CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Adoption of ASU 2020-06	Common Stock	Additional Paid-in Capital	Additional Paid-in Capital Adoption of ASU 2020-06	Accumulated Earnings	Accumulated Earnings Adoption of ASU 2020-06	Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2020			59,560,036
Beginning balance at Dec. 31, 2020	$ 855,497		$ 596	$ 855,547		$ 78,010		$ (78,656)
Stock-based compensation plans
Grant of restricted stock	0		$ 1	(1)
Grant of restricted stock (in shares)			121,339
Issuance of common shares, net of withholdings (in shares)			35,163
Issuance of common shares, net of withholdings	(2,861)		$ 0	(2,861)
Forfeited restricted stock (in shares)			(2,800)
Conversion of warrants	131,967		$ 144	131,823
Conversion of warrants (in shares)			14,428,445
Reclassification of warrant liability	82,392			82,392
Amortization of stock awards and restricted stock	7,386			7,386
Total comprehensive income (loss)	247,996					231,420		16,576
Ending balance (in shares) at Dec. 31, 2021			74,142,183
Ending balance at Dec. 31, 2021	1,322,377		$ 741	1,074,286		309,430		(62,080)
Stock-based compensation plans
Grant of restricted stock	0		$ 1	(1)
Grant of restricted stock (in shares)			118,310
Issuance of common shares, net of withholdings	(2,916)		$ 1	(2,917)
Issuance of common shares, net of withholdings (in shares)			66,263
Forfeited restricted stock (in shares)			(5,700)
Purchase of common stock (in shares)			(1,993,298)
Purchase of common stock	(53,868)		$ (20)	(53,848)
Amortization of stock awards and restricted stock	8,342			8,342
Total comprehensive income (loss)	$ 157,259					198,581		(41,322)
Ending balance (in shares) at Dec. 31, 2022	72,327,758		72,327,758
Ending balance at Dec. 31, 2022	$ 1,412,506		$ 723	986,303		528,882		(103,402)
Stock-based compensation plans
Grant of restricted stock	0		$ 3	(3)
Grant of restricted stock (in shares)			265,361
Issuance of common shares, net of withholdings	(2,987)		$ 0	(2,987)
Issuance of common shares, net of withholdings (in shares)			49,619
Forfeited restricted stock (in shares)			(16,000)
Purchase of common stock (in shares)			(7,385,777)
Purchase of common stock	(156,903)		$ (74)	(156,829)
Reclassification of warrant liability	1,270			1,270
Amortization of stock awards and restricted stock	8,516			8,516
Total comprehensive income (loss)	$ 106,300					60,327		45,973
Ending balance (in shares) at Dec. 31, 2023	65,240,961		65,240,961
Ending balance at Dec. 31, 2023	$ 1,368,702	$ (18,688)	$ 652	$ 836,270	$ (39,559)	$ 589,209	$ 20,871	$ (57,429)