XML 92 R81.htm IDEA: XBRL DOCUMENT
v3.19.1

Assets and Liabilities Subject to Enforceable Master Netting Agreements (Schedule of Liabilities Subject to an Enforceable Master Netting Arrangement or Repurchase Agreements) (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Investment security collateral as a percentage of borrowing | 102.00% |
Interest Rate Swap [Member] |  |
Gross Amounts of Recognized (Assets)/Liabilities | $ (612) | $ (1,043)
Gross Amounts Offset in the Statement of Condition | 0 | 0
Net Amounts of (Assets)/Liabilities Presented in the Statement of Condition | (612) | (1,043)
Gross Amounts Not Offset in the Statement of Condition: Financial Instruments | 612 | 1,043
Gross Amounts Not Offset in the Statement of Condition: Cash Collateral Pledged | 0 | 0
Net Amount | 0 | 0
Repurchase Agreements [Member] |  |
Gross Amounts of Recognized (Assets)/Liabilities | 39,695 | 37,707
Gross Amounts Offset in the Statement of Condition | 0 | 0
Net Amounts of (Assets)/Liabilities Presented in the Statement of Condition | 39,695 | 37,707
Gross Amounts Not Offset in the Statement of Condition: Financial Instruments | (39,695) | (37,707)
Gross Amounts Not Offset in the Statement of Condition: Cash Collateral Pledged | 0 | 0
Net Amount | $ 0 | $ 0

X
- Definition Information on the swap contracts and the repurchase agreements related to netting arrangements. + References No definition available. + Details
Name: | func_GrossAmountsNotOffsetInStatementOfConditionCashCollateralPledged
Namespace Prefix: | func_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Information on the swap contracts and the repurchase agreements related to netting arrangements. + References No definition available. + Details
Name: | func_GrossAmountsNotOffsetInStatementOfConditionFinancialInstruments
Namespace Prefix: | func_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Information on the swap contracts and the repurchase agreements related to netting arrangements + References No definition available. + Details
Name: | func_GrossAmountsOfRecognizedLiabilitiesForMasterNettingAgreements
Namespace Prefix: | func_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Information on the swap contracts and the repurchase agreements related to netting arrangements + References No definition available. + Details
Name: | func_GrossAmountsOffsetInStatementOfConditionForMasterNettingAgreements
Namespace Prefix: | func_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Investment security collateral as a percentage of borrowing + References No definition available. + Details
Name: | func_InvestmentSecurityCollateralAsPercentageOfBorrowing
Namespace Prefix: | func_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Information on the swap contracts and the repurchase agreements related to netting arrangements + References No definition available. + Details
Name: | func_MasterNettingArrangementNetAmount
Namespace Prefix: | func_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Information on the swap contracts and the repurchase agreements related to netting arrangements + References No definition available. + Details
Name: | func_NetAmountsOfLiabilitiesPresentedInStatementOfConditionForMasterNettingAgreements
Namespace Prefix: | func_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_InterestRateSwapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_RepurchaseAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |