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FHLB Advances, Other Borrowings and Junior Subordinated Notes Trust II Issuance Of Trust Preferred Securities (Details) - USD ($) | Dec. 31, 2016 | Dec. 31, 2015 | Sep. 26, 2008
--- | --- | --- | ---
Variable Interest Entity [Line Items] |  |  |
Junior subordinated notes | $ 10,004,000 | $ 10,000,000 |
Sole ownership of common securities issued by Trust II | $ 315,000 |  |
Trust II |  |  |
Variable Interest Entity [Line Items] |  |  |
Junior subordinated notes |  |  | $ 10,000,000
Trust preferred securities fixed rate |  |  | 10.50%
Sole ownership of common securities issued by Trust II |  |  | $ 315,000

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