Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Earnings Per Share [Abstract]
Net income (loss)	$ 46,150	$ 14,948	$ (107,166)	$ 38,098
Interest on Convertible Debt, Net of Tax	0	0	0	0
Net Income (Loss) Available to Common Stockholders, Diluted	$ 46,150	$ 14,948	$ (107,166)	$ 38,098
Basic-weighted average shares outstanding (in shares)	30,473,000	29,179,000	29,892,000	29,097,000
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements (in shares)	585,000	1,252,000	0	1,283,000
Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants (in shares)	0	468,000	0	427,000
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities (in shares)	45,000	1,244,000	0	1,213,000
Effect of dilutive potential securities (in shares)	630,000	2,964,000	0	2,923,000
Diluted- weighted average shares outstanding (in shares)	31,103,000	32,143,000	29,892,000	32,020,000
Basic (in dollars per share)	$ 1.51	$ 0.51	$ (3.59)	$ 1.31
Diluted (in dollars per share)	$ 1.48	$ 0.47	$ (3.59)	$ 1.19
Antidilutive securities excluded from computation of earnings per share (in shares)	2,000,000	700,000	0	500,000