Earnings per Share - Reconciliation (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Earnings Per Share [Abstract]
Numerator for basic and diluted EPS — net income	$ 42,312	$ 31,334	$ 10,978
Denominator for basic EPS — weighted average number of shares (in shares)	19,138,808	18,939,210	24,024,674
Add — dilutive effect of:
Restricted stock units	5,367,000	4,139,000	247,000
Denominator for diluted EPS — weighted average number of shares and dilutive potential shares (in shares)	24,505,712	23,078,451	24,272,479
Earnings per share:
Basic (in usd per share)	$ 2.21	$ 1.65	$ 0.46
Diluted (in usd per share)	$ 1.73	$ 1.36	$ 0.45