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Income Taxes - Components of Deferred Income Taxes (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred income tax assets:
Unearned premiums	$ 28,748	$ 27,496
Advanced premiums	2,476	2,325
Unpaid losses and LAE	2,513	2,375
Share-based compensation	3,458	4,065
Accrued wages	211	180
Allowance for uncollectible receivables	186	203
Net operating loss carryforwards	534	0
Unrealized gain/loss	890	0
Other comprehensive income	4,729	0
Other	77	0
Total deferred income tax assets	43,822	36,644
Deferred income tax liabilities:
Deferred policy acquisition costs, net	(25,361)	(26,442)
Fixed assets	(1,790)	(2,313)
Unrealized gain/loss	0	(51)
Other comprehensive income	0	(1,052)
Unpaid loss and LAE transition adjustment	(340)	(436)
Other	0	(66)
Total deferred income tax liabilities	(27,491)	(30,360)
Net deferred income tax asset	$ 16,331	$ 6,284

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