Mortgage Servicing Rights and Mortgage Servicing Activity (Estimated Amortization Expense for Mortgage Servicing Rights) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2013
Transfers and Servicing [Abstract]
2014	$ 3,588
2015	3,241
2016	2,759
2017	2,339
2018	1,971
more than 5 years	8,580
Future Amortization of Mortgage Servicing Rights (MSRs)	$ 22,478

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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