Quarterly report pursuant to Section 13 or 15(d)

Information by Business Segment (Details 4)

v3.5.0.2
Information by Business Segment (Details 4) - USD ($)
$ in Thousands
Sep. 30, 2016
Dec. 31, 2015
Sep. 30, 2015
Reconciliation of segment assets to total assets      
Assets $ 3,634,194 $ 3,909,312 $ 3,912,092
Segment assets      
Reconciliation of segment assets to total assets      
Assets 3,027,125   3,354,762
Non-operating property assets      
Reconciliation of segment assets to total assets      
Assets 421,364   416,540
Other assets      
Reconciliation of segment assets to total assets      
Assets $ 185,705   $ 140,790