| **Core Deposit and Other Intangibles (Tables)**          | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                       |
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| **Goodwill and Intangible Assets Disclosure [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                  |
| Schedule of Core Deposit and Other Intangibles           | The carrying basis and accumulated amortization of recognized core deposit and other intangibles are noted below.   20162015Gross carrying amount$61,798$58,360Core deposit intangible and other intangibles acquired4,181Measurement period adjustment2,142Accumulated amortization(49,074)(45,164)Core deposit intangible and other intangibles reduction(742)Core Deposit and Other Intangibles$14,866$16,635 |
| Schedule of Estimated Future Amortization Expense        | Estimated future amortization expense is summarized as follows: Amortization Expense2017$3,61420182,29920191,91420201,73320211,611After 20213,695 $14,866                                                                                                                                                                                                                                                   |

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| - 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
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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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