Parent Company Only Condensed Financial Information - Schedule of Condensed Statements of Operations and Comprehensive Income (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Income:
Interest income	$ 164,589	$ 158,724
Expenses:
Other noninterest expenses	9,015	9,173
Income before income tax (benefit) expense	42,603	33,595
Income tax benefit	9,092	7,386
NET INCOME	33,511	26,209
Comprehensive income (loss)	35,728	24,873
Parent Company [Member]
Income:
Interest income	0	0
Dividend income from subsidiaries	17,500	3,900
Other income	28	86
Expenses:
Interest expense	4,219	3,869
Other noninterest expenses	2,425	1,245
Income before income tax (benefit) expense	10,884	(1,128)
Income tax benefit	(1,413)	(1,056)
Net income (loss), including portion attributable to noncontrolling interest, total	12,297	(72)
Equity in undistributed subsidiary income	21,214	26,281
NET INCOME	33,511	26,209
Comprehensive income (loss)	$ 35,728	$ 24,873