CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities:
Net income	$ 6,148	$ 1,137
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	25,160	22,688
Amortization of debt discount and premium	324	417
Equity-based compensation expense (net of amounts capitalized)	6,581	6,056
Gains - lease transactions	(615)	(373)
Gains - equipment transactions and other, net		525
Unrealized foreign currency exchange gain on 2024 Euro Notes		(8,014)
Deferred income taxes	890	(58)
Changes in operating assets and liabilities:
Accounts receivable	(860)	76
Prepaid expenses and other current assets	(2,919)	(2,953)
Change in valuation - interest rate swap agreement	(1,847)	21,271
Accounts payable, accrued liabilities and other long-term liabilities	2,923	10,046
Deposits and other assets	36	(1,407)
Net cash provided by operating activities	35,821	49,411
Cash flows from investing activities:
Purchases of property and equipment	(23,204)	(18,121)
Net cash used in investing activities	(23,204)	(18,121)
Cash flows from financing activities:
Dividends paid	(45,311)	(41,298)
Proceeds from exercises of stock options	145	204
Principal payments on installment payment agreement		(571)
Principal payments of finance lease obligations	(9,450)	(5,863)
Net cash used in financing activities	(54,616)	(47,528)
Effect of exchange rates changes on cash	510	(615)
Net decrease in cash, cash equivalents and restricted cash	(41,489)	(16,853)
Cash, cash equivalents and restricted cash, beginning of period	275,912	328,624
Cash, cash equivalents and restricted cash, end of period	234,423	311,771
Supplemental disclosure of non-cash financing activities:
Fair value of equipment acquired in leases	171
Finance lease obligations incurred	$ 25,871	$ 6,982