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v3.23.1

Debt Obligations, net (Narrative) (Details) | 1 Months Ended | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jan. 31, 2023 USD ($) | May 31, 2022 USD ($) | Jan. 31, 2022 USD ($) | Nov. 30, 2021 USD ($) | May 31, 2021 USD ($) | Mar. 31, 2021 USD ($) item | Mar. 31, 2023 USD ($) | Dec. 31, 2022 | Dec. 31, 2021 USD ($)
Secured Debt | Mortgages |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Weighted average interest rate |  |  |  |  |  |  | 3.99% | 3.99% |
Unsecured Debt | 2.80% Senior Notes |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Aggregate principal amount |  |  |  |  | $ 400,000,000.0 |  |  |  |
Stated interest rate |  |  |  |  | 2.80% |  | 2.80% | 2.80% |
Percent of par value at which the notes were issued |  |  |  |  | 99.127% |  |  |  |
Percentage of principal amount of debt at which debt can be redeemed |  |  |  |  | 100.00% |  |  |  |
Unsecured Debt | 2.85% Senior Notes |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Aggregate principal amount |  |  |  | $ 350,000,000.0 |  |  |  |  |
Stated interest rate |  |  |  | 2.85% |  |  | 2.85% | 2.85% |
Percent of par value at which the notes were issued |  |  |  | 99.123% |  |  |  |  |
Percentage of principal amount of debt at which debt can be redeemed |  |  |  | 100.00% |  |  |  |  |
Unsecured Debt | 3.98% Senior Notes |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Aggregate principal amount |  |  | $ 475,000,000.0 |  |  |  |  |  |
Stated interest rate |  |  | 3.98% |  |  |  | 3.98% | 3.98% |
Minimum percentage of aggregate principal amount that can be repaid at any time at the Company's discretion |  |  | 5.00% |  |  |  |  |  |
Percentage of principal amount of debt at which debt can be redeemed |  |  | 100.00% |  |  |  |  |  |
Unsecured Debt | 5.15% Senior Notes |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Aggregate principal amount |  | $ 150,000,000.0 |  |  |  |  |  |  |
Stated interest rate |  | 5.15% |  |  |  |  | 5.15% | 5.15% |
Stairstep interest rate, Years 1 through 10 |  | 2.50% |  |  |  |  |  |  |
Stairstep interest rate, Years 11 through 20 |  | 3.75% |  |  |  |  |  |  |
Stairstep interest rate, Years 21 through 30 |  | 5.15% |  |  |  |  |  |  |
Minimum percentage of aggregate principal amount that can be repaid at any time at the Company's discretion |  | 5.00% |  |  |  |  |  |  |
Percentage of principal amount of debt at which debt can be redeemed |  | 100.00% |  |  |  |  |  |  |
Unsecured Debt | 2021 Unsecured Revolver maturing in 2026 |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  | $ 1,000,000,000.0 |  |  | $ 1,350,000,000
Number of extension options available | item |  |  |  |  |  | 2 |  |  |
Debt extension term |  |  |  |  |  | 12 months |  |  |
Line of credit facility fee, percent |  |  |  |  |  | 0.125% |  |  |
Remaining borrowing capacity |  |  |  |  |  |  | $ 380,000,000.0 |  |
Unsecured Debt | Unsecured Revolver maturing in 2025 |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Maximum borrowing capacity | $ 500,000,000 |  |  |  |  |  |  |  |
Remaining borrowing capacity | $ 500,000,000.0 |  |  |  |  |  |  |  |
Unsecured Debt | LIBOR | Trust Preferred Securities |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Basis point spread on variable interest rate (percent) |  |  |  |  |  |  | 1.50% |  |
Unsecured Debt | LIBOR | 2021 Unsecured Revolver maturing in 2026 |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Basis point spread on variable interest rate (percent) |  |  |  |  |  | 1.00% |  |  |
Unsecured Debt | Adjusted SOFR |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Basis point spread on variable interest rate (percent) | 1.00% |  |  |  |  |  |  |  |
Unsecured Debt | Adjusted SOFR | 2021 Unsecured Revolver maturing in 2026 |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Basis point spread on variable interest rate (percent) |  |  |  |  |  |  | 1.00% | 1.00% |
Minimum | Unsecured Debt | Unsecured Senior Notes |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Unencumbered assets to unsecured debt ration |  |  |  |  |  |  | 1.25 |  |
Minimum | Unsecured Debt | 2021 and 2023 Unsecured Revolvers |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Unencumbered assets to unsecured debt ration |  |  |  |  |  |  | 1.33 |  |
Debt instrument covenant multiple of minimum fixed charges on outstanding borrowings |  |  |  |  |  |  | 1.15 |  |

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