Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities:
Net (loss) income	$ (59,719)	$ 61,257
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	52,290	52,554
Amortization of right of use assets	10,888	24,053
Amortization and write-off of debt issuance costs	3,507	894
Provision for doubtful accounts	7,776	4,077
Loss (gain) on sale of assets or stations	8,761	(55,403)
Impairment of assets held for sale	0	6,165
Impairment of intangible assets	4,509	15,563
Impairment of capitalized software development costs	4,139	0
Deferred income taxes	(28,816)	8,654
Stock-based compensation expense	3,337	5,301
Gain on early extinguishment of debt	0	(381)
Non-cash interest expense on financing liabilities	1,624	776
Non-cash imputed rental income	(1,117)	0
Other	0	9
Changes in assets and liabilities (excluding acquisitions and dispositions):
Accounts receivable	33,898	3,433
Trade receivable	525	53
Prepaid expenses and other current assets	3,102	(176)
Operating leases	18,459	4,592
Assets held for sale	(4)	29
Other assets	4,428	(5,345)
Accounts payable and accrued expenses	(28,145)	(32,843)
Trade payable	(786)	(177)
Other liabilities	3,410	495
Net cash provided by operating activities	33,210	104,270
Cash flows from investing activities:
Proceeds from sale of assets or stations	78,700	147,058
Proceeds from insurance reimbursement	527	0
Capital expenditures	(14,868)	(29,469)
Net cash provided by investing activities	64,359	117,589
Cash flows from financing activities:
Borrowings under term loan due 2026	0	525,000
Borrowings under the 2020 revolving credit facility	60,000	0
Proceeds from issuance of 6.75% senior notes	0	500,000
Financing costs	(493)	(12,883)
Shares returned in lieu of tax payments	(1,243)	(1,171)
Transaction costs for financing liability	(3,152)	0
Proceeds from financing liability	205,442	0
Repayments of financing liabilities	(1,590)	(1,191)
Repayments of finance lease obligations	(338)	(414)
Net cash provided by (used in) financing activities	157,185	(234,890)
Increase (decrease) in cash and cash equivalents	254,754	(13,031)
Cash, cash equivalents and restricted cash at beginning of period	17,007	30,038
Cash, cash equivalents and restricted cash at end of period	271,761	17,007
Term Loan Due 2022
Cash flows from financing activities:
Repayments of borrowings	0	(1,242,918)
Term Loan Due 2026
Cash flows from financing activities:
Repayments of borrowings	(54,277)	(1,313)
Repayment of borrowings under 6.75% senior notes	$ (47,164)	$ 0