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v3.20.4

Debt - Unsecured Term Loans (Details) | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2020 USD ($) swap | Dec. 01, 2020 | Dec. 31, 2019 USD ($) | Dec. 02, 2019 | Dec. 21, 2018 USD ($)
Debt Instrument [Line Items] |  |  |  |  |
Number of interest rate swaps | swap | 4 |  |  |  |
Number of interest rate swaps to be terminated | swap | 2 |  |  |  |
$250.0 million 5 year - swapped to variable rate 1.3548% | 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 | 1.3548% |  |  |  |
$250.0 million 5 year - swapped to variable rate 2.8911% | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Unsecured term loans |  |  | $ 50,000,000 |  |
Stated interest rate |  |  | 2.8911% |  |
$150.0 million 5.5 year - swapped to fixed rate 2.6915% | 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 |  | $ 50,000,000 |  |
Number of interest rate swaps | swap | 2 |  |  |  |
Stated interest rate | 2.6915% |  | 2.6915% |  |
$150.0 million 5.5 year - swapped to fixed rate 2.6990% | 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 |  | $ 50,000,000 |  |
Stated interest rate | 2.699% |  | 2.669% |  |
$150.0 million 5.5 year - swapped to variable rate 1.3548% | 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 | 1.3548% |  |  |  |
$150.0 million 5.5 year - swapped to variable rate 2.8911% | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Unsecured term loans |  |  | $ 50,000,000 |  |
Stated interest rate |  |  | 2.8911% |  |
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 | (1,619,000) |  | (2,471,000) |  |
Total mortgages payable, net | 398,381,000 |  | 397,529,000 |  |
Interest Rate Swap One | $250.0 million 5 year - swapped to fixed rate 2.6795% | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, face amount | $ 250,000,000.0 |  |  |  |
Debt instrument, term | 5 years |  |  |  |
Unsecured term loans | $ 100,000,000 |  | $ 100,000,000 |  |
Stated interest rate | 2.6795% |  | 2.6795% |  |
Interest Rate Swap One | $250.0 million 5 year - swapped to variable rate 1.3548% | Unsecured Debt | London Interbank Offered Rate (LIBOR) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Variable rate (percent) |  | 1.20% |  |  |
Interest Rate Swap One | $250.0 million 5 year - swapped to variable rate 2.8911% | Unsecured Debt | London Interbank Offered Rate (LIBOR) |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Variable rate (percent) |  |  |  | 1.20% |
Interest Rate Swap Two | $250.0 million 5 year - swapped to fixed rate 2.6795% | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, face amount | $ 250,000,000.0 |  |  |  |
Debt instrument, term | 5 years |  |  |  |
Unsecured term loans | $ 100,000,000 |  | $ 100,000,000 |  |
Notional amount | $ 100,000,000 |  |  |  |
Stated interest rate | 2.6795% |  | 2.6795% |  |
Interest Rate Swap Three | $250.0 million 5 year - swapped to fixed rate 2.6795% | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Notional amount | $ 50,000,000 |  |  |  |
Stated interest rate | 2.69% |  |  |  |
Interest Rate Swap Four [Member] | $250.0 million 5 year - swapped to fixed rate 2.6795% | Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Notional amount | $ 50,000,000 |  |  |  |
Stated interest rate | 2.70% |  |  |  |

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