Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Basic and Diluted Earnings per Share [Line Items]
Net income (loss)	$ 13,750	$ 5,960	$ 32,452	$ (66,574)
Weighted-average common shares outstanding, basic (in shares)	25,109,048	25,024,855	25,097,545	25,019,441
Weighted-average common shares outstanding, diluted (in shares)	25,416,868	25,255,604	25,394,728	25,019,441
Earnings (loss) per common share, basic (in dollars per share)	$ 0.55	$ 0.24	$ 1.29	$ (2.66)
Earnings (loss) per common share, diluted (in dollars per share)	$ 0.54	$ 0.24	$ 1.28	$ (2.66)
Awards excluded from diluted earnings per share calculation (in shares)	515,984	815,279	515,984	515,984
Restricted Stock Unit Awards
Basic and Diluted Earnings per Share [Line Items]
Add dilutive effect of share-based awards outstanding (in shares)	219,700	213,203	219,700	0
Stock Options
Basic and Diluted Earnings per Share [Line Items]
Add dilutive effect of share-based awards outstanding (in shares)	88,120	17,546	77,483	0