Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Numerator:
Net (loss) income attributable to common stockholders	$ (34,559)	$ 8,945
Dividends declared on unvested share-based compensation	0	(35)
Net (loss) income available to common stockholders	$ (34,559)	$ 8,910
Denominator:
Weighted-average number of common shares outstanding—basic (in shares)	201,207,835	202,817,124
Effect of dilutive securities:
Weighted-average number of common shares outstanding—diluted (in shares)	201,207,835	203,537,829
Earnings (loss) per share:
Net (loss) income per share available to common stockholders - basic (in dollars per share)	$ (0.17)	$ 0.04
Net (loss) income per share available to common stockholders - diluted (in dollars per share)	$ (0.17)	$ 0.04
Unvested restricted common stock
Effect of dilutive securities:
Unvested restricted common stock and shares related to unvested PSUs (in shares)	0	49,761
Shares related to unvested PSUs
Effect of dilutive securities:
Unvested restricted common stock and shares related to unvested PSUs (in shares)	0	670,944
Unvested restricted common stock
Earnings (loss) per share:
Anti-dilutive shares (in shares)	168,270
Shares related to unvested PSUs
Earnings (loss) per share:
Anti-dilutive shares (in shares)	375,602