Repurchase Agreements (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Assets Sold under Agreements to Repurchase [Line Items]
Gross amount of recognized liabilities for repurchase agreements included in other short-term borrowings	$ 7,148	$ 7,246
Mortgage-backed securities of government sponsored entities [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Total Borrowings	$ 7,148	$ 7,246