Unaudited Condensed Consolidated Statement of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock ($.001 Par Value)	Paid-In Capital in Excess of Par	Retained Earnings
Beginning balance (in shares) at Dec. 31, 2021		50,193,656
Beginning balance at Dec. 31, 2021	$ 1,135,390	$ 50	$ 1,129,996	$ 5,344
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issued pursuant to stock compensation plans (in shares)		141,581
Stock-based compensation	3,142		3,142
Tax withholding for stock compensation plans	(58)		(58)
Issued pursuant to exercise of warrants (in shares)		14,153
Issued pursuant to exercise of warrants	47		47
Net income (loss)	(872)			(872)
Ending balance (in shares) at Mar. 31, 2022		50,349,390
Ending balance at Mar. 31, 2022	$ 1,137,649	$ 50	1,133,127	4,472
Beginning balance (in shares) at Dec. 31, 2022	49,814,874	49,814,874
Beginning balance at Dec. 31, 2022	$ 1,532,617	$ 50	1,047,063	485,504
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issued pursuant to stock compensation plans (in shares)		268,748
Stock-based compensation	5,320		5,320
Tax withholding and retirement related to stock compensation plans (in shares)		(16,281)
Tax withholding and retirement related to stock compensation plans	(2,683)		(2,683)
Issued pursuant to exercise of warrants (in shares)		209,185
Issued pursuant to exercise of warrants	130		130
Net income (loss)	$ 89,199			89,199
Ending balance (in shares) at Mar. 31, 2023	50,276,526	50,276,526
Ending balance at Mar. 31, 2023	$ 1,624,583	$ 50	$ 1,049,830	$ 574,703