Name:	unty_FinancingReceivableExcludingAccruedInterestModifiedAccumulated
Namespace Prefix:	unty_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Percentage, excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty to total financing receivables.

No definition available.

Name:	unty_FinancingReceivableExcludingAccruedInterestModifiedInPeriodToTotalFinancingReceivables
Namespace Prefix:	unty_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Amortized cost excluding accrued interest, of financing receivable with payment default in current period and modified within previous 12 months preceding payment default for debtor experiencing financial difficulty.

No definition available.

Name:	unty_FinancingReceivableExcludingAccruedInterestModifiedSubsequentDefault
Namespace Prefix:	unty_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Period of increase in weighted average maturity of financing receivable modified for debtor experiencing financial difficulty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	unty_FinancingReceivableModifiedWeightedAverageTermIncreaseFromModification
Namespace Prefix:	unty_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

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.