Quarterly report pursuant to Section 13 or 15(d)

Information by Business Segment (Details 3)

v3.2.0.727
Information by Business Segment (Details 3) - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Jun. 30, 2014
Reconciliation of segment assets to total assets      
Assets $ 3,910,921 $ 3,670,257 $ 3,709,500
Segment assets      
Reconciliation of segment assets to total assets      
Assets 3,218,657   2,951,299
Non-operating property assets      
Reconciliation of segment assets to total assets      
Assets 527,742   535,462
Other assets      
Reconciliation of segment assets to total assets      
Assets $ 164,522   $ 222,739