| **Core Deposit and Other Intangibles (Tables)**            | 12 Months Ended                                                                                                                                                                                                                                                                                                                    |
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| **Intangible Assets, Net (Excluding Goodwill) [Abstract]** |                                                                                                                                                                                                                                                                                                                               |
| Schedule of Core Deposit and Other Intangibles             | The carrying basis and accumulated amortization of recognized core deposit and other intangibles are noted below.   2014 2013Gross carrying amount$53,702$46,389Core deposit intangible and other intangibles acquired4,6587,313Accumulated amortization(42,329)(39,884)Core Deposit and Other Intangibles$16,031$13,818 |
| Schedule of Estimated Amortization Expense                 | Estimated future amortization expense is summarized as follows: Amortization Expense2015$2,88420162,81720172,72320181,54220191,293After 20194,772Total Future Minimum Obligations$16,031                                                                                                                                      |

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| - Definition
Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets.
+ References
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| - Definition
Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275
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