Annual report pursuant to Section 13 and 15(d)

Notes Payable - Maturities of Notes Payable (Details)

v2.4.0.6
Notes Payable - Maturities of Notes Payable (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Long-term Debt of Registrant, Maturities, Repayments of Principal, Fiscal Year Maturity [Abstract]    
2013 $ 33,313  
2014 3,519  
2015 22,174  
2016 134,715  
2017 104,712  
Thereafter 48,086  
Notes Payable 906,190 657,470
Unsecured Debt [Member]
   
Long-term Debt of Registrant, Maturities, Repayments of Principal, Fiscal Year Maturity [Abstract]    
2013 60,000  
2014 100,000  
2015 150,000  
2016 0  
2017 0  
Thereafter 600,000  
Notes Payable $ 910,000