Revenue Recognition - Summary of Non Interest Income, Segregated by Revenue Streams in-Scope and Out-of-Scope of Topic 606 (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Noninterest income:
Gain on OREO, net	$ 0	$ (1,177)	$ (365)
Other	7,546	7,007	11,277
Total noninterest income	49,989	47,385	49,870
Service Charges on Deposit Accounts [Member]
Noninterest income:
Revenue from contract with customer	21,382	17,152	16,561
Trust and Investment Services [Member]
Noninterest income:
Revenue from contract with customer	11,518	11,571	9,978
Bankcard Services [Member]
Noninterest income:
Revenue from contract with customer	1,470	1,789	1,886
Accounting Standards Update 2014-09 [Member]
Noninterest income:
Gain on OREO, net	0	(1,177)	(388)
Other	7,546	7,007	11,277
Total noninterest income	41,916	38,696	40,090
Accounting Standards Update 2014-09 [Member] | Service Charges on Deposit Accounts [Member]
Noninterest income:
Revenue from contract with customer	21,382	17,152	16,561
Accounting Standards Update 2014-09 [Member] | Trust and Investment Services [Member]
Noninterest income:
Revenue from contract with customer	11,518	11,571	9,978
Accounting Standards Update 2014-09 [Member] | Bankcard Services [Member]
Noninterest income:
Revenue from contract with customer	1,470	1,789	1,886
Accounting Standards Update 2014-09 Not Adopted [Member]
Noninterest income:
Total noninterest income	$ 8,073	$ 8,689	$ 9,780