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Mortgage Notes Payable, Net (Details) $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
Dec. 14, 2023 USD ($) ft² buildings | Oct. 26, 2023 USD ($) ft² buildings | Dec. 31, 2023 USD ($) Rate | Dec. 31, 2022 USD ($) Rate
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Collateral |  |  |  | each collateralized by one or more buildings and related land included in real estate assets | each collateralized by one or more buildings and related land included in real estate assets
Mortgage notes payable, net |  |  |  | $ 4,166,379 | $ 3,272,368
Number Of Variable Mortgage Loans |  |  |  | 0 | 0
Santa Monica Business Park [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Ownership Percentage | [1] |  |  |  | 55.00%
Joint Venture Partner [Member] | Santa Monica Business Park [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Ownership Percentage |  | 45.00% |  |  |
Santa Monica Business Park [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Net Rentable Area (in sf) | ft² |  | 1,200,000 |  |  |
Number of real estate properties | buildings |  | 21 |  |  |
Mortgages [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Mortgage notes payable, net |  |  |  | $ 4,166,379 | $ 3,300,000
Long-Term Debt |  |  |  | 4,200,000 |
Mortgages [Member] | 325 Main Street, 355 Main Street, 90 Broadway and Kendall Center Green Garage Properties [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt |  |  | $ 600,000 |  |
Debt |  |  | $ 600,000 |  |
Mortgages [Member] | 325 Main Street, 355 Main Street, 90 Broadway and Kendall Center Green Garage Properties [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  | 2.25% |  |
Debt Instrument, Description of Variable Rate Basis |  |  | SOFR |  |
Net Rentable Area (in sf) | ft² |  |  | 898,000 |  |
Number of real estate properties | buildings |  |  | 3 |  |
Debt - Total loan amount |  |  | $ 600,000 |  |
Mortgages [Member] | Santa Monica Business Park [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt |  | $ 300,000 |  |  |
Debt |  | $ 300,000 |  |  |
Mortgages [Member] | Santa Monica Business Park [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 1.38% |  |  |
Debt |  | $ 300,000 |  |  |
Debt Instrument, Description of Variable Rate Basis |  | SOFR |  |  |
Long-Term Debt |  | $ 295,500 |  |  |
Debt - Total loan amount |  | 300,000 |  |  |
Debt |  | $ 300,000 |  |  |
Fixed Rate Mortgage [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Mortgage notes payable, net |  |  |  | $ 4,200,000 | $ 3,300,000
Debt, Weighted Average Interest Rate | Rate |  |  |  | 3.70% | 3.24%
Fixed Rate Mortgage [Member] | Minimum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | Rate |  |  |  | 2.79% | 2.79%
Fixed Rate Mortgage [Member] | Maximum [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | Rate |  |  |  | 6.04% | 3.43%
[1] | During the year ended December 31, 2023, the Company completed the acquisition of its joint venture partner’s 45% ownership interest in Santa Monica Business Park, as described below in this Note 6 and Note 3.

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