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Leases (Details 2) - Land $ in Millions | 3 Months Ended
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Mar. 31, 2020 USD ($) Lease
Lessee, Lease, Description [Line Items] |
Lessee right-of-use asset | $ 68.2
Minimum |
Lessee, Lease, Description [Line Items] |
Remaining term of contract | 29 years
Maximum |
Lessee, Lease, Description [Line Items] |
Remaining term of contract | 96 years
Washington, DC |
Lessee, Lease, Description [Line Items] |
Remaining term of contract | 80 years
Lessee right-of-use asset | $ 10.3
Number of contracts | Lease | 2
Baltimore, Maryland |
Lessee, Lease, Description [Line Items] |
Remaining term of contract | 29 years
Lessee right-of-use asset | $ 6.5
Renewal term | 49 years
Stevens Investors, LLC | Washington, DC |
Lessee, Lease, Description [Line Items] |
Remaining term of contract | 96 years
Lessee right-of-use asset | $ 37.8
M Square Associates, LLC | College Park, Maryland |
Lessee, Lease, Description [Line Items] |
Lessee right-of-use asset | $ 6.6
Number of contracts | Lease | 4
M Square Associates, LLC | College Park, Maryland | Minimum |
Lessee, Lease, Description [Line Items] |
Remaining term of contract | 63 years
M Square Associates, LLC | College Park, Maryland | Maximum |
Lessee, Lease, Description [Line Items] |
Remaining term of contract | 74 years
LW Redstone Company, LLC | Huntsville, Alabama |
Lessee, Lease, Description [Line Items] |
Lessee right-of-use asset | $ 4.8
Renewal term | 25 years
Number of contracts | Lease | 9
LW Redstone Company, LLC | Huntsville, Alabama | Minimum |
Lessee, Lease, Description [Line Items] |
Remaining term of contract | 43 years
LW Redstone Company, LLC | Huntsville, Alabama | Maximum |
Lessee, Lease, Description [Line Items] |
Remaining term of contract | 50 years
Fort Meade/BW Corridor |
Lessee, Lease, Description [Line Items] |
Remaining term of contract | 48 years
Lessee right-of-use asset | $ 2.3
Number of contracts | Lease | 2

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