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Goodwill and Other Intangible Assets (Details Textual) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Weighted Average [Member]          
Finite-Lived Intangible Assets [Line Items]          
Assumption For Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Weighted Average Default Rate     2.20%   2.25%
Mortgage Loans Serviced [Member]          
Finite-Lived Intangible Assets [Line Items]          
Escrow Deposit $ 7,200,000   $ 7,200,000   $ 3,500,000
Interest and Fee Income, Other Loans 308,000 $ 285,000 912,000 $ 808,000  
Servicing Asset at Fair Value, Amount 4,100,000   $ 4,100,000   $ 4,600,000
Mortgage Loans Serviced [Member] | Minimum [Member]          
Finite-Lived Intangible Assets [Line Items]          
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate     9.50%   9.50%
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Prepayment Speed     5.50%   5.15%
Mortgage Loans Serviced [Member] | Maximum [Member]          
Finite-Lived Intangible Assets [Line Items]          
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Discount Rate     9.51%   10.00%
Assumption for Fair Value of Assets or Liabilities that relate to Transferor's Continuing Involvement, Prepayment Speed     15.09%   33.78%
Mortgage Repurchase Reserve [Member]          
Finite-Lived Intangible Assets [Line Items]          
Mortgage Loans on Real Estate, Write-down or Reserve, Amount $ 361,000   $ 361,000   $ 351,000
Financing Receivable, Allowance for Credit Losses, Recovery     $ 10,000