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Summary of Activity Related to Tax Contingencies Recorded As an Offset to Deferred Tax Assets (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Gross tax contingencies, beginning balance	$ 1,365	$ 1,268
Gross increases to tax positions associated with prior periods	0	0
Gross increases to current period tax positions	72	97
Gross decreases to tax positions associated with prior periods	(55)	0
Settlements	0	0
Lapse of statute of limitations	0	0
Gross tax contingencies, ending balance	$ 1,382	$ 1,365

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Amount of unrecognized tax benefits.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 45
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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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