Earnings per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Earnings Per Share [Abstract]
Net income (loss) available to common stockholders:	$ (65,619)	$ 56,308	$ 14,599	$ 146,582
Weighted average common shares outstanding:
Weighted average common shares outstanding - basic (in shares)	60,897	60,614	60,862	60,575
Effect of dilutive securities - stock compensation plans (in shares)	0	323	382	343
Weighted average common shares outstanding - diluted (in shares)	60,897	60,937	61,244	60,918
EPS:
Basic (in dollars per share)	$ (1.08)	$ 0.93	$ 0.24	$ 2.42
Diluted (in dollars per share)	$ (1.08)	$ 0.92	$ 0.24	$ 2.41
Antidilutive securities excluded from computation of earnings per share, amount	400