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Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Cash flows from operating activities:
Net income	$ 11,668	$ 3,215
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	8,305	8,285
Amortization of debt issuance costs and non-cash interest	660	1,022
Gain on disposal of property and equipment	(68)	(393)
Loss on debt extinguishment	337	0
Deferred taxes	4,142	913
Stock-based compensation expense	1,835	2,234
Change in interest rate swap	(22)	171
Changes in operating assets and liabilities (Note 15)	11,863	(4,676)
Net cash provided by operating activities	38,720	10,771
Cash flows from investing activities:
Capital expenditures	(11,209)	(7,354)
Proceeds from sale of property and equipment	208	512
Net cash used in investing activities	(11,001)	(6,842)
Cash flows from financing activities:
Cash received from credit facility	0	30,000
Repayments of debt	(30,543)	(5,082)
Distributions to noncontrolling interest owners	(1,959)	0
Other	0	(675)
Net cash (used in) provided by financing activities	(32,502)	24,243
Net change in cash and cash equivalents	(4,783)	28,172
Cash and cash equivalents at beginning of period	66,185	45,733
Cash and cash equivalents at end of period	61,402	73,905
Non-cash items:
Capital expenditures	$ 3,131	$ 0

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