XML 51 R42.htm IDEA: XBRL DOCUMENT v2.4.0.8
Fair Value Measurements (Details 2) (Interest rate derivatives, Cash flow hedge, USD $)
 0 Months Ended
Sep. 30, 2013
item
Interest rate derivatives | Cash flow hedge
  
Fair Value Measurements  
Number of interest rate derivatives held 10
Number of mortgage loans outstanding 10
Notional amount of interest rate derivatives designated as cash flow hedge $ 60,509,000
Weighted average maturity 6 years 7 months 6 days
Fixed annual interest rate lower end of range (as a percent) 3.55%
Fixed annual interest rate higher end of range (as a percent) 6.50%
Weighted average annual interest rate (as a percent) 5.01%