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
(Loss) income from continuing operations, net of tax	$ (40,376)	$ (11,962)	$ (286,161)
(Loss) income from discontinued operations, net of tax	(125,063)	6,984	104,615
Adjustments to reconcile loss from continuing operations to net cash provided by operating activities:
Provision for bad debts	4,123	1,546	484
Depreciation and amortization	4,923	2,738	2,236
Stock-based compensation	1,871	2,911	5,911
Loss on debt extinguishment		148
Amortization of deferred financing costs	6,381	4,481	3,862
Impairment charges	33,109	17,899	340,628
Loss on equity securities	123
Loss (income) from equity method investment	78	(61)	(22)
Loss on interest rate swaps	1,029
Loss on disposal of property and equipment	70	131
Realized loss on equity securities			1,916
Amortization of operating leases	6,261
Loss on sale of assets		7,117
Deferred income taxes	(52,651)	(1,260)	(132,669)
Changes in operating assets and liabilities:
Accounts receivable	6,025	1,884	(12,800)
Prepaid expenses and other assets	1,534	(5,041)	(3,541)
Accounts payable and accrued expenses	3,092	2,135	(1,256)
Deferred revenue	(4,815)	(6,967)	(2,676)
Other liabilities	(7,691)	7,836	983
Cash (used in) provided by operating activities from continuing operations	(36,914)	23,535	(83,105)
Cash provided by operating activities from discontinued operations	40,321	9,365	111,315
Cash provided by operating activities	3,407	32,900	28,210
Cash flows from investing activities
Investments in intangible assets, including registration and renewal costs	(136)	(239)	(298)
Purchases of property and equipment	(64)	(4,209)	(3,019)
Proceeds from sale of trademarks		4,356	500
Proceeds from sale of equity securities	458		5,757
Proceeds from sale of discontinued operations	165,928
Cash provided by (used in) investing activities from continuing operations	166,186	(92)	2,940
Cash used in investing activities from discontinued operations	(44)	(80)	(77)
Cash provided by (used in) investing activities	166,142	(172)	2,863
Cash flows from financing activities
Proceeds from long-term debt	9,000	107,607	10,000
Stock registration costs			(20)
Payment of long-term debt	(175,661)	(117,456)	(28,300)
Guaranteed payments in connection with acquisitions		(475)	(1,375)
Deferred financing costs	(4,507)	(14,590)
Repurchases of common stock	(272)	(2,427)	(1,161)
Noncontrolling interest distributions	(5,366)	(6,682)	(7,438)
Cash used in financing activities from continuing operations	(176,806)	(34,023)	(28,294)
Cash used in financing activities from discontinued operations	(574)	(3,000)	(3,000)
Cash used in financing activities	(177,380)	(37,023)	(31,294)
Net decrease in cash and restricted cash	(7,831)	(4,295)	(221)
Balance — Beginning of year	16,138	20,433	20,654
Balance — End of year	8,307	16,138	20,433
Reconciliation to amounts on consolidated balance sheets
Total cash and restricted cash	8,307	16,138	20,433
Supplemental disclosures of cash flow information
Cash paid for: Interest	52,747	58,681	55,755
Cash paid for: Taxes	1,102	90	163
Non-cash investing and financing activities
Accrued purchases of property and equipment at year end		18	152
Unrealized gain on equity securities during the year		1,554
Unrealized (loss) gain on interest rate cap, net during the year		$ (80)	$ 224
Unrealized loss on interest rate swaps, net during the year	$ (2,542)