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Debt Securities (Detail)
$ in Thousands
Dec. 31, 2021
USD ($)
Available-for-sale Securities, Debt Maturities [Abstract]  
Amortized cost, after 1 to 5 years $ 2,963
Gross unrealized gains, after 1 to 5 years 78
Gross unrealized losses, after 1 to 5 years 0
Fair Value, after 1 to 5 years $ 3,041