in net loan growth and the purchase of investment securities of $ 38.9 million , partially offset by proceeds from the sale , principal repayments and maturities of investments securities of $ 61.1 million . financing activities resulted in a net inflow of $ 1.16 billion for the year ended december 31 , 2018 , compared to a net inflow of $ 790.0 million in 2017 , primarily as a result of the net growth in deposits of $ 1.06 billion , an increase of $ 70.0 million in fhlb advances and the net proceeds from the issuance of preferred stock of $ 38.5 million , partially offset by payments of $ 7.8 million for share repurchase programs ( including stock option cancellations ) for the year ended december 31 , 2018 , compared to net growth of $ 700.8 million in deposits and an increase in fhlb advances of $ 90.0 million , partially offset by payments of $ 8.7 million for share repurchase programs for the year ended december 31 , 2017 . we continue to evaluate the potential impact on liquidity management of various regulatory proposals , including those being established under the dodd-frank wall street reform and consumer protection act , as government regulators continue the final rule-making process .


 Write a concise suspicious activity report of the following text delimited by triple backquotes. Return your response as a formal report which covers the key points highlighting the location,dates,entity names and account holder information in chronological order of the text.
     ```investing activities resulted in a net cash outflow of $ 1.21 billion for the year ended december 31 , 2018 , as compared to a net cash outflow of $ 776.1 million in 2017 . the outflow s for the year ended december 31 , 2018 , were primarily due $ 956.7 million in net loan growth and $ 305.0 million for the purchase of investment securities , partially offset by proceeds from the sale , principal repayments and maturities of investments securities of $ 64.1 million . the outflow s for the year ended december 31 , 2017 , were primarily due to $ 793.8 million in net loan growth and the purchase of investment securities of $ 38.9 million , partially offset by proceeds from the sale , principal repayments and maturities of investments securities of $ 61.1 million . financing activities resulted in a net inflow of $ 1.16 billion for the year ended december 31 , 2018 , compared to a net inflow of $ 790.0 million in 2017 , primarily as a result of the net growth in deposits of $ 1.06 billion , an increase of $ 70.0 million in fhlb advances and the net proceeds from the issuance of preferred stock of $ 38.5 million , partially offset by payments of $ 7.8 million for share repurchase programs ( including stock option cancellations ) for the year ended december 31 , 2018 , compared to net growth of $ 700.8 million in deposits and an increase in fhlb advances of $ 90.0 million , partially offset by payments of $ 8.7 million for share repurchase programs for the year ended december 31 , 2017 . we continue to evaluate the potential impact on liquidity management of various regulatory proposals , including those being established under the dodd-frank wall street reform and consumer protection act , as government regulators continue the final rule-making process .
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 Suspicious Activity Report : for the year ended december 31 , 2018 , total revenue increased $ 23.4 million , or 16.9 % , to $ 161.4 million from $ 138.0 million in 2017 , driven by higher net interest income and swap fees for the bank , as well as higher investment management fees for chartwell . our net interest margin was 2.26 % for the year ended december 31 , 2018 , as compared to 2.25 % in 2017 . the increase in net interest margin for the year ended december 31 , 2018 , was driven by an increase in the yield on loans , largely offset by an increase in the cost of funds . 48 our non-interest income is largely comprised of investment management fees for chartwell , which totaled $ 37.6 million for the year ended december 31 , 2018 , as compared to $ 37.1 million in 2017 . the increase was driven by higher assets under management related to the columbia acquisition and net inflows , partially offset by market depreciation . for the year ended december 31 , 2018 , the bank 's efficiency ratio was 53.09 % , as compared to 57.39 % in 2017 , primarily as a result of growth in total revenue , tempered by the growth in non-interest expense . our non-interest expense to average assets for the year ended december 31 , 2018 , was 1.93 % , as compared to 2.15 % in 2017 . our return on average assets was 1.00 % for the year ended december 31 , 2018 , as compared to 0.89 % in 2017 . our return on average common equity was 12.57 % for the year ended december 31 , 2018 , as compared to 10.30 % in 2017 . the increase in these ratios is due to continued growth in earnings . total assets of $ 6.04 billion as of december 31 , 2018 , increased $ 1.26 billion , or 26.3 % , from december 31 , 2017 . loans held-for-investment grew by $ 948.6 million to $ 5.13 billion as of december 31 , 2018 , an increase of 22.7 % from december 31 , 2017 , as a result of growth in our commercial and private banking loan portfolios . total deposits increased $ 1.06 billion , or 26.7 % , to $ 5.05 billion as of december 31 , 2018 , from $ 3.99 billion as of december 31 , 2017 . our ratio of adverse-rated credits to total loans declined to 0.48 % at december 31 , 2018 , from 0.71 % at december 31 , 2017 . our ratio of allowance for loan losses to loans decreased to 0.26 % as of december 31 , 2018 , from 0.34 % as of december 31 , 2017 , reflecting low non-performing loans and lower levels of provision required for private banking loans . our book value per common share increased $ 1.66 , or 12.2 % , to $ 15.27 as of december 31 , 2018 , from $ 13.61 as of december 31 , 2017 , largely as a result of an increase in our net income available to common shareholders , partially offset by the issuance of restricted stock and the purchase of treasury shares during year ended december 31 , 2018 . 2017 compared to 2016 operating performance for the year ended december 31 , 2017 , our net income was $ 38.0 million compared to $ 28.6 million in 2016 , an increase of $ 9.3 million , or 32.6 % . this increase was primarily due to the net impact of ( 1 ) a $ 16.5 million , or 22.1 % , increase in our net interest income due largely to our continued loan growth ; ( 2 ) a decrease in provision for loan losses of $ 1.5 million ; ( 3 ) an increase of $ 458,000 in non-interest income largely related to higher swap revenue ; ( 4 ) an increase of $ 12.7 million in our non-interest expense largely due to a full year of expenses related to the tkg acquisition as well as higher compensation and fdic insurance expenses ; and ( 5 ) a $ 3.6 million decrease in income taxes largely due to the enactment of the tax cuts and jobs act in december 2017. our diluted eps was $ 1.32 for the year ended december 31 , 2017 , compared to $ 1.01 in 2016 . the increase is a result of an increase of $ 9.3 million , or 32.6 % , in our net income in 2017 which included a $ 2.4 million , or $ 0.08 per diluted share , one-time tax adjustment as a result of the enactment of the tax cuts and jobs act in december 2017. for the year ended december 31 , 2017 , total revenue increased $ 16.8 million , or 13.8 % , to $ 138.0 million from $ 121.2 million in 2016 , driven by higher net interest income and swap fees . our net interest margin was 2.25 % for the year ended december 31 , 2017 , as compared to 2.23 % in 2016 . the increase in net interest margin for the year ended december 31 , 2017 , was driven by an increase in the yield on loans , partially offset by an increase in the cost of funds . our non-interest income is largely comprised of investment management fees for chartwell , which totaled $ 37.1 million for the year ended december 31 , 2017 as compared to $ 37.0 million in 2016. the increase included a full year of assets under management related to the tkg acquisition , partially offset by the loss of a sub-advisory relationship . story_separator_special_tag the largest portion of non-interest expense for each segment is compensation and employee benefits , which include employee payroll expense as well as the cost of incentive compensation , benefit plans , health insurance and payroll taxes , all of which are impacted by the growth in our employee base , coupled with increases in the level of compensation and benefits of our existing employees . the information provided under the caption “ parent and other ” represents general operating activity of the company not considered to be a reportable segment , which includes parent company activity as well as eliminations and adjustments that are necessary for purposes of reconciliation to the consolidated amounts . 56 the following table presents the components of our non-interest expense by operating segment for the years ended december 31 , 2018 and 2017 : replace_table_token_21_th ( 1 ) other operating expenses largely include items such as organizational dues and subscriptions , investment research fees , sub-advisory fees , telephone , marketing , employee-related expenses and other general operating expenses . ( 2 ) full-time equivalent employees shown are as of the end of the period presented . non-interest expense for the years ended december 31 , 2018 and 2017 . our non-interest expense for the year ended december 31 , 2018 , increased $ 9.7 million , or 10.6 % , as compared to 2017 , of which $ 8.1 million relates to the increase in expenses of the bank segment and $ 1.3 million relates to the increase in expenses of the investment management segment . notable changes in each segment 's expenses are as follows : bank segment : compensation and employee benefits of the bank segment for the year ended december 31 , 2018 , increased by $ 4.8 million compared to 2017 , primarily due to an increase in the number of full-time equivalent employees , increases in the overall annual wage and benefits costs of our existing employees , and increases in incentive and stock -based compensation expenses . premises and occupancy costs for the year ended december 31 , 2018 , increased by $ 594,000 compared to 2017 , primarily due to continued improvements to our infrastructure . professional fees for the year ended december 31 , 2018 , increased by $ 443,000 compared to 2017 , due to general growth in the business . fdic insurance expense for the year ended december 31 , 2018 , increased by $ 305,000 compared to 2017 , due to the increase in the bank 's assets . travel and entertainment expense for the year ended december 31 , 2018 , increased by $ 652,000 compared to 2017 , primarily due to a higher level of officer and relationship manager business development activity consistent with our continued growth . data processing expense for the year ended december 31 , 2018 , increased by $ 983,000 compared to 2017 . in 2017 , we received certain one-time credits related to certain technology applications . other operating expenses for the year ended december 31 , 2018 , increased by $ 329,000 compared to 2017 , primarily due to higher costs of $ 337,000 related to information services associated with our private banking loans and higher provision for unfunded commitments of $ 184,000 , partially offset by lower marketing expenses of $ 298,000 . 57 investment management segment : chartwell 's compensation and employee benefits costs for the year ended december 31 , 2018 , increased by $ 644,000 compared to 2017 , primarily driven by normal increases in compensation expenses . professional fees for the year ended december 31 , 2018 , increased by $ 269,000 compared to 2017 , which included costs related to the columbia acquisition and general growth in the business . there was a decrease in the fair value of the columbia acquisition earn out of $ 218,000 for the year ended december 31 , 2018 , based on management 's final determination of the annualized run-rate revenue of columbia at december 31 , 2018 . for additional information , refer to n ote 2 , business combination , to our consolidated financial statements . other operating expenses for the year ended december 31 , 2018 , increased by $ 498,000 compared to 2017 , primarily due to higher investment research fees . the following table presents the components of our non-interest expense by operating segment for the years ended december 31 , 2017 and 2016 : replace_table_token_22_th ( 1 ) other operating expenses largely include items such as organizational dues and subscriptions , investment research fees , sub-advisory fees , telephone , marketing , employee-related expenses and other general operating expenses . ( 2 ) full-time equivalent employees shown are as of the end of the period presented . non-interest expense for the years ended december 31 , 2017 and 2016 . our non-interest expense for the year ended december 31 , 2017 , increased $ 12.7 million , or 16.1 % , as compared to 2016 , of which $ 6.4 million relates to the increase in expenses of the bank segment and $ 6.3 million relates to the increase in expenses of the investment management segment . notable changes in each segment 's expenses are described below . bank segment : compensation and employee benefits of the bank segment for the year ended december 31 , 2017 , increased by $ 4.2 million compared to 2016 , primarily due to an increase in the number of full-time equivalent employees , increases in the overall annual wage and benefits costs of our existing employees , and increases in incentive and stock -based compensation expenses . fdic insurance expense for the year ended december 31 , 2017 , increased by $ 1.2 million compared to 2016 , due to a change in the fdic assessment methodology effective in the third quarter of 2016 , and the increase in the bank 's assets . other operating expenses for the

