Condensed Consolidated Statements of Stockholders' Deficiency - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance (in shares)	154,840,902
Beginning Balance	$ (807,877)	$ (841,553)
Net income	34,741	32,542
Total other comprehensive income	209	257
Distributions and dividends on common stock	(31,764)	(31,767)
Restricted stock grants	0	0
Withholding of shares as payment of payroll tax liabilities in connection with restricted stock vesting	(2,659)	(1,038)
Withholding of shares as payment of payroll tax liabilities in connection with exercise of stock options	(12,633)
Exercise of stock options	12,105
Stock-based compensation	$ 2,106	2,147
Other		(1,240)
Ending Balance (in shares)	155,976,547
Ending Balance	$ (805,772)	$ (840,652)
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance (in shares)	154,840,902	153,959,427
Beginning Balance	$ 15,484	$ 15,396
Restricted stock grant (in shares)	1,290,000	1,070,000
Restricted stock grants	$ 129	$ 107
Withholding of shares as payment of payroll tax liabilities in connection with restricted stock vesting (in shares)	(197,421)	(91,250)
Withholding of shares as payment of payroll tax liabilities in connection with restricted stock vesting	$ (20)	$ (9)
Withholding of shares as payment of payroll tax liabilities in connection with exercise of stock options (in shares)	(1,012,249)
Withholding of shares as payment of payroll tax liabilities in connection with exercise of stock options	$ (101)
Exercise of stock options (in shares)	1,055,315
Exercise of stock options	$ 106
Ending Balance (in shares)	155,976,547	154,938,177
Ending Balance	$ 15,598	$ 15,494
Additional Paid-In
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	5,092	11,172
Restricted stock grants	(129)	(107)
Withholding of shares as payment of payroll tax liabilities in connection with restricted stock vesting	(2,639)	(1,029)
Withholding of shares as payment of payroll tax liabilities in connection with exercise of stock options	(12,532)
Exercise of stock options	11,999
Stock-based compensation	2,106	2,147
Ending Balance	3,897	12,183
Accumulated Deficit
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	(812,380)	(852,398)
Net income	34,741	32,542
Distributions and dividends on common stock	(31,764)	(31,767)
Other		(1,240)
Ending Balance	(809,403)	(852,863)
Accumulated Other Comprehensive Loss
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	(16,073)	(15,723)
Total other comprehensive income	209	257
Ending Balance	$ (15,864)	$ (15,466)