Mortgage Banking (Details Textual) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Compliance with Regulatory Capital Requirements for Mortgage Companies [Line Items]
Residential Mortgage Loans, Unpaid Balance	$ 1,340,000,000		$ 1,350,000,000
Accrual For Estimated Secondary Market Buy Back Losses	58,000
Accrual Reversal Amount		67,000
Secondary Market Buy Back Expense		$ 92,000