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 (Deficit)	Accumulated Earnings (Deficit) Adoption of ASU 2020-06	Accumulated Other Comprehensive Income (Loss)
Beginning balance (in shares) at Dec. 31, 2019			59,329,431
Beginning balance at Dec. 31, 2019	$ 460,342		$ 593	$ 475,720		$ 45,895		$ (61,866)
Stock-based compensation plans
Grant of restricted stock	0		$ 2	(2)
Grant of restricted stock (in shares)			201,400
Issuance of common shares, net of withholdings (in shares)			31,005
Issuance of common shares, net of withholdings	(2,730)		$ 1	(2,731)
Forfeited restricted stock (in shares)			(1,800)
Reclassification of warrant liability	375,083			375,083
Amortization of stock awards and restricted stock	7,477			7,477
Total comprehensive income (loss)	15,325					32,115		(16,790)
Ending balance (in shares) at Dec. 31, 2020			59,560,036
Ending 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	(2,861)			(2,861)
Issuance of common shares, net of withholdings (in shares)			35,163
Forfeited restricted stock (in shares)			(2,800)
Conversion of warrants (in shares)			14,428,445
Conversion of warrants	$ 131,967		$ 144	131,823
Accounting Standards Update [Extensible Enumeration]	Accounting Standards Update 2020-06 [Member]
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		74,142,183
Ending balance at Dec. 31, 2021	$ 1,322,377	$ (18,688)	$ 741	1,074,286	$ (39,559)	309,430	$ 20,871	(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)