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Summary of Activity in Goodwill (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Goodwill [Line Items]    
Beginning Balance $ 10,268 $ 10,266
Currency translation adjustment 20 15
Ending Balance 10,288 10,281
Identity    
Goodwill [Line Items]    
Beginning Balance 3,554 3,554
Ending Balance 3,554 3,554
Premises    
Goodwill [Line Items]    
Beginning Balance 6,714 6,712
Currency translation adjustment 20 15
Ending Balance $ 6,734 $ 6,727