Loans and Leases - Accruing and Nonaccruing Modified Loans to Borrowers Experiencing Financial Difficulty (Detail) $ in Thousands	12 Months Ended
	Dec. 31, 2025 USD ($) investment Rate	Dec. 31, 2024 USD ($) investment Rate
Financing Receivable, Modified Loans [Line Items]
Financing Receivable, Modified in Period, Accrued Interest, Amount	$ 124	$ 126
Accrual Modified Loans \| Maturity Date Extension [Member]
Financing Receivable, Modified Loans [Line Items]
Number of loans \| investment	9	5
Amortized Cost Basis*	$ 19,999	$ 12,852
Related allowance	$ 153	$ 29
Accrual Modified Loans \| Payment Deferral
Financing Receivable, Modified Loans [Line Items]
Number of loans \| investment	0	2
Amortized Cost Basis*	$ 0	$ 6,667
Related allowance	$ 0	$ 12
Nonaccrual Modified Loans \| Maturity Date Extension [Member]
Financing Receivable, Modified Loans [Line Items]
Number of loans \| investment	1	0
Amortized Cost Basis*	$ 429	$ 0
Related allowance	$ 0	$ 0
Nonaccrual Modified Loans \| Payment Deferral
Financing Receivable, Modified Loans [Line Items]
Number of loans \| investment	0	0
Amortized Cost Basis*	$ 0	$ 0
Related allowance	$ 0	$ 0
Commercial, Financial and Agricultural [Member] \| Accrual Modified Loans \| Maturity Date Extension [Member]
Financing Receivable, Modified Loans [Line Items]
Number of loans \| investment	8	1
Amortized Cost Basis*	$ 17,454	$ 4,925
Percent of total class of financing receivable \| Rate	1.70%	0.47%
Related allowance	$ 152	$ 9
Commercial, Financial and Agricultural [Member] \| Accrual Modified Loans \| Payment Deferral
Financing Receivable, Modified Loans [Line Items]
Number of loans \| investment	0	2
Amortized Cost Basis*	$ 0	$ 6,667
Percent of total class of financing receivable \| Rate	0.00%	0.64%
Related allowance	$ 0	$ 12
Real Estate-Commercial [Member] \| Accrual Modified Loans \| Maturity Date Extension [Member]
Financing Receivable, Modified Loans [Line Items]
Number of loans \| investment	0	4
Amortized Cost Basis*	$ 0	$ 7,927
Percent of total class of financing receivable \| Rate	0.00%	0.22%
Related allowance	$ 0	$ 20
Real Estate-Commercial [Member] \| Nonaccrual Modified Loans \| Maturity Date Extension [Member]
Financing Receivable, Modified Loans [Line Items]
Number of loans \| investment	1	0
Amortized Cost Basis*	$ 429	$ 0
Percent of total class of financing receivable \| Rate	0.01%	0.00%
Related allowance	$ 0	$ 0
Real Estate-Commercial [Member] \| Nonaccrual Modified Loans \| Payment Deferral
Financing Receivable, Modified Loans [Line Items]
Number of loans \| investment	0
Real Estate-Construction [Member] \| Accrual Modified Loans \| Maturity Date Extension [Member]
Financing Receivable, Modified Loans [Line Items]
Number of loans \| investment	1	0
Amortized Cost Basis*	$ 2,545	$ 0
Percent of total class of financing receivable \| Rate	0.83%	0.00%
Related allowance	$ 1	$ 0
Real Estate-Construction [Member] \| Accrual Modified Loans \| Payment Deferral
Financing Receivable, Modified Loans [Line Items]
Number of loans \| investment	0

UNIVEST FINANCIAL Corp 10-K