Earnings Per Common Share - Schedule of Weighted Average Basic and Diluted Common Shares (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020
Numerator [Abstract]
Net income	$ 9,565	$ 24,653	$ 23,101	$ 20,190	$ 34,218	$ 43,291
Denominator [Abstract]
Weighted average number of common shares outstanding - basic (in shares)	75,005		74,695		75,004	74,676
Effect of dilutive securities (in shares)	207		66		214	88
Weighted average number of common shares outstanding - diluted (in shares)	75,212		74,761		75,218	74,764
Basic earnings per common share (in dollars per share)	$ 0.13		$ 0.31		$ 0.46	$ 0.58
Diluted earnings per common share (in dollars per share)	$ 0.13		$ 0.31		$ 0.45	$ 0.58