Mortgage Servicing Rights and Mortgage Servicing Activity (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2011
2012	$ 3,304
2013	2,844
2014	2,306
2015	1,861
2016	1,499
more than 5 years	5,826
Future Amortization of Mortgage Servicing Rights (MSRs)	$ 17,640

Future Amortization of Mortgage Servicing Rights (MSRs)

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Future Amortization of Mortgage Servicing Rights (MSRs), After Five Years

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Future Amortization of Mortgage Servicing Rights (MSRs), Year Five

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Future Amortization of Mortgage Servicing Rights (MSRs), Year Four

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Future Amortization of Mortgage Servicing Rights (MSRs), Year One

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Future Amortization of Mortgage Servicing Rights (MSRs), Year Three

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Future Amortization of Mortgage Servicing Rights (MSRs), Year Two

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