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Assets and Liabilities Subject to Enforceable Master Netting Arrangements (Schedule of Assets and Liabilities Subject to an Enforceable Master Netting Arrangement or Repurchase Agreements) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Investment security collateral as a percentage of borrowing	102.00%
Repurchase Agreements [Member]
Gross Amountsof Recognized(Assets)/Liabilities	$ 52,589	$ 48,728
Gross Amounts Offset in the Statement of Condition
Net Amounts of(Assets)/Liabilities Presented in theStatement of Condition	52,589	48,728
Gross Amounts Not Offset in the Statment of Condition: Financial Instruments	(52,589)	(48,728)
Gross Amounts Not Offset in the Statment of Condition: Cash Collateral Pledged
Net amount
Interest Rate Swap Agreements [Member]
Gross Amountsof Recognized(Assets)/Liabilities	1,467	133
Gross Amounts Offset in the Statement of Condition
Net Amounts of(Assets)/Liabilities Presented in theStatement of Condition	1,467	133
Gross Amounts Not Offset in the Statment of Condition: Financial Instruments	(1,467)	(133)
Gross Amounts Not Offset in the Statment of Condition: Cash Collateral Pledged	2,000
Net amount

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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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