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Indebtedness - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Jul. 07, 2021 | Dec. 31, 2019 | Oct. 31, 2017 | Sep. 11, 2015
Debt Instrument [Line Items] |  |  |  |  |  |
Long-term Debt, Gross | $ 1,617,335 |  |  |  |  |
2030 II Private Placement Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Long-term Debt, Gross | $ 100,000 | $ 100,000 |  |  |  |
Effective Interest Rate | 2.74% | 2.74% |  |  |  |
Interest Rate | 2.74% |  |  |  |  |
2032 Private Placement Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Long-term Debt, Gross | $ 200,000 | $ 200,000 |  |  |  |
Effective Interest Rate | 2.84% | 2.84% |  |  |  |
Interest Rate | 2.84% |  |  |  |  |
2029 II Private Placement Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Long-term Debt, Gross | $ 150,000 | $ 150,000 |  | $ 150,000 |  |
Effective Interest Rate | 4.23% |  |  |  |  |
Interest Rate | 3.97% |  |  | 3.97% |  |
2015 Unsecured Term Loan (A) |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Long-term Debt, Gross | $ 260,000 | 260,000 |  |  |  |
Interest Rate | 2.89% |  |  |  |  |
Unsecured term loan, face amount |  |  |  |  |  | $ 260,000
Debt instrument, interest rate terms | LIBOR plus 110 basis points |  |  |  |  |
Term Loan Borrowing Capacity | $ 360,000 |  |  |  |  |
2021 Unsecured Term Loan (A) |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Long-term Debt, Gross | $ 200,000 | 0 |  |  |  |
Interest Rate | 1.84% |  |  |  |  |
Unsecured term loan, face amount |  |  | $ 200,000 |  |  |
Debt instrument, interest rate terms | LIBOR plus 85 basis points |  |  |  |  |
Term Loan Borrowing Capacity | $ 460,000 |  |  |  |  |
Mortgage Loans Payable |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Unamortized Debt Issuance Expense | 90 | 335 |  |  |  |
Extinguishment of debt, amount | 60,471 | 25,448 |  |  |  |
Net carrying value of industrial properties collateralized by mortgage loans | 133,613 |  |  |  |  |
Long-term Debt, Gross | 79,764 | 144,214 |  |  |  |
Unsecured Credit Facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Unamortized Debt Issuance Expense | $ 4,577 | $ 1,049 |  |  |  |
Interest Rate | 0.88% |  |  |  |  |
Line of Credit Facility, current borrowing capacity |  |  | $ 750,000 |  | $ 725,000 |
Line of Credit Facility, interest rate description | LIBOR plus 77.5 basis points |  |  |  |  |
Line of Credit Facility, Commitment Fee Percentage | 0.15% |  |  |  |  |
Line of Credit Facility, additional borrowings capacity | $ 1,000,000 |  |  |  |  |

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