Net Income (Loss) per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Basic:
Net income (loss)	$ (138,052)	$ (47,035)	$ 100,534
Average common shares outstanding (in shares)	30,347	30,157	30,346
Basic net income (loss) per common share (in dollars per share)	$ (4.55)	$ (1.56)	$ 3.31
Diluted:
Net income (loss)	$ (138,052)	$ (47,035)	$ 100,534
Average common shares outstanding (in shares)	30,347	30,157	30,346
Adjustment for common share equivalents (in shares)	0	0	47
Average common shares outstanding-diluted (in shares)	30,347	30,157	30,393
Diluted net income (loss) per common share (in dollars per share)	$ (4.55)	$ (1.56)	$ 3.31
Anti-dilutive shares (in shares)	282	75	3