Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Earnings Per Share [Abstract]
Net income	$ 10,827	$ 1,514	$ 7,869	$ 21,080
Basic earnings per share:
Income available to common stockholders	$ 10,827	1,514	$ 7,869	21,080
Weighted average shares outstanding - basic (in shares)	111,391,704		111,372,033
Basic earning per share (in usd per share)	$ 0.10		$ 0.07
Diluted earnings per share:
Income available to common stockholders	$ 10,827	$ 1,514	$ 7,869	$ 21,080
Weighted average shares outstanding - diluted (in shares)	111,391,704		111,372,033
Diluted earnings per share (in usd per share)	$ 0.10		$ 0.07