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v3.20.1

Indebtedness - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Dec. 31, 2019
Debt Instrument [Line Items] |  |  |
Long-term Debt, Gross |  | $ 1,651,674 |
Unsecured Credit Facility |  |  |
Debt Instrument [Line Items] |  |  |
Unamortized Debt Issuance Costs |  | $ 1,986 | $ 2,300
Interest Rate | [1] | 2.09% |
Maturity Date | [2] | Oct. 29, 2021 |
Mortgage Loans Payable |  |  |
Debt Instrument [Line Items] |  |  |
Unamortized Debt Issuance Costs |  | $ 593 | 675
Net carrying value of industrial properties collateralized by mortgage loans |  | 262,852 |
Long-term Debt, Gross |  | 173,103 | 174,360
2014 Unsecured Term Loan |  |  |
Debt Instrument [Line Items] |  |  |
Long-term Debt, Gross |  | $ 200,000 | 200,000
Interest Rate | [1] | 3.39% |
Maturity Date | [1] | Jan. 29, 2021 |
2015 Unsecured Term Loan |  |  |
Debt Instrument [Line Items] |  |  |
Long-term Debt, Gross |  | $ 260,000 | 260,000
Interest Rate | [1] | 2.89% |
Maturity Date | [1] | Sep. 12, 2022 |
2028 Private Placement Notes |  |  |
Debt Instrument [Line Items] |  |  |
Long-term Debt, Gross |  | $ 150,000 | 150,000
Interest Rate |  | 3.86% |
Effective Interest Rate |  | 3.86% |
Maturity Date |  | Feb. 15, 2028 |
2029 II Private Placement Notes |  |  |
Debt Instrument [Line Items] |  |  |
Long-term Debt, Gross |  | $ 150,000 | 150,000
Interest Rate |  | 3.97% |
Effective Interest Rate |  | 4.23% |
Maturity Date |  | Jul. 23, 2029 |
2030 Private Placement Notes |  |  |
Debt Instrument [Line Items] |  |  |
Long-term Debt, Gross |  | $ 150,000 | $ 150,000
Interest Rate |  | 3.96% |
Effective Interest Rate |  | 3.96% |
Maturity Date |  | Feb. 15, 2030 |
[1] | The interest rate at March 31, 2020 also reflects the derivative instruments we entered into to effectively convert the variable rate to a fixed rate. See Note 10.
[2] | The maturity date may be extended an additional year at our election, subject to certain restrictions. Amounts exclude unamortized debt issuance costs of $1,986 and $2,300 as of March 31, 2020 and December 31, 2019, respectively, which are included in the line item Prepaid Expenses and Other Assets, Net.

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