Quarterly report pursuant to Section 13 or 15(d)

Notes Payable (Details)

v2.4.0.8
Notes Payable (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended 0 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Mar. 15, 2013
Unsecured Debt [Member]
5.125% unsecured notes [Member]
Jan. 15, 2014
Unsecured Debt [Member]
5.125% unsecured notes [Member]
Debt Instrument [Line Items]        
Repayments of Unsecured Debt $ 100,000 $ 60,000 $ 100,000  
Interest rate, stated percentage       5.25%