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Earnings Per Share - Reconciliation (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2016	Jun. 30, 2020	Jun. 30, 2019
Basic earnings per share:
Weighted-average common shares outstanding	29,637,567	29,896,231		29,783,665	29,871,081
Net income	$ 9,238	$ 9,278		$ 9,513	$ 17,746
Basic earnings per share (in dollars per share)	$ 0.31	$ 0.31		$ 0.32	$ 0.59
Diluted earnings per share:
Weighted-average common shares outstanding	29,637,567	29,896,231		29,783,665	29,871,081
Diluted average common shares outstanding	30,194,007	30,389,892		30,342,306	30,366,889
Net earnings available to common stockholders	$ 9,238	$ 9,278		$ 9,513	$ 17,746
Diluted earnings per share (in dollars per share)	$ 0.31	$ 0.31		$ 0.31	$ 0.58
Warrant term			10 years
Restricted Stock and Restricted Stock Units [Member]
Diluted earnings per share:
Dilutive effect of share-based payment awards (in shares)	556,440	493,661		558,641	495,808

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