Indebtedness - Summary of Indebtedness at Estimated Fair Value (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Mortgage Loans Payable, Net	$ 81,700	$ 148,770
Senior Unsecured Notes, Net	1,070,067	1,096,262
Unsecured Term Loans	460,486	458,207
Unsecured Credit Facility	79,000	0
Total	1,691,253	1,703,239
Carrying Amount (A)
Debt Instrument [Line Items]
Mortgage Loans Payable, Net	79,764	144,214
Senior Unsecured Notes, Net	998,512	998,506
Unsecured Term Loans	460,000	460,000
Unsecured Credit Facility	79,000	0
Total	$ 1,617,276	$ 1,602,720

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Fair value portion of notes payable.

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