Name:	func_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossFeeAndLoanInProcess
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Financing receivable individually evaluated with no allowance carrying value.

No definition available.

Name:	func_FinancingReceivableIndividuallyEvaluatedWithNoAllowanceCarryingValue
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Financing receivables minimum benchmark for evaluation for specific reserves.

No definition available.

Name:	func_FinancingReceivablesMinimumBenchmarkForEvaluationForSpecificReserves
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Amount of allowance for credit losses related to impaired financing receivable excluding accrued interest.

No definition available.

Name:	func_ImpairedFinancingReceivableExcludingAccruedInterestRelatedAllowanceForCreditLoss
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Amount of investment in impaired financing receivables excluding accrued interest for which there is no related allowance for credit losses.

No definition available.

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Amount of investment in impaired financing receivables excluding accrued interest for which there is a related allowance for credit losses.

No definition available.

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Amount of transfers of assets measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2.

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Amount of transfers of assets measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1.

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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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For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings.

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Amount excluding accrued interest, of allowance for credit loss on financing receivable.

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Amount of financing receivable on nonaccrual status.

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Amount of expense related to estimated loss from loan and lease transactions.

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