Net Income per Common Share - Income Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022
Earnings Per Share [Abstract]
Net income	$ 18,026	$ 3,202	$ 94,453	$ 53,073	$ 21,228	$ 147,527
Weighted Average Shares - Basic (in shares)	12,734,230		12,988,200		12,892,793	12,981,202
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities	3,242,286		3,254,971		3,242,286	3,254,971
Dilutive effect of stock options and restricted stock units (in shares)	82,090		133,346		88,762	137,285
Dilutive effect of stock options, shares issuable under Convertible Bond Debt and restricted stock awards (in shares)	3,324,376		3,388,317		3,331,048	3,392,256
Weighted Average Shares - Diluted (in shares)	16,058,606		16,376,517		16,223,841	16,373,458
Basic net income (in usd per share)	$ 1.42		$ 7.27		$ 1.65	$ 11.36
Diluted net income (in usd per share)	$ 1.21		$ 5.77		$ 1.48	$ 9.01