SCHEDULE III-Consolidated Real Estate and Accumulated Depreciation Rollforward (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Real estate assets
Balance, beginning of period		$ 2,630,191	$ 2,614,138	$ 2,301,006
Property acquisitions		476,421	0	270,602
Improvements		101,285	62,790	44,755
Cost of Real Estate Sold		(8,845)	0	0
Other	[1]	(10,355)	(46,737)	(2,225)
Balance, end of period		3,188,697	2,630,191	2,614,138
Accumulated depreciation
Balance, beginning of period		590,338	537,431	469,460
Additions-depreciation		85,428	99,644	70,196
Cost of Real Estate Sold		(189)	0	0
Other	[1]	(10,355)	(46,737)	(2,225)
Balance, end of period		$ 665,222	$ 590,338	$ 537,431

[1] Other deductions for the years ended December 31, 2019, 2018 and 2017 represent the write-off of fully depreciated assets.