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Leases - Additional Information (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Sep. 24, 2021 | Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021 | Sep. 30, 2021 | Dec. 31, 2020
Operating Leased Assets [Line Items] |  |  |  |  |  |
Variable lease revenues |  | $ 14,700 | $ 14,800 |  |  |
Payments to Tenant | $ 5,400 |  |  |  |  |
Payment received from tenant |  | 2,400 |  |  |  |
Credit loss recoveries recognized |  | 600 |  |  |  |
Former Tenant owed |  |  |  |  | $ 206,755 | $ 199,925
Leasing transactions |  | 0 |  |  |  |
Operating lease right-of-use asset |  | 39,885 |  | $ 40,743 |  |
Lease liability - operating lease |  | 37,936 |  | 38,759 |  |
Gain on disposition of properties |  | $ 28,815 | $ 4,612 |  |  |
Fund IV Property |  |  |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |  |  |
Operating lease right-of-use asset |  |  |  | 31,400 |  |
Termination cost |  |  |  | 3,600 |  |
Lease liability - operating lease |  |  |  | 46,000 |  |
Building improvements and other assets |  |  |  | 10,300 |  |
Gain (loss) on termination of lease |  |  |  | 700 |  |
Gain on disposition of properties |  |  |  | 200 |  |
Rye Corporate Office Lease |  |  |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |  |  |
Operating lease right-of-use asset |  |  |  | 400 |  |
Operating lease liability |  |  |  | $ 400 |  |
Minimum |  |  |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |  |  |
Operating lease term |  | 1 month |  |  |  |
Minimum | Consolidated Total Revenues | Customer Concentration Risk |  |  |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |  |  |
Concentration risk, percentage |  | 10.00% | 10.00% |  |  |
Maximum |  |  |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |  |  |
Operating lease term |  | 60 years |  |  |  |

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