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Employee Benefit Plans - Schedule of Pension plan's assets by asset type (Detail) - Pension Plan [Member]
$ in Thousands
Dec. 31, 2021
USD ($)
Equity Funds [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Mutual funds $ 869
Percentage of Asset type 75.00%
Fixed Income Funds [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Mutual funds $ 290
Percentage of Asset type 25.00%
Mutual Funds [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Mutual funds $ 1,159
Percentage of Asset type 100.00%