Business Combinations (Loans Acquired) (Details) (1st Financial, USD $) In Thousands, unless otherwise specified	Jan. 02, 2014
Business Acquisition [Line Items]
Contractually required payments	$ 414,233
Cash flows expected to be collected	400,622
Loans	316,327
Commercial
Business Acquisition [Line Items]
Loans	201,265
Commercial \| Construction and land development
Business Acquisition [Line Items]
Loans	41,516
Commercial \| Mortgage
Business Acquisition [Line Items]
Loans	123,925
Commercial \| Other commercial real estate
Business Acquisition [Line Items]
Loans	6,698
Commercial \| Commercial and industrial
Business Acquisition [Line Items]
Loans	29,126
Noncommerical
Business Acquisition [Line Items]
Loans	115,062
Noncommerical \| Mortgage
Business Acquisition [Line Items]
Loans	113,177
Noncommerical \| Consumer
Business Acquisition [Line Items]
Loans	$ 1,885

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Fair value at acquisition of acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 30

-Section 15

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=27045933&loc=d3e13503-111538

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544

+ Details

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- Definition

Amount of cash flows expected to be collected at acquisition of acquired consumer loans not accounted for as debt securities with evidence of deterioration of credit quality.

+ References

+ Details

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- Definition

Amount of contractually required payments receivable at acquisition of acquired loans not accounted for as debt securities with evidence of deterioration of credit quality.

+ References

+ Details

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