Income Taxes - Summary of Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands		Jun. 30, 2025	Dec. 31, 2024
Income Tax Disclosure [Abstract]
Provision for credit losses		$ 17,035	$ 14,530
Accrued expenses, compensation, and other assets		4,888	5,612
Net operating loss carryforwards	[1]	3,168	3,168
Other investments and investment securities		2,790	2,885
Valuation allowance		(4,552)	(4,418)
Total deferred tax assets		23,329	21,777
Goodwill and other intangibles		42,590	42,772
Total deferred tax liabilities		42,590	42,772
Deferred tax liability, net		$ 19,261	$ 20,995

[1] As of June 30, 2025, the Company had an estimated $11.1 million of net operating loss carryforwards, $1.7 million of which expires at various dates between December 31, 2026 and December 31, 2035, which had a net carrying value of $0.5 million as of June 30, 2025.