Quarterly report pursuant to Section 13 or 15(d)

Information by Business Segment (Details 3)

v2.4.0.8
Information by Business Segment (Details 3) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Dec. 31, 2012
Sep. 30, 2012
Reconciliation of segment assets to total assets      
Assets $ 3,755,588 $ 3,653,759 $ 3,597,656
Segment assets
     
Reconciliation of segment assets to total assets      
Assets 3,053,813   2,836,547
Non-operating property assets
     
Reconciliation of segment assets to total assets      
Assets 530,389   616,526
Other assets
     
Reconciliation of segment assets to total assets      
Assets $ 171,386   $ 144,583