CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash Flows from Operating Activities:
Net income	$ 92,957	$ 106,320
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation	65,550	55,755
Amortization of intangible assets	26,646	23,879
Share-based compensation expense	8,103	10,722
Change in debt discounts and deferred debt issuance costs	4,802	18,960
Deferred income taxes	124	22,137
(Gain) loss on sale of property and equipment	2,004	(2,609)
Changes in other components of working capital	(363,074)	(107,786)
Other long-term liabilities	11,225	3,899
Other, net	(955)	(309)
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES	(152,618)	130,968
Cash Flows from Investing Activities:
Acquisition of property and equipment	(27,162)	(43,396)
Proceeds from sale of property and equipment	5,236	13,320
Investments in securities	(25,541)	(22,692)
Proceeds from maturities and sales of investments in securities	16,443	19,901
NET CASH USED IN INVESTING ACTIVITIES	(31,024)	(32,867)
Cash Flows from Financing Activities:
Proceeds from debt	448,270	1,183,012
Repayment of debt	(510,146)	(1,004,259)
Cash payments related to share-based compensation	(1,627)	(1,697)
Distributions paid to noncontrolling interests	(17,250)	(37,217)
Contributions from noncontrolling interests	7,000	0
Debt issuance, extinguishment and modification costs	0	(10,701)
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES	(73,753)	129,138
Net increase (decrease) in cash, cash equivalents and restricted cash	(257,395)	227,239
Cash, cash equivalents and restricted cash at beginning of period	451,852	202,101
Cash, cash equivalents and restricted cash at end of period	$ 194,457	$ 429,340