Schedule III Real Estate and Accumulated Depreciation - Summary of Activity (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) property	Dec. 31, 2020 USD ($) property	Dec. 31, 2019 USD ($) property
Reconciliation of total real estate carrying value
Balance at Beginning of Period	$ 21,048,334	$ 19,637,627	$ 16,566,602
Acquisitions and development	5,851,945	2,163,707	3,644,884
Merger Additions	11,722,801	0	0
Less amounts allocated to acquired lease intangible assets and liabilities on our Consolidated Balance Sheets	(826,064)	(382,850)	(401,319)
Improvements, Etc.	56,567	6,194	17,447
Other (Leasing Costs and Building Adjustment)	64,807	22,491	2,741
Total Additions	16,870,056	1,809,542	3,263,753
Cost of Real Estate sold	1,206,837	253,506	129,737
Cost of Equipment sold	8	25	11
Orion Divestiture (2)	634,254	0	0
Releasing costs	40	259	674
Other (including Provisions for Impairment)	91,176	195,003	87,951
Total Deductions	1,932,315	448,793	218,373
Foreign Currency Translation	(33,416)	49,958	25,645
Balance at Close of Period	35,952,659	21,048,334	19,637,627
Reconciliation of accumulated depreciation
Balance at Beginning of Period	3,563,178	3,140,855	2,723,086
Additions During Period - Provision for Depreciation	628,246	531,909	481,499
Accumulated depreciation of real estate and equipment sold or disposed of	226,897	110,915	64,054
Foreign Currency Translation	(774)	1,329	324
Balance at Close of Period	$ 3,963,753	3,563,178	3,140,855
Other Disclosure Notes
Number of properties | property	11,137
Number of properties secured by mortgages | property	361
Unamortized net debt premiums on mortgages payable excluded from encumbrances	$ 28,600
Aggregate cost for federal income tax purposes	59,100,000
Building razed	43,000
Provisions for impairment	38,967	147,232	40,186
Reclassification of right of use assets under finance leases	20,100	$ 22,500	$ 36,900
Mortgage assumption	$ 43,700
Number of properties on which provisions for impairment were recorded | property	103	99	51
U.S. | Single-client properties
Other Disclosure Notes
Number of properties | property	10,885
U.S. | Corporate headquarters
Other Disclosure Notes
Number of properties | property	1
U.S. | Multi-client properties
Other Disclosure Notes
Number of properties | property	70
U.K. | Single-client properties
Other Disclosure Notes
Number of properties | property	109
U.K. | Multi-client properties
Other Disclosure Notes
Number of properties | property	21
Spain | Single-client properties
Other Disclosure Notes
Number of properties | property	42
Spain | Multi-client properties
Other Disclosure Notes
Number of properties | property	1
Crest Net Lease, Inc
Other Disclosure Notes
Aggregate cost for federal income tax purposes	$ 30,100
Crest Net Lease, Inc | U.S. | Single-client properties
Other Disclosure Notes
Number of properties | property	8