Earnings Per Share - Reconciliation of Numerator and Denominator (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Numerator
Net income attributable to common stockholders	$ 17,552	$ 12,394	$ 79,635	$ 18,201
Denominator
Weighted average common shares outstanding — basic	148,663	125,251	148,116	120,015
Shares issuable under forward sales agreements	0	0	0	0
Weighted average common shares outstanding — diluted	149,027	125,560	148,341	120,306
Net income per share — basic and diluted
Net income per share attributable to common stockholders — basic	$ 0.12	$ 0.10	$ 0.54	$ 0.15
Net income per share attributable to common stockholders — diluted	$ 0.12	$ 0.10	$ 0.54	$ 0.15
Restricted stock
Net income per share — basic and diluted
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	190	220	186	217
Stock Compensation Plan
Denominator
Share-based compensation	364	309	225	291