Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Rental Property (Details)

v3.6.0.2
Summary of Significant Accounting Policies - Rental Property (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Accounting Policies [Abstract]      
Internal development costs, capitalized $ 2,095 $ 2,989 $ 1,543
Interest costs incurred, capitalized $ 2,259 3,448 5,095
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    
Real estate depreciation $ 96,813 $ 85,872 $ 80,057
Purchase price allocated to assets, useful life, maximum 33 years