Earnings per Share - Schedule of Calculation of Basic and Diluted Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended							9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2020	Sep. 30, 2019
Earnings Per Share [Abstract]
Net income	$ 13,071	$ 9,139	$ 2,966	$ 15,852	$ 15,342	$ 13,211	$ 12,597	$ 25,176	$ 41,150
Dividends on preferred shares	196				196			587	587
Net income available to common stockholders	$ 12,875				$ 15,146			$ 24,589	$ 40,563
Weighted-average common stock outstanding:
Weighted-average common stock outstanding (basic)	38,057,350				37,831,356			37,973,694	37,094,083
Incremental shares	191,985				655,824			278,269	724,785
Weighted-average common stock outstanding (dilutive)	38,249,335				38,487,180			38,251,963	37,818,868
Basic earnings per common share	$ 0.34				$ 0.40			$ 0.65	$ 1.09
Diluted earnings per common share	$ 0.34				$ 0.39			$ 0.64	$ 1.07