CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net income	$ 12,301	$ 16,358
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	45,762	44,065
Amortization of debt costs, discounts and premiums	829	894
Equity-based compensation expense (net of amounts capitalized)	11,963	14,181
Loss on debt extinguishment and redemption - 2024 Euro Notes	11,885	14,698
Loss on debt extinguishment and redemption - 2022 Notes	11,885	14,698
Gains on foreign exchange - 2024 Euro Notes	(31,561)	(13,590)
Gains - equipment transactions and other, net	1,308	242
Deferred income taxes	3,138	3,558
Changes in operating assets and liabilities:
Accounts receivable	(3,529)	90
Prepaid expenses and other current assets	(5,150)	2,696
Change in valuation - interest rate swap	28,781
Accounts payable, accrued liabilities and other long-term liabilities	37,014	3,804
Deposits and other assets	(146)	(141)
Net cash provided by operating activities	83,814	86,855
Cash flows from investing activities:
Purchases of property and equipment	(35,409)	(32,661)
Net cash used in investing activities	(35,409)	(32,661)
Cash flows from financing activities:
Dividends paid	(83,153)	(73,082)
Principal payments on installment payment agreement	(790)	(4,347)
Principal payments of finance lease obligations	(11,099)	(11,936)
Proceeds from exercises of stock options	334	875
Net cash used in financing activities	(24,052)	(50,874)
Effect of exchange rates changes on cash	(3,130)	(658)
Net increase in cash, cash equivalents and restricted cash	21,223	2,662
Cash, cash equivalents and restricted cash, beginning of period	328,624	371,301
Cash, cash equivalents and restricted cash, end of period	349,847	373,963
Supplemental disclosure of non-cash investing and financing activities:
Fair value of equipment acquired in lease	1,088
Finance lease obligations incurred	23,685	16,218
PP&E obtained for installment payment agreement	1,088
Senior notes
Cash flows from financing activities:
Redemption and extinguishment - 2022 Notes	(375,354)
2022 Notes
Cash flows from financing activities:
Repurchase and extinguishment of 2022 Notes		(459,317)
Senior secured 2026 Notes
Cash flows from financing activities:
Net proceeds from issuance of senior secured 2026 Notes - net of debt costs of $1,317		496,933
Senior unsecured 2027 Notes
Cash flows from financing activities:
Net proceeds from issuance of senior unsecured 2027 Notes - net of debt costs of $1,290	$ 446,010