Income (Loss) Per Share - Basic and Diluted Per Share Calculations (Details) - USD ($) $ / shares in Units, shares in Thousands, $ 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
Net income (loss)									$ (3,043)	$ 26,106	$ (3,937)
Net income attributable to noncontrolling interest									604	1,207	123
Net total and comprehensive income(loss) attributable to controlling interest	$ (9,594)	$ (1,446)	$ 2,672	$ 4,721	$ 6,996	$ 16,129	$ 615	$ 1,159	$ (3,647)	$ 24,899	$ (4,060)
Basic weighted average of outstanding shares of common stock (in shares)									48,788	29,470	6,385
Dilutive effect of equity awards (in shares)										663
Diluted weighted average of outstanding shares of common stock (in shares)									48,788	30,133	6,385
Basic earnings (loss) per share (in dollars per share)	$ (0.20)	$ (0.03)	$ 0.05	$ 0.10	$ 0.14	$ 0.33	$ 0.04	$ 0.18	$ (0.07)	$ 0.84	$ (0.64)
Diluted earnings (loss) per share (in dollars per share)	$ (0.20)	$ (0.03)	$ 0.05	$ 0.10	$ 0.14	$ 0.33	$ 0.04	$ 0.18	$ (0.07)	$ 0.83	$ (0.64)