Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019
Cash flows from operating activities
Net (loss) income		$ (57,058)	$ (7,425)
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization		45,890	45,192
Accretion of contract rights under development agreements and placement fees	[1]	3,733	2,803
Amortization of deferred loan costs and discount		1,429	941
Stock-based compensation expense		2,993	3,350
(Benefit) provision for bad debts		(199)	153
Loss on disposition of long-lived assets		74	445
Impairment of assets		6	5,207
Fair value adjustment of contingent consideration		794	400
Benefit for deferred income tax		(123)	(607)
Changes in assets and liabilities that relate to operations:
Accounts receivable		26,174	(3,461)
Inventories		101	419
Prepaid expenses		(1,992)	(1,698)
Deposits and other		1,030	(418)
Other assets, non-current		915	6,605
Accounts payable and accrued liabilities		(15,900)	(14,231)
Net cash provided by operating activities		7,867	37,675
Cash flows from investing activities
Customer notes receivable		(2,579)	0
Business acquisitions, net of cash acquired		0	(50,779)
Purchase of intangible assets		(925)	(3,950)
Software development and other expenditures		(5,530)	(6,299)
Proceeds from disposition of assets		28	109
Purchases of property and equipment		(8,057)	(23,819)
Net cash used in investing activities		(17,063)	(84,738)
Cash flows from financing activities
Repayment of first lien credit facilities		(2,694)	(2,694)
Payment of financed placement fee obligations		(3,444)	(1,767)
Proceeds from incremental term loans		92,150	0
Borrowing on revolver		30,000	0
Payment of deferred loan costs		(5,744)	0
Payments of previous acquisition obligation		(284)	(1,022)
Payments on finance leases and other obligations		(669)	(695)
Repurchase of stock		(360)	0
Proceeds from stock option exercise		158	585
Distributions to non-controlling interest owners		0	(157)
Net cash provided by (used in) financing activities		109,113	(5,750)
Effect of exchange rates on cash and cash equivalents		(10)	3
Net increase (decrease) in cash and cash equivalents		99,907	(52,810)
Cash, cash equivalents and restricted cash, beginning of period		13,182	70,804
Cash, cash equivalents and restricted cash, end of period		113,089	17,994
Non-cash investing and financing activities:
Intangible assets obtained under financed placement fee arrangements		0	35,003
Leased assets obtained in exchange for new finance lease liabilities		338	620
Leased assets obtained in exchange for new operating lease liabilities		$ 0	$ 12,668

[1] Non-cash item related to the accretion of contract rights under development agreements and placement fees.