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v3.22.0.1

Debt - Unsecured Term Loans (Details) | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2021 USD ($) interest_rate_swap | Dec. 31, 2020 USD ($) interest_rate_swap | Dec. 01, 2021 | Sep. 22, 2021 USD ($) | Dec. 01, 2020
Debt Instrument [Line Items] |  |  |  |  |
Number of interest rate swaps | interest_rate_swap | 4 | 4 |  |  |
5 year - swapped to fixed rate | Interest Rate Swap One | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, face amount | $ 200,000,000.0 | $ 250,000,000.0 |  |  |
Debt instrument, term | 5 years | 5 years |  |  |
Unsecured term loans | $ 100,000,000 | $ 100,000,000 |  |  |
Stated interest rate (percent) | 2.6795% | 2.6795% |  |  |
5 year - swapped to fixed rate | Interest Rate Swap Two | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, face amount | $ 200,000,000.0 | $ 250,000,000.0 |  |  |
Debt instrument, term | 5 years | 5 years |  |  |
Unsecured term loans | $ 100,000,000 | $ 100,000,000 |  |  |
Stated interest rate (percent) | 2.6795% | 2.6795% |  |  |
5.5 year - swapped to fixed rate | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, face amount | $ 200,000,000.0 |  |  |  |
Debt instrument, term | 5 years 6 months |  |  |  |
Unsecured term loans | $ 50,000,000 |  |  |  |
Stated interest rate (percent) | 2.6915% |  |  |  |
5.5 year - swapped to fixed rate | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, face amount | $ 200,000,000.0 |  |  |  |
Debt instrument, term | 5 years 6 months |  |  |  |
Unsecured term loans | $ 50,000,000 |  |  |  |
Stated interest rate (percent) | 2.699% |  |  |  |
5.5 year - variable rate | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, face amount | $ 200,000,000.0 |  |  |  |
Debt instrument, term | 5 years 6 months |  |  |  |
Unsecured term loans | $ 100,000,000 |  |  |  |
Stated interest rate (percent) | 1.2993% |  |  |  |
5.5 year - variable rate | Interest Rate Swap One | Unsecured Debt | London Interbank Offered Rate (LIBOR) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Variable rate (percent) |  |  | 1.20% |  |
5 year - variable rate | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, face amount |  | $ 250,000,000.0 |  |  |
Debt instrument, term |  | 5 years |  |  |
Unsecured term loans |  | $ 50,000,000 |  |  |
Stated interest rate (percent) |  | 1.3548% |  |  |
5 year - variable rate | Interest Rate Swap One | Unsecured Debt | London Interbank Offered Rate (LIBOR) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Variable rate (percent) |  |  |  |  | 1.20%
5.5 year - swapped to fixed rate | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, face amount |  | $ 150,000,000.0 |  |  |
Debt instrument, term |  | 5 years 6 months |  |  |
Unsecured term loans |  | $ 50,000,000 |  |  |
Stated interest rate (percent) |  | 2.6915% |  |  |
5.5 year - swapped to fixed rate | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, face amount |  | $ 150,000,000.0 |  |  |
Debt instrument, term |  | 5 years 6 months |  |  |
Unsecured term loans |  | $ 50,000,000 |  |  |
Stated interest rate (percent) |  | 2.699% |  |  |
5.5 year - variable rate | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, face amount |  | $ 150,000,000.0 |  |  |
Debt instrument, term |  | 5 years 6 months |  |  |
Unsecured term loans |  | $ 50,000,000 |  |  |
Stated interest rate (percent) |  | 1.3548% |  |  |
Term Loan | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, face amount |  |  |  | $ 400,000,000 |
Unsecured term loans | $ 400,000,000 | $ 400,000,000 |  |  |
Issuance costs, net of accumulated amortization | (3,492,000) | (1,619,000) |  |  |
Total mortgages payable, net | $ 396,508,000 | $ 398,381,000 |  |  |

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