Securities Sold Under Agreements to Repurchase (Repurchase Agreements) (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Disclosure of Repurchase Agreements [Abstract]
Fair value of securities pledged in connection with repurchase agreements	$ 39,955	$ 41,406
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Gross Amounts of Recognized Liabilities	26,268	34,590
Gross Amounts Offset in the Statements of Condition	0	0
Net Amounts of Liabilities Presented in the Statements of Condition	26,268	34,590
Financial Instruments	(26,268)	(34,590)
Cash Collateral Pledged	0	0
Net Amount	0	$ 0
Total	26,268
U.S. Treasury and agency securities
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Total	26,268
Overnight and Continuous
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Total	26,268
Overnight and Continuous \| U.S. Treasury and agency securities
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Total	26,268
Up to 30 Days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Total	0
Up to 30 Days \| U.S. Treasury and agency securities
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Total	0
30 - 90 Days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Total	0
30 - 90 Days \| U.S. Treasury and agency securities
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Total	0
Greater than 90 Days
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Total	0
Greater than 90 Days \| U.S. Treasury and agency securities
Transfer of Certain Financial Assets Accounted for as Secured Borrowings [Line Items]
Total	$ 0

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Amount, before effects of master netting arrangements, of funds outstanding borrowed in the form of a financial asset repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same financial asset at a date certain for a specified price. Includes repurchase-to-maturity transactions and liabilities not subject to a master netting arrangement.

+ References

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-Publisher FASB
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The fair value, as of the date of each statement of financial position presented, of securities which are owned but transferred to serve as collateral for the payment of repurchase agreements, and that are reclassified and separately reported in the statement of financial position because the transferee has the right by contract or custom to sell or re-pledge them.

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Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

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Amount, after effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price offset against a right to receive collateral. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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Amount of asset associated with funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price.

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Amount of right to receive cash collateral under master netting arrangements that have not been offset against securities sold under agreement to repurchase.

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Amount of right to receive securities collateral under master netting arrangements that have not been offset against securities sold under agreement to repurchase.

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Amount, before effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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