Derivatives - Summary Information Regarding Derivatives (Detail) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Third Party interest rate swaps | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Classified in Other Assets:
Notional Amount	$ 999,400	$ 918,758
Average Maturity (Years)	6 years 9 months 18 days	7 years 6 months
Weighted Average Fixed Rate	3.77%	3.70%
Weighted Average Variable Rate	200.00%	200.00%
Fair Value	$ 97,886	$ 94,800
Classified in Other Liabilities:
Notional Amount	$ 97,926	$ 51,864
Average Maturity (Years)	6 years	8 years 6 months
Weighted Average Fixed Rate	6.04%	5.60%
Weighted Average Variable Rate	199.00%	195.00%
Fair  Value	$ (1,200)	$ (1,207)
Third Party interest rate swaps | London Interbank Offered Rate (LIBOR)
Classified in Other Assets:
Notional Amount	$ 3,826	$ 48,497
Average Maturity (Years)	5 years 8 months 12 days	1 year 6 months
Weighted Average Fixed Rate	4.23%	3.40%
Weighted Average Variable Rate	140.00%	252.00%
Fair Value	$ 206	$ 1,841
Customer interest rate swaps | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Classified in Other Assets:
Notional Amount	$ 97,926	$ 51,864
Average Maturity (Years)	6 years	8 years 6 months
Weighted Average Fixed Rate	6.04%	5.60%
Weighted Average Variable Rate	199.00%	195.00%
Fair Value	$ 1,200	$ 1,207
Classified in Other Liabilities:
Notional Amount	$ 999,400	$ 918,758
Average Maturity (Years)	6 years 9 months 18 days	7 years 6 months
Weighted Average Fixed Rate	3.77%	3.70%
Weighted Average Variable Rate	200.00%	200.00%
Fair  Value	$ (97,891)	$ (94,800)
Customer interest rate swaps | London Interbank Offered Rate (LIBOR)
Classified in Other Liabilities:
Notional Amount	$ 3,826	$ 48,497
Average Maturity (Years)	5 years 8 months 12 days	1 year 6 months
Weighted Average Fixed Rate	4.23%	3.40%
Weighted Average Variable Rate	140.00%	252.00%
Fair  Value	$ (206)	$ (1,841)