Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019
Basic
Net income	$ 25,740	$ 41,098	$ 38,718
Less: Earnings allocated to participating securities	(232)	(426)	(347)
Net income allocated to common stockholders	$ 25,508	$ 40,672	$ 38,371
Weighted average common shares outstanding (in shares)	59,007,191	58,816,352	61,987,605
Basic earnings per common share (in dollars per share)	$ 0.43	$ 0.69	$ 0.62
Diluted
Net income allocated to common stockholders	$ 25,508	$ 40,672	$ 38,371
Weighted average common shares outstanding (in shares)	59,007,191	58,816,352	61,987,605
Diluted effect of share-based compensation (in shares)	182,526	365,702	298,178
Weighted average diluted common shares (in shares)	59,189,717	59,182,054	62,285,783
Diluted earnings per common share (in dollars per share)	$ 0.43	$ 0.69	$ 0.62
Anti-Dilutive RSUs
Diluted
Weighted-average shares of anti-dilutive RSUs excluded from diluted EPS computation	0