Condensed Financial Information - Parent Company Only - Condensed Balance Sheets (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Assets
Cash and due from banks	$ 235,950	$ 228,530
Other assets	167,425	71,753
Total Assets	10,783,840	8,198,056
Liabilities and Stockholders' Equity
Other liabilities	138,272	78,200
Subordinated debentures	194,264	179,043
Total stockholders’ equity	1,108,587	827,014	$ 763,784	$ 725,263
Total Liabilities and Stockholders’ Equity	10,783,840	8,198,056
Parent Company
Assets
Cash and due from banks	47,362	40,228
Investment in subsidiaries	1,244,037	954,506
Other assets	13,422	12,639
Total Assets	1,304,821	1,007,373
Liabilities and Stockholders' Equity
Other liabilities	1,970	1,316
Subordinated debentures	194,264	179,043
Total stockholders’ equity	1,108,587	827,014
Total Liabilities and Stockholders’ Equity	$ 1,304,821	$ 1,007,373