The following tables present revenues, net operating income, capital expenditures and total assets for the three years ended December 31, 2019 from these segments, and reconciles net operating income of reportable segments to net income attributable to the controlling interests as reported (in thousands): Year Ended December 31, 2019 Office Multifamily Corporate and Other (1) Consolidated Real estate rental revenue $ 164,059 $ 126,131 $ 18,990 $ 309,180 Real estate expenses 60,923 49,135 5,522 115,580 Net operating income $ 103,136 $ 76,996 $ 13,468 $ 193,600 Depreciation and amortization (136,253 ) General and administrative (24,370 ) Lease origination expenses (1,698 ) Interest expense (53,734 ) Real estate impairment (8,374 ) Gain on sale of real estate 59,961 Discontinued operations: Income from properties sold or held for sale 16,158 Gain on sale of real estate 339,024 Loss on extinguishment of debt (764 ) Net income 383,550 Less: Net loss attributable to noncontrolling interests  Net income attributable to the controlling interests $ 383,550 Capital expenditures $ 38,634 $ 25,779 $ 4,534 $ 68,947 Total assets $ 1,134,147 $ 1,340,634 $ 153,547 $ 2,628,328 Year Ended December 31, 2018 Office Multifamily Corporate and Other (1) Consolidated Real estate rental revenue $ 178,474 $ 95,194 $ 18,062 $ 291,730 Real estate expenses 63,321 37,235 5,036 105,592 Net operating income $ 115,153 $ 57,959 $ 13,026 $ 186,138 Depreciation and amortization (111,826 ) General and administrative (22,089 ) Real estate impairment (1,886 ) Interest expense (50,501 ) Gain on sale of real estate 2,495 Loss on extinguishment of debt (1,178 ) Discontinued operations: Income from properties sold or held for sale 24,477 Net income 25,630 Less: Net loss attributable to noncontrolling interests  Net income attributable to the controlling interests $ 25,630 Capital expenditures $ 42,019 $ 25,117 $ 4,897 $ 72,033 Total assets $ 1,248,673 $ 792,170 $ 376,261 $ 2,417,104 Year Ended December 31, 2017 Office Multifamily Corporate and Other (1) Consolidated Real estate rental revenue $ 167,438 $ 95,250 $ 17,593 $ 280,281 Real estate expenses 62,824 37,640 4,936 105,400 Net operating income $ 104,614 $ 57,610 $ 12,657 $ 174,881 Depreciation and amortization (101,430 ) General and administrative (22,580 ) Casualty gain (33,152 ) Interest expense (46,793 ) Other income 507 Gain on sale of real estate 24,915 Income tax benefit 84 Discontinued operations: Income from properties sold or held for sale 23,180 Net income 19,612 Less: Net loss attributable to noncontrolling interests 56 Net income attributable to the controlling interests $ 19,668 Capital expenditures $ 30,407 $ 27,980 $ 5,994 $ 64,381 Total assets $ 1,203,187 $ 767,279 $ 388,960 $ 2,359,426 ______________________________ (1) Includes the retail properties not classified as discontinued operations: Takoma Park, Westminster, Concord Centre, Chevy Chase Metro Plaza, 800 S. Washington Street, Randolph Shopping Center, Montrose Shopping Center and Spring Valley Village, and total assets and capital expenditures include all retail properties, including those classified as discontinued operations.