Consolidated Statement of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit
Balance at Dec. 31, 2021	$ 1,372,468	$ 1,203	$ 1,869,955	$ (498,690)
Balance (in shares) at Dec. 31, 2021		120,285
Net income	19,003			19,003
Retirement of common stock	(5,144)	$ (5)	(5,139)
Retirement of common stock (in shares)		(518)
Dividends on RSUs	(77)			(77)
Restricted stock compensation, net of forfeitures	5,267		5,267
Restricted stock grants		$ 18	(18)
Restricted stock grants (in shares)		1,819
Balance at Mar. 31, 2022	1,391,517	$ 1,216	1,870,065	(479,764)
Balance (in shares) at Mar. 31, 2022		121,586
Balance at Dec. 31, 2022	1,432,408	$ 1,150	1,807,689	(376,431)
Balance (in shares) at Dec. 31, 2022		114,988
Net income	12,400			12,400
Retirement of common stock	(29,954)	$ (30)	(29,924)
Retirement of common stock (in shares)		(2,980)
Dividends on RSUs	(6)			(6)
Restricted stock compensation, net of forfeitures	4,884		4,884
Restricted stock grants		$ 17	(17)
Restricted stock grants (in shares)		1,677
Balance at Mar. 31, 2023	$ 1,419,732	$ 1,137	$ 1,782,632	$ (364,037)
Balance (in shares) at Mar. 31, 2023		113,685