Quarterly report pursuant to Section 13 or 15(d)

Real Estate - Investment Properties (Details)

v3.10.0.1
Real Estate - Investment Properties (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Real Estate [Line Items]    
Investment properties at cost $ 463,162 $ 406,244
Land held for development 0 2,305
Less accumulated depreciation and amortization (36,190) (31,045)
Investment properties, net 426,972 375,199
Land    
Real Estate [Line Items]    
Investment properties at cost 96,945 91,108
Building and building improvements    
Real Estate [Line Items]    
Investment properties at cost $ 366,217 $ 312,831