Income Taxes - Summary of Components of Deferred and Other Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands		Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Goodwill and other intangibles		$ (43,894)	$ (44,799)
Provision for loan losses		11,057	19,556
Net operating loss carryforwards	[1]	12,167	30,493
Accrued expenses, compensation, and other assets		2,579	1,174
Unrealized gains (losses) on other investments		(2,176)	6,769
Total deferred tax liability		(15,915)	(345)
Valuation allowance	[2]	(2,295)	(462)
Deferred tax liability, net		$ (18,210)	$ (807)

[1] As of December 31, 2021, the Company and its subsidiaries had an estimated $52.4 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 $9.9 million of December 31, 2021.

[2] During the year ended December 31, 2021, it was determined that the likelihood of utilization of certain net operating losses was remote and a valuation allowance of $1.8 million was assessed against these assets.