Fair Value Measurements (Details 6) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013
Aggregate Fair Value [Member]
Summarizes differences between fair value and principal balance for mortgage loans held for sale measure at fair value
Mortgage loans held for sale measured at fair value	$ 28,466
Past due loans of 90 days or more	0
Nonaccrual loans	0
Aggregate Unpaid Principal Balance [Member]
Summarizes differences between fair value and principal balance for mortgage loans held for sale measure at fair value
Mortgage loans held for sale measured at fair value	28,096
Past due loans of 90 days or more	0
Nonaccrual loans	0
Difference [Member]
Summarizes differences between fair value and principal balance for mortgage loans held for sale measure at fair value
Mortgage loans held for sale measured at fair value	370
Past due loans of 90 days or more	0
Nonaccrual loans	$ 0