Parent Company only Financial Information - Condensed Statement of Cash Flows (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Condensed Financial Statements, Captions [Line Items]
Net income	$ 21,108	$ 13,368
Adjustments to reconcile net income to net cash provided by operating activities:
Net cash provided by operating activities	28,663	16,209
Cash flow from investing activities:
Net cash used for investing activities	(271,973)	(59,013)
Cash flow from financing activities:
Proceeds from issuance of subordinated debt, net	0	29,224
Proceeds from exercised stock options	21	243
Net cash provided by financing activities	5,236	94,743
(Decrease) Increase in cash and cash equivalents	(238,074)	51,939
Cash and cash equivalents, beginning of period	470,456
Cash and cash equivalents, end of period	232,382	470,456
Parent Company [Member]
Condensed Financial Statements, Captions [Line Items]
Net income	21,108	13,368
Adjustments to reconcile net income to net cash provided by operating activities:
Equity in undistributed (earnings) of subsidiary income	(23,198)	(14,792)
Change in other assets and other liabilities, net	1,078	(4,157)
Net cash provided by operating activities	(1,012)	(5,581)
Cash flow from investing activities:
Investment in subsidiary	0	(30,000)
Net cash used for investing activities	0	(30,000)
Cash flow from financing activities:
Proceeds from issuance of subordinated debt, net	0	34,224
Proceeds from exercised stock options	21	243
Net cash provided by financing activities	21	34,467
(Decrease) Increase in cash and cash equivalents	(991)	(1,114)
Cash and cash equivalents, beginning of period	9,968	11,082
Cash and cash equivalents, end of period	$ 8,977	$ 9,968