CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Cash flows from operating activities:
Net income	$ 54,935	$ 46,595	$ 66,390
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	139,543	142,111	151,063
Amortization of intangible assets	20,535	24,294	25,944
Accretion of asset retirement obligations	1,478	1,045	761
Bad debt expense	1,743	1,983	2,179
Stock based compensation expense, net of amount capitalized	3,817	4,959	3,580
Deferred income taxes	11,644	6,208	(54,055)
Gain from patronage and investments	(4,769)	(3,113)	(3,458)
Amortization of long-term debt issuance costs	3,280	3,666	4,741
Changes in assets and liabilities:
Accounts receivable	(7,664)	239	16,451
Inventory, net	(463)	439	33,339
Current income taxes	(5,024)	12,029	(19,138)
Operating lease right-of-use assets	51,578	0	0
Waived management fee	38,827	37,763	36,056
Other assets	(18,499)	(16,246)	1,439
Accounts payable	12,821	(1,377)	(36,725)
Lease liabilities	(46,746)	0	0
Deferred lease	0	4,723	327
Other deferrals and accruals	2,109	329	(5,964)
Net cash provided by operating activities	259,145	265,647	222,930
Cash flows from investing activities:
Capital expenditures	(138,792)	(136,641)	(146,489)
Cash disbursed for acquisitions	(10,000)	(52,000)	(6,000)
Cash disbursed for FCC spectrum licenses	(16,742)	0	0
Proceeds from sale of assets and other	200	841	994
Net cash used in investing activities	(165,334)	(187,800)	(151,495)
Cash flows from financing activities:
Principal payments on long-term debt	(53,197)	(51,264)	(36,375)
Dividends paid, net of dividends reinvested	(13,943)	(12,866)	(12,257)
Repurchase of common stock	(7,231)	0	0
Proceeds from revolving credit facility borrowings	0	15,000
Proceeds from credit facility borrowings			25,000
Principal payments on revolving credit facility	0	(15,000)	0
Taxes paid for equity award issuances	(2,911)	(3,245)	(5,411)
Payments for debt issuance costs	0	(3,971)	0
Proceeds from exercise of stock options and other	36	0	0
Net cash used in financing activities	(77,246)	(71,346)	(29,043)
Net increase in cash and cash equivalents	16,565	6,501	42,392
Cash and cash equivalents, beginning of period	85,086	78,585	36,193
Cash and cash equivalents, end of period	$ 101,651	$ 85,086	$ 78,585