Fair Value (Details 1) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012
Fair value measurements
Assumed Gain (Loss) From Loan Sale	$ (2,276)
Interest Rate Movement Effect	1,791
Servicing Rights Value	2,344
Security Price Change	(1,851)
Total Fair Value Measurement Gain/(Loss)	8
Rate Lock Commitments [Member]
Fair value measurements
Notional or Principal Amount	218,464
Assumed Gain (Loss) From Loan Sale	(1,258)
Interest Rate Movement Effect	622
Servicing Rights Value	1,445
Total Fair Value Measurement Gain/(Loss)	809
Forward Sales Contracts [Member]
Fair value measurements
Notional or Principal Amount	328,074
Security Price Change	(1,851)
Total Fair Value Measurement Gain/(Loss)	(1,851)
Mortgages held for sale [Member]
Fair value measurements
Notional or Principal Amount	149,328
Assumed Gain (Loss) From Loan Sale	(1,018)
Interest Rate Movement Effect	1,169
Servicing Rights Value	899
Total Fair Value Measurement Gain/(Loss)	$ 1,050