Net Income (Loss) per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Basic:
Net income (loss)	$ 24,246	$ (67,513)	$ 45,882	$ (135,613)
Average common shares outstanding (in shares)	30,481	30,368	30,466	30,340
Basic net income (loss) per common share (in dollars per share)	$ 0.80	$ (2.22)	$ 1.51	$ (4.47)
Diluted:
Net income (loss)	$ 24,246	$ (67,513)	$ 45,882	$ (135,613)
Average common shares outstanding (in shares)	30,481	30,368	30,466	30,340
Adjustment for common share equivalents (in shares)	153	0	59	0
Average common shares outstanding-diluted (in shares)	30,634	30,368	30,525	30,340
Diluted net income (loss) per common share (in dollars per share)	$ 0.79	$ (2.22)	$ 1.50	$ (4.47)
Anti-dilutive shares (in shares)	40	136	32	136