Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Earnings Per Share [Abstract]
Net Income (Loss) Attributable to Parent	$ (8,158)	$ (28,280)	$ (2,903)	$ 9,469	$ (11,071)	$ (11,708)	$ 14,701	$ 8,369	$ (29,872)	$ 290	$ 10,145
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ (8,051)	$ (28,215)	$ (2,797)	$ 9,578	$ (10,968)	$ (11,707)	$ 14,701	$ 8,369	$ (29,485)	$ 394	$ 10,145
Weighted-average shares-basic									42,763,423	42,650,629	37,152,768
Restricted stock award									0	188,257	222,572
Weighted-average shares-diluted									42,763,423	42,838,886	37,375,340
Earnings Per Share, Basic	$ (0.19)	$ (0.66)	$ (0.07)	$ 0.22	$ (0.26)	$ (0.27)	$ 0.34	$ 0.20	$ (0.70)	$ 0.01	$ 0.27
Earnings Per Share, Diluted	$ (0.19)	$ (0.66)	$ (0.07)	$ 0.22	$ (0.26)	$ (0.27)	$ 0.34	$ 0.20	$ (0.70)	$ 0.01	$ 0.27