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v3.20.2

Commitments and Contingencies (Details) ft² in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2020 USD ($) ft²
Property Subject to or Available for Operating Lease [Line Items] |
Debt, net | $ 2,201,755,000
4040 Wilson Venture |
Property Subject to or Available for Operating Lease [Line Items] |
Debt, net | 150,000,000.0
Guarantees, maximum exposure amount | 41,300,000
Unconsolidated Real Estate Ventures |
Property Subject to or Available for Operating Lease [Line Items] |
Real estate ventures aggregate indebtedness | $ 618,900,000
Radnor PA Property |
Property Subject to or Available for Operating Lease [Line Items] |
Rentable area (in square feet) | ft² | 170
Payments to acquire buildings | $ 20,300,000
Payments for deposits on real estate acquisitions | 1,000,000.0
Drexel Square |
Property Subject to or Available for Operating Lease [Line Items] |
Required spending in capital improvements to property | 8,300,000
Estimated potential additional contribution obligation | 2,700,000
Mortgage Lenders |
Property Subject to or Available for Operating Lease [Line Items] |
Associated letter of credit | $ 0

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