Earnings per Common Share (Details) - Schedule of earnings per common share - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Earnings per common share:
Net income	$ 19,281	$ 17,527	$ 30,916	$ 21,778
Earnings allocated to participating securities	(58)	(37)	(140)	(54)
Income attributable to common stock	$ 19,223	$ 17,490	$ 30,776	$ 21,724
Weighted average common shares outstanding, including participating securities	35,365	32,134	35,322	32,106
Weighted average participating securities	(49)	(20)	(26)	(38)
Weighted average common shares outstanding	35,316	32,114	35,296	32,068
Incremental shares from assumed conversions of options, performance units and non-participating restricted shares	79	207	74	208
Weighted average common and equivalent shares outstanding	35,395	32,321	35,370	32,276
Earnings per common share:
Basic	$ 0.54	$ 0.54	$ 0.87	$ 0.68
Diluted	$ 0.54	$ 0.54	$ 0.87	$ 0.67