SEGMENT DATA: We measure segment performance based on operating income (loss). Our broadcast segment, includes stations in 89 markets located throughout the continental United States. Other primarily consists of owned networks and content, digital and internet solutions, technical services and other non-media investments. All of our businesses included in Other are located within the United States. Corporate costs primarily include our costs to operate as a public company and to operate our corporate headquarters location. Other and Corporate are not reportable segments but are included for reconciliation purposes. We had approximately $155.8 million and $159.8 million of intercompany loans between broadcast, other and corporate as of December 31, 2018 and 2017 , respectively. We had $15.3 million , $18.5 million , and $24.4 million in intercompany interest expense related to intercompany loans between broadcast, other, and corporate for the years ended December 31, 2018 , 2017 and 2016 , respectively. All other intercompany transactions are immaterial. Financial information for our reportable segment is included in the following tables for the years ended December 31, 2018 , 2017 , and 2016 (in thousands): For the year ended December 31, 2018 Broadcast Other Corporate Consolidated Revenue $ 2,714,663 $ 340,418 $  $ 3,055,081 Depreciation of property and equipment 97,703 7,461 76 105,240 Amortization of definite-lived intangible assets and other assets 153,720 21,128  174,848 Amortization of program contract costs and net realizable value adjustments 100,899   100,899 General and administrative overhead expenses 100,241 913 9,916 111,070 (Gain) loss on asset dispositions and other, net of impairment (99,977 ) (d) 60,032 (c) (118 ) (40,063 ) Operating income (loss) 751,341 (d) (81,805 ) (c) (9,875 ) 659,661 Interest expense 5,734 803 285,439 291,976 Loss from equity method investments  (60,831 )  (60,831 ) Goodwill 2,054,779 69,123  2,123,902 Assets 4,797,420 720,704 1,053,968 6,572,092 Capital expenditures 94,812 5,155 5,094 105,061 For the year ended December 31, 2017 Broadcast Other Corporate Consolidated Revenue (a) $ 2,393,641 $ 242,574 $  $ 2,636,215 Depreciation of property and equipment 88,751 7,368 984 97,103 Amortization of definite-lived intangible assets and other assets 155,640 23,182  178,822 Amortization of program contract costs and net realizable value adjustments 115,523   115,523 General and administrative overhead expenses 101,680 1,009 10,564 113,253 (Gain) loss on asset dispositions and other, net of impairment (225,770 ) (53,102 ) (b)  (278,872 ) Operating income (loss) 724,110 24,943 (b) (11,547 ) 737,506 Interest expense 5,285 1,835 205,195 212,315 Loss from equity method investments  (14,307 )  (14,307 ) Goodwill 2,053,410 70,623  2,124,033 Assets 5,267,986 769,919 746,565 6,784,470 Capital expenditures 63,163 5,546 15,103 83,812 For the year ended December 31, 2016 Broadcast Other Corporate Consolidated Revenue (a) $ 2,416,985 $ 205,525 $  $ 2,622,510 Depreciation of property and equipment 91,573 5,772 1,184 98,529 Amortization of definite-lived intangible assets and other assets 155,479 28,316  183,795 Amortization of program contract costs and net realizable value adjustments 127,880   127,880 General and administrative overhead expenses 67,035 2,459 4,062 73,556 (Gain) loss on asset dispositions and other, net of impairment (4,647 ) (1,427 ) 45 (6,029 ) Operating income (loss) 639,422 (31,258 ) (5,311 ) 602,853 Interest expense 5,641 6,371 199,131 211,143 Income from equity method investments  906  906 (a) Revenue has been adjusted for the adoption of ASC 606. See Note 1. Nature of Operations and Summary of Significant Accounting Policies (b) Includes a gain on the sale of Alarm of $53.0 million , of which $12.3 million was attributable to noncontrolling interests. (c) Includes a $59.6 million impairment to the carrying value of a consolidated real estate venture. See Note 1. Nature of Operations and Summary of Significant Accounting Policies . (d) Includes a gain of $83.3 million related to the auction proceeds. See Note 2. Acquisitions and Dispositions of Assets .