Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Numerator:
Net income	$ 71,982	$ 80,867	$ 46,359
Less: Net income allocated to participating securities	(507)	(298)	(296)
Numerator for basic earnings available to common stockholders	71,475	80,569	46,063
Numerator for diluted earnings available to common stockholders	$ 71,475	$ 80,569	$ 46,063
Denominator:
Weighted-average basic common shares outstanding (shares)	96,017,000	95,200,000	93,088,000
Dilutive performance stock awards (shares)	75,000	7,000	10,000
Weighted-average diluted common shares outstanding (shares)	96,092,000	95,207,000	93,098,000
Earnings per common share, basic (usd per share)	$ 0.74	$ 0.85	$ 0.49
Earnings per common share, diluted (usd per share)	$ 0.74	$ 0.85	$ 0.49
Antidilutive unvested restricted stock awards and performance awards excluded from the computation	591,000	296,000	292,000