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Earnings Per Share - Reconciliation (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Basic earnings per share:
Weighted-average common shares outstanding	28,707,737	29,559,026	28,925,612	29,708,239
Net income	$ 8,412	$ 10,265	$ 29,111	$ 19,778
Basic earnings per share	$ 0.30	$ 0.35	$ 1.01	$ 0.67
Diluted earnings per share:
Weighted-average common shares outstanding	28,707,737	29,559,026	28,925,612	29,708,239
Diluted average common shares outstanding	29,230,280	30,102,301	29,458,806	30,261,721
Net earnings available to common stockholders	$ 8,412	$ 10,265	$ 29,111	$ 19,778
Diluted earnings per share	$ 0.29	$ 0.34	$ 0.99	$ 0.65
Restricted Stock and Restricted Stock Units [Member]
Diluted earnings per share:
Dilutive effect of share-based payment awards (in shares)	522,543	543,275	533,194	553,482

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