Net Income per Common Share - Income Per Share, Basic and Diluted (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2023	Sep. 30, 2022
Earnings Per Share [Abstract]
Net (loss)/income	$ (5,151)	$ 18,026	$ 3,202	$ 77,217	$ 94,453	$ 53,073	$ 16,077	$ 224,743
Weighted Average Shares - Basic (in shares)	9,313,051			12,993,450			11,686,433	12,985,329
Effect of dilutive securities, convertible bond debt (in shares)	0			3,092,230			3,284,392	3,092,230
Effect of dilutive securities, stock awards and options (in shares)	0			116,172			86,827	141,705
Dilutive potential common shares (in shares)	0			3,208,402			3,371,219	3,233,935
Weighted Average Shares - Diluted (in shares)	9,313,051			16,201,852			15,057,652	16,219,264
Basic net (loss)/income (in usd per share)	$ (0.55)			$ 5.94			$ 1.38	$ 17.31
Diluted net (loss)/ income (in usd per share)	$ (0.55)			$ 4.77			$ 1.36	$ 13.86