Real Estate and Accumulated Depreciation - Notes to Schedule III (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Real Estate
Balance at beginning of period	$ 7,370,401	$ 7,158,069	$ 4,121,286
Additions during the period:
TIER merger	0	0	2,222,989
Acquisitions	723,694	286,252	542,502
Improvements and other capitalized costs	280,823	323,919	271,720
Total Additions	1,004,517	610,171	3,037,211
Deductions during the period:
Cost of real estate sold	(552,201)	(383,010)	(428)
Write Off of Fully Depreciated Assets	(108,335)	0	0
Total Deductions	(660,536)	(383,010)	(428)
Total	7,714,382	7,385,230	7,158,069
Cumulative impairment charges on real estate assets owned at end of period	0	(14,829)	0
Balance at end of period	7,714,382	7,370,401	7,158,069
Accumulated Depreciation
Balance at beginning of period	811,196	621,617	421,495
Additions during the period:
Depreciation expense	246,240	234,057	200,122
Total Additions	246,240	234,057	200,122
Deductions during the period:
Cost of real estate sold	(74,113)	(44,478)	0
Write Off of Fully Depreciated Assets	(108,335)	0	0
Total Deductions	(182,448)	(44,478)	0
Balance at end of period before impairment charges	874,988	$ 811,196	$ 621,617
Aggregate cost for federal income tax, net of depreciation	$ 5,400,000
Buildings and Improvements | Minimum
Deductions during the period:
Useful life	30 years
Buildings and Improvements | Maximum
Deductions during the period:
Useful life	42 years