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Derivative Instruments and Hedging Activities (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2021 USD ($) derivative | Jun. 30, 2020 USD ($) | Jun. 30, 2021 USD ($) derivative | Jun. 30, 2020 USD ($) | Apr. 14, 2021 USD ($) | Dec. 31, 2020 USD ($)
Derivative Instruments and Hedging Activities Disclosure [Abstract] |  |  |  |  |  |
Number of interest rate swap agreements | derivative | 4 |  | 4 |  |  |
Interest rate cap/swap agreements | $ 2,739 | $ 1,745 | $ 5,433 | $ (4,650) |  |
Swaps |  |  |  |  |  |
Derivative Instruments and Hedging Activities Disclosure [Abstract] |  |  |  |  |  |
Number of interest rate swap agreements | derivative | 4 |  | 4 |  |  |
Swaps | Santa Monica Place |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |
Outstanding balance to fixed rate | $ 300,000 |  | $ 300,000 |  | $ 300,000 |
Level 2 measurement | Cap |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |
Notional Amount | $ 300,000 |  | $ 300,000 |  |  |
LIBOR Rate | 4.00% |  | 4.00% |  |  |
Fair Value | $ 0 |  | $ 0 |  |  | $ 0
Level 2 measurement | Swaps |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |
Notional Amount | $ 400,000 |  | $ 400,000 |  |  |
LIBOR Rate | 2.85% |  | 2.85% |  |  |
Fair Value | $ (2,775) |  | $ (2,775) |  |  | $ (8,208)

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