Equity - Schedule of Computation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Numerator for basic and diluted earnings (loss) per share attributable to common stockholders:
Net (loss) income attributable to common stockholders	$ (4,247)	$ 25,222
Denominator:
Denominator for basic earnings per share—weighted average number of shares (in shares)	15,886,493	14,242,076
Effect of diluted securities (in shares)	0	200,000
Denominator for diluted earnings per share—adjusted weighted average number of shares and assumed conversions (in shares)	15,886,493	14,442,076
Basic (loss) earnings per share (in dollars per share)	$ (0.27)	$ 1.77
Diluted (loss) earnings per share (in dollars per share)	$ (0.27)	$ 1.75