Annual report pursuant to Section 13 and 15(d)

Recent Transactions (Other Investments In 2016) (Narrative) (Details)

v3.10.0.1
Recent Transactions (Other Investments In 2016) (Narrative) (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2018
USD ($)
item
Dec. 31, 2017
USD ($)
Dec. 31, 2016
USD ($)
Recent Transactions [Abstract]      
Purchase price of property | $ $ 168,398 $ 90,068 $ 121,582
Number of units | item 1,317