Quarterly report pursuant to Section 13 or 15(d)

Restricted Cash (Schedule Of Restricted Cash) (Details)

v3.10.0.1
Restricted Cash (Schedule Of Restricted Cash) (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Sep. 30, 2017
Dec. 31, 2016
Restricted Cash [Abstract]        
Security deposits $ 11,040 $ 9,446    
Escrow and other reserve funds 9,079 30,346    
Total restricted cash $ 20,119 $ 39,792 $ 40,473 $ 53,952