Merger with VEREIT, Inc. and Orion Office REIT Inc. Divestiture - Orion Divestiture Narrative (Details) $ / shares in Units, $ in Thousands		12 Months Ended
	Nov. 12, 2021 USD ($) real_estate_asset $ / shares shares	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Divestiture [Line Items]
Fair market value of shares related to tax distribution upon divestiture of Orion shares (in dollars per share) | $ / shares	$ 20.6272
Merger and integration-related costs		$ 167,413	$ 0	$ 0
Reduction to additional paid in capital		1,142,121
Orion
Divestiture [Line Items]
Shares of newly formed subsidiary to be received for 10 shares of Company stock | shares	1
Orion | Divestiture
Divestiture [Line Items]
Number of office real estate assets contributed | real_estate_asset	92
Number of office real estate assets contributed through consolidated real estate venture | real_estate_asset	1
Number of office real estate assets contributed through unconsolidated real estate venture | real_estate_asset	5
Merger and integration-related costs		6,000
Dividends received	$ 425,000
Reimbursements received for early redemption of mortgage loans underlying contributed assets	170,200
Derecognition of net assets	1,740,000
Proceeds from divestiture	595,200
Common stock and paid in capital
Divestiture [Line Items]
Reduction to additional paid in capital	$ 1,140,000	$ 1,140,769