Quarterly report pursuant to Section 13 or 15(d)

Leases (Details 2)

v3.20.1
Leases (Details 2) - Land
$ in Millions
 3 Months Ended
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