Annual report pursuant to Section 13 and 15(d)

Summary of Unrecognized Tax Benefits (Detail)

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Summary of Unrecognized Tax Benefits (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Income Tax Disclosure [Abstract]      
Begining Balance $ 509 $ 509 $ 509
Additions for tax positions related to the prior year 0 0 0
Lapse of statute of limitations (159) 0 0
Ending Balance $ 350 $ 509 $ 509