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Income Taxes - Summary of Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Beginning Balance	$ 2,819	$ 3,882	$ 4,090
Additions for tax positions of the current year	145	119	123
Settlements of prior year positions	(282)	(16)
Lapse of statutes of limitation	(146)	(1,166)	(331)
Ending Balance	$ 2,536	$ 2,819	$ 3,882

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Amount of unrecognized tax benefits.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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