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 |