Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Narrative (Details)

v3.20.4
Commitments and Contingencies - Narrative (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Loss Contingencies [Line Items]    
Occupancy rate 92.00% 97.00%
Minimum [Member]    
Loss Contingencies [Line Items]    
Percent of guaranty of completion and principal guaranty 5.00%  
Maximum [Member]    
Loss Contingencies [Line Items]    
Percent of guaranty of completion and principal guaranty 100.00%  
Debt [Member] | Mortgages [Member]    
Loss Contingencies [Line Items]    
Maximum amount of joint venture debt guaranteed by the Company $ 21.9