Derivatives - Summary Information Regarding Derivatives (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Third party interest rate swaps | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Classified in Other Assets:
Notional  Amount	$ 918,758
Average Maturity (Years)	7 years 6 months
Weighted  Average Rate Fixed	3.70%
Weighted Average Variable Rate	200.00%
Fair Value	$ 94,800
Classified in Other Liabilities:
Notional  Amount	$ 51,864
Average Maturity (Years)	8 years 6 months
Weighted  Average Rate Fixed	5.60%
Weighted Average Variable Rate	195.00%
Fair Value	$ (1,207)
Third party interest rate swaps | London Interbank Offered Rate (LIBOR) Swap Rate
Classified in Other Assets:
Notional  Amount	$ 48,497	$ 326,941
Average Maturity (Years)	1 year 6 months	7 years 8 months 12 days
Weighted  Average Rate Fixed	3.40%	3.14%
Weighted Average Variable Rate	252.00%	232.00%
Fair Value	$ 1,841	$ 9,847
Classified in Other Liabilities:
Notional  Amount		$ 607,688
Average Maturity (Years)		8 years 2 months 12 days
Weighted  Average Rate Fixed		3.97%
Weighted Average Variable Rate		187.00%
Fair Value		$ (33,952)
Customer interest rate swaps | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Classified in Other Assets:
Notional  Amount	$ 51,864
Average Maturity (Years)	8 years 6 months
Weighted  Average Rate Fixed	5.60%
Weighted Average Variable Rate	195.00%
Fair Value	$ 1,207
Classified in Other Liabilities:
Notional  Amount	$ 918,758
Average Maturity (Years)	7 years 6 months
Weighted  Average Rate Fixed	3.70%
Weighted Average Variable Rate	200.00%
Fair Value	$ (94,800)
Customer interest rate swaps | London Interbank Offered Rate (LIBOR) Swap Rate
Classified in Other Assets:
Notional  Amount		$ 607,688
Average Maturity (Years)		8 years 2 months 12 days
Weighted  Average Rate Fixed		3.97%
Weighted Average Variable Rate		187.00%
Fair Value		$ 33,952
Classified in Other Liabilities:
Notional  Amount	$ 48,497	$ 326,941
Average Maturity (Years)	1 year 6 months	7 years 8 months 12 days
Weighted  Average Rate Fixed	3.40%	3.14%
Weighted Average Variable Rate	252.00%	232.00%
Fair Value	$ (1,841)	$ (9,847)