Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Earnings Per Share [Abstract]
Net income	$ 14,218	$ 10,827	$ 41,168	$ 7,869
Shares:
Weighted average shares outstanding - basic (in shares)	111,371,754	111,389,951	111,486,179	111,380,218
Effect of dilutive common stock equivalents (in shares)	0	0	0	0
Weighted average shares outstanding - diluted (in shares)	111,371,754	111,389,951	111,486,179	111,380,218
Earnings per share:
Basic (in dollars per share)	$ 0.13	$ 0.10	$ 0.37	$ 0.07
Diluted (in dollars per share)	$ 0.13	$ 0.10	$ 0.37	$ 0.07
Antidilutive securities excluded from computation of earnings per share, amount (in shares)	790,000	0	310,000	0