Information About the Company's Operating Segments (Tables)

6 Months Ended

Jun. 30, 2018

Segment Reporting [Abstract]

Reconciliation of Revenue from Segments to Consolidated

	Three Months Ended June 30,
	2018					2017
	Revenue			Adjusted OIBDA		Revenue		Adjusted OIBDA
	amounts in thousands
GCI Holdings	$	227,781		78,915		—		—
Liberty Broadband	3,371			(2,776	)	3,073		(4,955	)
Corporate and other	5,709			(4,800	)	6,177		(6,922	)
	236,861			71,339		9,250		(11,877	)
Eliminate Liberty Broadband	(3,371		)	2,776		(3,073	)	4,955
	$	233,490		74,115		6,177		(6,922	)

	Six Months Ended June 30,
	2018					2017
	Revenue			Adjusted OIBDA		Revenue		Adjusted OIBDA
	amounts in thousands
GCI Holdings	$	284,573		98,663		—		—
Liberty Broadband	15,162			1,784		6,213		(8,916	)
Corporate and other	10,121			(10,460	)	10,146		(14,794	)
	309,856			89,987		16,359		(23,710	)
Eliminate Liberty Broadband	(15,162		)	(1,784	)	(6,213	)	8,916
	$	294,694		88,203		10,146		(14,794	)

Reconciliation of Assets from Segment to Consolidated

	June 30, 2018
	Total			Investments		Capital
	assets			in affiliates		expenditures
	amounts in thousands
GCI Holdings	$	3,530,980		—		38,788
Liberty Broadband	12,002,928			11,891,637		24
Corporate and other	5,060,029			121,880		1,515
	20,593,937			12,013,517		40,327
Eliminate Liberty Broadband	(12,002,928		)	(11,891,637	)	(24	)
Consolidated	$	8,591,009		121,880		40,303

Reconciliation of Adjusted OIBDA to Operating Income and Earnings (Loss) from Continuing Operations

The following table provides a reconciliation of segment Adjusted OIBDA to operating income and earnings (loss) from continuing operations before income taxes:

	Three Months Ended June 30,					Six Months Ended June 30,
	2018			2017		2018		2017
	amounts in thousands
Consolidated segment Adjusted OIBDA	$	74,115		(6,922	)	88,203		(14,794	)
Stock‑based compensation	(7,929		)	(3,873	)	(13,165	)	(6,599	)
Depreciation and amortization	(64,388		)	(822	)	(80,409	)	(1,575	)
Operating income	1,798			(11,617	)	(5,371	)	(22,968	)
Interest expense	(32,378		)	(5	)	(40,051	)	(5	)
Share of earnings (loss) of affiliates, net	10,350			1,600		7,858		3,323
Realized and unrealized gains (losses) on financial instruments, net	(459,207		)	60,449		(559,405	)	798,001
Other, net	(2,631		)	541		(2,387	)	750
Earnings (loss) from continuing operations before income taxes	$	(482,068	)	50,968		(599,356	)	779,101