Income Taxes - Summary of Deferred Income Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred income tax assets:
Tax effect of unrealized losses (gains), net	$ 10,565	$ (393)
Workers' compensation claims liabilities	7,459	7,870
Deferred compensation	7,347	6,109
Operating lease liability	5,813	5,870
MCC accrual	2,173	167
Other	1,254	1,388
Equity based compensation	743	678
State credit carryforward	54	329
Customer incentives	6	12
Payroll tax deferral		749
Deferred tax assets, gross total	35,414	22,779
Less: valuation allowance		163
Deferred tax assets, net total	35,414	22,616
Deferred income tax liabilities:
Tax amortization of goodwill	(9,377)	(10,120)
Tax depreciation in excess of book depreciation	(8,914)	(7,433)
Operating lease right-of-use	(5,316)	(5,527)
Other	(367)	(1,223)
Deferred Tax Liabilities, gross total	(23,974)	(24,303)
Net deferred income taxes	$ 11,440
Net deferred income taxes		$ (1,687)