Fair Value (Details 1) (USD $) In Thousands	Sep. 30, 2011
Fair value measurements
Notional or Principal Amount	$ 187,817
Assumed Gain (Loss) from loan sale	(1,782)
Interest Rate Movement Effect	5,249
Servicing Rights Value	2,945
Security Price Change	(5,181)
Total Fair Value Adjustment Gain/(Loss)	1,231
Rate Lock Commitments [Member]
Fair value measurements
Notional or Principal Amount	196,484
Assumed Gain (Loss) from loan sale	(890)
Interest Rate Movement Effect	1,435
Servicing Rights Value	1,481
Total Fair Value Adjustment Gain/(Loss)	2,026
Forward Sales Contracts [Member]
Fair value measurements
Notional or Principal Amount	349,595
Security Price Change	(5,181)
Total Fair Value Adjustment Gain/(Loss)	(5,181)
Mortgages held for sale [Member]
Fair value measurements
Notional or Principal Amount	187,817
Assumed Gain (Loss) from loan sale	(892)
Interest Rate Movement Effect	3,814
Servicing Rights Value	1,464
Total Fair Value Adjustment Gain/(Loss)	$ 4,386