Mortgages Payable - Narrative (Details) $ in Thousands, £ in Millions	9 Months Ended
Sep. 30, 2022 USD ($) property mortgage	Sep. 30, 2021 USD ($) mortgage property	Sep. 30, 2021 GBP (£) mortgage property	Dec. 31, 2021 USD ($)
Debt
Principal payments	$ 311,083	$ 55,983
Number of mortgages assumed \| property		1	1
Mortgages payable
Debt
Principal payments	$ 311,100	$ 56,000
Number of mortgages assumed \| mortgage	8	1	1
Number of properties assumed \| property	17
Loans Assumed	$ 45,079	$ 43,779	£ 31.0
Deferred financing costs	926			$ 790
Unamortized net premiums	15,600			$ 28,700
Mortgages payable \| Mortgages repaid in full
Debt
Principal payments	$ 308,000	$ 53,300
Mortgages repaid in full \| mortgage	12	6	6

Debt Instrument, Number Repaid

No definition available.

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- Definition

Number Of Mortgages Assumed During Period

+ References

No definition available.

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- Definition

Number Of Properties Assumed During Period

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount, after accumulated amortization, of debt premium.

+ References

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

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- Definition

The fair value of loans assumed in noncash investing or financing activities.

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- Definition

The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt.

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