Earnings per Share - Schedule of Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Numerator
Net Income	$ 7,257	$ 9,841	$ 11,156	$ 12,792
Denominator
Weighted-average shares outstanding (in shares)	41,799,041	21,423,739	31,691,267	21,385,220
Effect of dilutive securities (in shares)	228,972	207,338	223,292	199,067
Weighted-average diluted shares (in shares)	42,028,013	21,631,077	31,914,559	21,584,287
Basic earnings per share (in usd per share)	$ 0.17	$ 0.46	$ 0.35	$ 0.60
Diluted earnings per share (in usd per share)	$ 0.17	$ 0.45	$ 0.35	$ 0.59