Intangible Assets (Carrying and Fair Value of MSRs) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015
Net carrying value, fair value of MSRs and loans Corporation servicing for others
Valuation Allowance for Impairment of Recognized Servicing Assets, Balance	$ 400
Loans serviced for others that have servicing rights capitalized	2,014,986	$ 2,082,899	$ 2,193,067
Mortgage Servicing Rights [Member]
Net carrying value, fair value of MSRs and loans Corporation servicing for others
Net carrying value of MSRs	9,677	11,122	12,307
Fair value of MSRs	12,493	15,542	16,602
Valuation Allowance for Impairment of Recognized Servicing Assets, Balance	$ 412	$ 0	$ 0

Finite lived intangible assets including core deposit MSR and non compete net.

No definition available.

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- Definition

Loans serviced for others that have servicing rights capitalized.

+ References

No definition available.

+ Details

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- Definition

Net carrying value fair value of mortgage servicing rights and loans corporation servicing for others.

+ References

No definition available.

+ Details

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- Definition

Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=56950315&loc=d3e122625-111746

+ Details

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- Definition

Reflects the estimated amount of impairment as of the balance sheet date of recognized servicing assets that are being amortized in proportion to and over the period of estimated net servicing income or loss.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 50
-Paragraph 4
-Subparagraph (e)(1)
-URI http://asc.fasb.org/extlink&oid=56950315&loc=d3e122739-111746

+ Details

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- Details

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