Derivatives - Summary Information Regarding Derivatives (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Third Party interest rate swaps | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Classified in Other Assets:
Notional Amount	$ 887,187	$ 918,758
Average Maturity (Years)	7 years 3 months 18 days	7 years 6 months
Weighted Average Fixed Rate	3.66%	3.70%
Weighted Average Variable Rate	200.00%	200.00%
Fair Value	$ 77,078	$ 94,800
Classified in Other Liabilities:
Notional Amount	$ 78,914	$ 51,864
Average Maturity (Years)	8 years 1 month 6 days	8 years 6 months
Weighted Average Fixed Rate	5.41%	5.60%
Weighted Average Variable Rate	188.00%	195.00%
Fair  Value	$ (2,312)	$ (1,207)
Third Party interest rate swaps | London Interbank Offered Rate (LIBOR) Swap Rate
Classified in Other Assets:
Notional Amount	$ 48,237	$ 48,497
Average Maturity (Years)	1 year 2 months 12 days	1 year 6 months
Weighted Average Fixed Rate	3.40%	3.40%
Weighted Average Variable Rate	252.00%	252.00%
Fair Value	$ 1,335	$ 1,841
Customer interest rate swaps | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Classified in Other Assets:
Notional Amount	$ 78,914	$ 51,864
Average Maturity (Years)	8 years 1 month 6 days	8 years 6 months
Weighted Average Fixed Rate	5.41%	5.60%
Weighted Average Variable Rate	188.00%	195.00%
Fair Value	$ 2,312	$ 1,207
Classified in Other Liabilities:
Notional Amount	$ 887,187	$ 918,758
Average Maturity (Years)	7 years 3 months 18 days	7 years 6 months
Weighted Average Fixed Rate	3.66%	3.70%
Weighted Average Variable Rate	200.00%	200.00%
Fair  Value	$ (77,078)	$ (94,800)
Customer interest rate swaps | London Interbank Offered Rate (LIBOR) Swap Rate
Classified in Other Liabilities:
Notional Amount	$ 48,237	$ 48,497
Average Maturity (Years)	1 year 2 months 12 days	1 year 6 months
Weighted Average Fixed Rate	3.40%	3.40%
Weighted Average Variable Rate	252.00%	252.00%
Fair  Value	$ (1,335)	$ (1,841)