Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
BASIC
Net income attributable to common shareholders	$ 17,254	$ 21,721	$ 33,790	$ 48,130
Weighted-average number of common shares outstanding - basic	264,785,583	232,635,137	258,911,872	232,587,083
Net income (loss) attributable to common shares outstanding - basic (in dollars per share)	$ 0.07	$ 0.09	$ 0.13	$ 0.21
DILUTED
Impact of assumed conversions	$ 77	$ 165	$ 184	$ 166
Net income attributable to common shareholders	$ 17,331	$ 21,886	$ 33,974	$ 48,296
Effect of dilutive securities:
Unvested share-based payment awards (in shares)	1,210,241	129,810	1,185,016	91,637
OP Units (in shares)	3,092,807	3,534,931	3,120,464	3,542,610
Weighted-average common shares outstanding - diluted (in shares)	269,088,631	236,299,878	263,217,352	236,221,330
Net income (loss) attributable to common shareholders - per common share diluted (in dollars per share)	$ 0.06	$ 0.09	$ 0.13	$ 0.20