Quarterly report pursuant to Section 13 or 15(d)

Information by Business Segment (Details 3)

v3.3.0.814
Information by Business Segment (Details 3) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Sep. 30, 2014
Reconciliation of segment assets to total assets      
Assets $ 3,918,473 $ 3,670,257 $ 3,680,188
Segment assets      
Reconciliation of segment assets to total assets      
Assets 3,354,762   2,962,686
Non-operating property assets      
Reconciliation of segment assets to total assets      
Assets 416,540   518,951
Other assets      
Reconciliation of segment assets to total assets      
Assets $ 147,171   $ 198,551