Earnings (Loss) per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Basic:
Net income (loss)	$ (46,459)	$ 39,254	$ (49,982)	$ 141,150
Less income allocated to participating securities	0	(573)	0	(2,028)
Net income (loss) attributable to common stock	$ (46,459)	$ 38,681	$ (49,982)	$ 139,122
Net income per share, basic (in dollars per share)	$ (2.58)	$ 2.18	$ (2.78)	$ 8.18
Weighted-average shares outstanding (in shares)	18,014	17,766	17,985	17,005
Diluted:
Net income (loss)	$ (46,459)	$ 39,254	$ (49,982)	$ 141,150
Less income allocated to participating securities	0	(573)	0	(2,027)
Net income (loss) attributable to common stock	$ (46,459)	$ 38,681	$ (49,982)	$ 139,123
Earnings (loss) per share, diluted (in dollars per share)	$ (2.58)	$ 2.18	$ (2.78)	$ 8.18
Weighted-average shares outstanding ( in shares)	18,014	17,766	17,985	17,005
Dilutive effect of stock options and restricted stock (in shares)	0	103	0	121
Adjusted weighted-average shares outstanding under treasury stock method (in shares)	18,014	17,869	17,985	17,126
Participating securities excluded under two-class method (in shares)	0	(102)	0	(111)
Adjusted weighted-average shares outstanding under two-class method (in shares)	18,014	17,767	17,985	17,015

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent, and if applicable, reduced by earnings allocated (not distributed) to participating securities under the two-class method to the extent that participating securities may share in earnings as if all of the earnings for the period had been distributed.

No definition available.