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
Jun. 30, 2018
Dec. 31, 2017
Jun. 30, 2017
Dec. 31, 2016
Restricted Cash [Abstract]        
Security deposits $ 9,743 $ 9,446    
Escrow and other reserve funds 12,378 30,346    
Total restricted cash $ 22,121 $ 39,792 $ 56,167 $ 53,952