Goodwill and Other Intangible Assets Estimated Future Amortization Expense (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014
Core Deposits Member
Estimated future amortization expense
Nine months ending December 31, 2014	$ 2,097
Year ending December 31, 2015	1,404
Year ending December 31, 2016	281
Year ending December 31, 2017	112
Year ending December 31, 2018	0
Year ending December 31, 2019	0
Beyond 2019	0
Total Estimated Amortization Expense	3,894
Other Intangible Assets [Member]
Estimated future amortization expense
Nine months ending December 31, 2014	659
Year ending December 31, 2015	839
Year ending December 31, 2016	803
Year ending December 31, 2017	770
Year ending December 31, 2018	740
Year ending December 31, 2019	441
Beyond 2019	2,047
Total Estimated Amortization Expense	6,299
Mortgage Service Rights [Member]
Estimated future amortization expense
Nine months ending December 31, 2014	7,685
Year ending December 31, 2015	8,777
Year ending December 31, 2016	7,345
Year ending December 31, 2017	6,171
Year ending December 31, 2018	5,197
Year ending December 31, 2019	4,397
Beyond 2019	23,621
Total Estimated Amortization Expense	$ 63,193

Total Estimated Amortization Expense

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Amount of amortization expense expected to be recognized after the fifth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

No definition available.

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- Definition

Amount of amortization expense expected to be recognized during the next fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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Amount of amortization expense expected to be recognized in the remainder of the fiscal year following the latest fiscal year ended for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

No definition available.

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Amount of amortization expense expected to be recognized during the fifth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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Amount of amortization expense expected to be recognized during the fourth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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Amount of amortization expense expected to be recognized during the third fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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Amount of amortization expense expected to be recognized during the second fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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