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, 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 $172.7 million and $226.5 million of intercompany loans between the broadcast segment, other, and corporate as of September 30, 2017 and 2016, respectively. We had $4.3 million and $6.1 million in intercompany interest expense related to intercompany loans between the broadcast segment, other, and corporate for the three months ended September 30, 2017 and 2016, respectively. We had $14.2 million and $18.3 million in intercompany interest expense for the the nine months ended September 30, 2017 and 2016, respectively. All other intercompany transactions are immaterial.

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



For the three months ended September 30, 2017	Broadcast		Other			Corporate			Consolidated
Revenue	$	610,840	$	60,051		$	—		$	670,891
Depreciation of property and equipment	22,344		1,851			247			24,442
Amortization of definite-lived intangible assets and other assets	38,186		5,182			—			43,368
Amortization of program contract costs and net realizable value adjustments	28,047		—			—			28,047
General and administrative overhead expenses	23,582		224			2,025			25,831
Research and development	—		2,551			—			2,551
Operating income (loss)	115,571		(9,852		)	(2,272		)	103,447
Interest expense	1,281		204			50,258			51,743
Loss from equity and cost method investments	—		(4,362		)	—			(4,362		)
Assets	5,274,895		762,751			649,423			6,687,069



For the three months ended September 30, 2016	Broadcast		Other			Corporate			Consolidated
Revenue	$	635,559	$	58,276		$	—		$	693,835
Depreciation of property and equipment	24,195		1,425			266			25,886
Amortization of definite-lived intangible assets and other assets	38,717		9,090			—			47,807
Amortization of program contract costs and net realizable value adjustments	32,441		—			—			32,441
General and administrative overhead expenses	17,530		247			1,275			19,052
Research and development	—		745			—			745
Operating income (loss)	158,666		(3,077		)	(1,595		)	153,994
Interest expense	1,404		1,664			50,420			53,488
Income from equity and cost method investments	—		611			812			1,423



Nine months ended September 30, 2017	Broadcast		Other				Corporate			Consolidated
Revenue	$	1,821,248	$	178,867			$	—		$	2,000,115
Depreciation of property and equipment	65,850		5,438				738			72,026
Amortization of definite-lived intangible assets and other assets	114,810		17,489				—			132,299
Amortization of program contract costs and net realizable value adjustments	87,962		—				—			87,962
General and administrative overhead expenses	65,059		785				5,614			71,458
Research and development	—		5,053				—			5,053
Operating income (loss)	361,259		25,016			(a)	(6,351		)	379,924
Interest expense	3,976		1,633				154,411			160,020
Loss from equity and cost method investments	—		(4,221		)		—			(4,221		)

(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 Disposition of Assets.



Nine months ended September 30, 2016	Broadcast		Other			Corporate			Consolidated
Revenue	$	1,790,561	$	148,697		$	—		$	1,939,258
Depreciation of property and equipment	69,469		4,063			798			74,330
Amortization of definite-lived intangible assets and other assets	117,038		20,159			—			137,197
Amortization of program contract costs and net realizable value adjustments	96,722		—			—			96,722
General and administrative overhead expenses	50,320		1,075			3,277			54,672
Research and development	—		3,055			—			3,055
Operating income (loss)	402,236		(28,699		)	(4,130		)	369,407
Interest expense	4,297		4,695			147,827			156,819
Income from equity and cost method investments	—		414			2,375			2,789