Condensed Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities:
Net earnings (loss)	$ 1,018,640	$ 1,358,963
Adjustments to reconcile net earnings (loss) to net cash from operating activities:
Depreciation and amortization	184,856	200,035
Stock-based compensation expense	11,389	18,153
Share of (earnings) losses of affiliates, net	7,504	2,443
Realized and unrealized (gains) losses on financial instruments, net	(1,484,968)	(2,019,222)
Deferred income tax expense (benefit)	388,166	511,064
Other, net	9,275	(2,910)
Change in operating assets and liabilities:
Current and other assets	(55,800)	23,012
Payables and other liabilities	(1,361)	(33,109)
Net cash provided (used) by operating activities	77,701	58,429
Cash flows from investing activities:
Capital expended for property and equipment	(107,247)	(108,633)
Proceeds from derivative instrument		105,866
Settlement of derivative instrument		(105,866)
Other investing activities, net	25,634	6,340
Net cash provided (used) by investing activities	(81,613)	(102,293)
Cash flows from financing activities:
Borrowings from GCI Liberty	30,130	4,000
Borrowings of debt		325,000
Repayment of debt, finance leases and tower obligations	(6,596)	(334,275)
Contributions from (distributions to) member	13,588	10,825
Other financing activities, net	(3,489)	(9,499)
Net cash provided (used) by financing activities	33,633	(3,949)
Net increase (decrease) in cash, cash equivalents and restricted cash	29,721	(47,813)
Cash, cash equivalents and restricted cash at beginning of period	94,922	171,516
Cash, cash equivalents and restricted cash at end of period	$ 124,643	$ 123,703