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Debt - Summary of Consolidated Indebtedness (Details) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2024 | Apr. 03, 2024 | Dec. 31, 2023
Debt Instrument [Line Items] |  |  |  |
Long-term debt, gross | [1],[2] | $ 1,734,463 |  | $ 1,881,087
Net unamortized debt issuance costs |  | (11,012) |  | (11,186)
Unamortized premium |  | 228 |  | 240
Secured Debt, Total |  | 962,468 |  | 930,127
Unsecured notes payable, net |  | 646,524 |  | 726,727
Total Indebtedness |  | 1,723,679 |  | 1,870,141
Fund IV |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt, gross |  | 36,200 |  | 36,200
Mortgages |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Net unamortized debt issuance costs |  | (7,536) |  | (7,313)
Unamortized premium |  | 228 |  | 240
Secured Debt, Total |  | 962,468 | $ 14,100 | 930,127
Mortgages | Fund Portfolio | Fund II |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt, gross | [3] | 137,485 |  | 137,485
Mortgages | Fund Portfolio | Fund III |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt, gross |  | 33,000 |  | 33,000
Mortgages | Fund Portfolio | Fund IV |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt, gross | [4] | 115,896 |  | 115,925
Mortgages | Fund Portfolio | Fund V |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt, gross |  | 499,360 |  | 458,960
Unsecured Debt |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Net unamortized debt issuance costs |  | (3,476) |  | (3,873)
Unsecured notes payable, net |  | 646,524 |  | 726,727
Line of Credit |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Unsecured notes payable, net | [5] | 114,687 |  | 213,287
Fixed Rate | Mortgages | Core Portfolio |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt, gross |  | $ 184,035 |  | 191,830
Fixed Rate | Mortgages | Core Portfolio | Maximum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate, stated percentage |  | 5.89% |  |
Maturity Date |  | 2035-04 |  |
Fixed Rate | Mortgages | Core Portfolio | Minimum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate, stated percentage |  | 3.99% |  |
Maturity Date |  | 2025-01 |  |
Variable Rate Debt | Mortgages | SOFR | Fund II |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate | [3] | 2.61% |  |
Variable Rate Debt | Mortgages | Fund Portfolio | SOFR | Fund II |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maturity Date | [3] | 2025-08 |  |
Variable Rate Debt | Mortgages | Fund Portfolio | SOFR | Fund IV | Maximum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate | [4] | 3.33% |  |
Maturity Date | [4] | 2028-06 |  |
Variable Rate Debt | Mortgages | Fund Portfolio | SOFR | Fund IV | Minimum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate | [4] | 2.25% |  |
Maturity Date | [4] | 2025-03 |  |
Variable Rate Debt | Mortgages | Fund Portfolio | SOFR | Fund V | Maximum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  | 2.85% |  |
Maturity Date |  | 2028-06 |  |
Variable Rate Debt | Mortgages | Fund Portfolio | SOFR | Fund V | Minimum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  | 1.80% |  |
Maturity Date |  | 2024-07 |  |
Variable Rate Debt | Mortgages | Variable Rate | SOFR | Fund III |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maturity Date |  | 2025-10 |  |
Variable Rate Debt | Mortgages | Variable Rate | SOFR | Fund III | Maximum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate |  | 3.75% |  |
Variable Rate Unsecured Term Loans | Unsecured Debt | Core Portfolio |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt, gross | [5] | $ 650,000 |  | 650,000
Variable Rate Unsecured Term Loans | Unsecured Debt | Core Portfolio | Maximum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maturity Date | [5] | 2029-07 |  |
Variable Rate Unsecured Term Loans | Unsecured Debt | Core Portfolio | Minimum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Maturity Date | [5] | 2026-06 |  |
Variable Rate Unsecured Term Loans | Unsecured Debt | Core Portfolio | SOFR | Maximum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate, stated percentage | [5] | 1.95% |  |
Variable Rate Unsecured Term Loans | Unsecured Debt | Core Portfolio | SOFR | Minimum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Interest rate, stated percentage | [5] | 1.60% |  |
Variable Rate Unsecured Term Loans | Line of Credit | Core Portfolio | SOFR |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Basis spread on variable rate | [5] | 1.45% |  |
Maturity Date | [5] | 2025-06 |  |
Subscription Line | Unsecured Debt | Fund Portfolio | Fund V |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Long-term debt, gross | [6] | $ 0 |  | $ 80,600
[1] | Includes $151.3 mi llion and $151.4 million, respectively, of variable-rate debt that is subject to interest cap agreements as of the periods presented. The effective fixed rates ranged fro m 4.50% to 6.00%.
[2] | Includes $1,207.6 million and $1,249.8 million, respectively, of variable-rate debt that has been fixed with interest rate swap agreements as of the periods presented. The effective fixed rates ranged from 1.14% to 4.69%.
[3] | The Company has a total borrowing capacity of $198.0 million on th e Fund II mortgage as of both March 31, 2024 and December 31, 2023.
[4] | Includes the outstanding balance on the Fund IV secured bridge facility of $36.2 million as of both March 31, 2024 and December 31, 2023.
[5] | The Company has entered into various swap agreements to effectively fix its interest costs on a portion of its Revolver and term loans as of March 31, 2024 and December 31, 2023.
[6] | Fund V paid off the subscription line and terminated the outstanding letters of credit during the three months ended March 31, 2024.

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