Mortgage Banking (Details Textual) - USD ($)	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Compliance with Regulatory Capital Requirements for Mortgage Companies [Line Items]
Residential Mortgage Loans, Unpaid Balance	$ 1,390,000,000		$ 1,390,000,000
Accrual For Estimated Secondary Market Buy Back Losses	0	$ 28,000
Accrued Liabilities and Other Liabilities	$ 43,000		$ 43,000

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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