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Notes Payable and Unsecured Credit Facilities Narrative (Details) - USD ($) |  | 1 Months Ended |
--- | --- | --- | ---
Feb. 09, 2021 | Jan. 31, 2021 | Mar. 31, 2021
Debt Instrument [Line Items] |  |  |
Line Of Credit Facility Maximum Borrowing Capacity |  |  | $ 1,200,000,000
Long-term Debt, Maturity Date | Mar. 23, 2025 |  |
Repayments of loan |  | $ 265,000,000 |
Cash paid relating to interest rate swap | $ 2,500,000 |  |
Accordion Feature |  |  |
Debt Instrument [Line Items] |  |  |
Line Of Credit Facility Maximum Borrowing Capacity | 1,250 |  |
Swing Loan |  |  |
Debt Instrument [Line Items] |  |  |
Line Of Credit Facility Maximum Borrowing Capacity | 125,000 |  |
Letter of Credit |  |  |
Debt Instrument [Line Items] |  |  |
Line Of Credit Facility Maximum Borrowing Capacity | $ 50,000 |  |

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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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