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 original networks and content, non-broadcast digital and internet solutions, technical services, and other non-media investments. All of our businesses 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 $144.0 million and $165.8 million of intercompany loans between the broadcast segment, other, and corporate as of March 31, 2018 and 2017, respectively. We had $3.8 million and $6.0 million in intercompany interest expense related to intercompany loans between the broadcast segment, other, and corporate for the three months ended March 31, 2018 and 2017, respectively.

Segment financial information is included in the following tables for the periods presented (in thousands):



For the three months ended March 31, 2018	Broadcast				Other				Corporate			Consolidated
Revenue	$	595,892			$	69,460			$	—		$	665,352
Depreciation of property and equipment	25,399				1,906				20			27,325
Amortization of definite-lived intangible assets and other assets	38,471				5,134				—			43,605
Amortization of program contract costs and net realizable value adjustments	26,950				—				—			26,950
General and administrative overhead expenses	21,744				255				2,597			24,596
(Gain) on asset dispositions, net of impairment	(84,100		)	(d)	62,991			(c)	—			(21,109		)
Operating income (loss)	176,166			(d)	(66,235		)	(c)	(2,617		)	107,314
Interest expense	1,372				202				68,168			69,742
Loss from equity and cost method investments	—				(12,477		)		—			(12,477		)
Assets	5,096,281				685,140				881,990			6,663,411



For the three months ended March 31, 2017	Broadcast			Other				Corporate			Consolidated
Revenue (b)	$	569,869		$	57,067			$	—		$	626,936
Depreciation of property and equipment	21,946			1,769				266			23,981
Amortization of definite-lived intangible assets and other assets	38,326			7,228				—			45,554
Amortization of program contract costs and net realizable value adjustments	31,019			—				—			31,019
General and administrative overhead expenses	18,992			288				1,296			20,576
(Gain) on asset dispositions, net of impairment	(357		)	(52,990		)	(a)	—			(53,347		)
Operating income (loss)	114,544			44,649			(a)	(1,564		)	157,629
Interest expense	1,366			1,213				54,739			57,318
Loss from equity and cost method investments	—			(1,321		)		—			(1,321		)


(a)	Includes gain on the sale of Alarm of $53.0 million of which $12.3 million was attributable to noncontrolling interests. See Note 2. Acquisitions and Dispositions of Assets.


(b)	Revenue has been adjusted for the adoption of ASC 606. See Note 1. Nature of Operations and Summary of Significant Accounting Policies.


(c)	Includes a $63.0 million impairment to the carrying value of a consolidated real estate venture as discussed in Note 2. Acquisitions and Dispositions of Assets.


(d)	Includes a gain of $83.3 million related to the auction proceeds as discussed in Note 2. Acquisitions and Dispositions of Assets.