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Other Assets Other Investments Narrative (Details) - USD ($) | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Dec. 31, 2016 | Sep. 26, 2008
Schedule of Equity Method Investments [Line Items] |  |  |  |
Investment in limited partnerships | $ 4,607,000 |  | $ 3,963,000 |
Income (Loss) from Equity Method Investments | 236,000 | $ 708,000 |  |
Investment in Trust II | 315,000 |  | 315,000 |
Aldine Capital Fund, LP |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Investment in limited partnerships | 948,000 |  | 883,000 |
Aldine Capital Fund II, LP |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Investment in limited partnerships | $ 3,700,000 |  | $ 3,100,000 |
Trust II [Member] |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Sole ownership of common securities issued by Trust II |  |  |  | $ 315,000
Trust preferred securities |  |  |  | $ 10,000,000
Debt Instrument, Interest Rate, Stated Percentage |  |  |  | 10.50%

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