Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Rental Property (Details)

v3.20.4
Summary of Significant Accounting Policies - Rental Property (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Accounting Policies [Abstract]      
Payroll and related costs capitalized $ 1,159 $ 1,581 $ 1,521
Interest costs capitalized $ 107 25 93
Buildings and improvements, estimated useful life 33 years    
Land improvements, estimated useful life 15 years    
Property, plant and equipment, estimated useful life, minimum 7 years    
Depreciation expense related to rental property $ 101,665 $ 107,129 $ 114,198
Purchase price allocated to assets, useful life, maximum 33 years