Quarterly report pursuant to Section 13 or 15(d)

Loans - Summary of Loans by Class Modified as TDRs (Detail)

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Loans - Summary of Loans by Class Modified as TDRs (Detail)
$ in Thousands
12 Months Ended
Dec. 31, 2020
USD ($)
Loan
Financing Receivable, Troubled Debt Restructuring [Line Items]  
Number of Loans | Loan 5
Pre- Modification Outstanding Recorded Investment $ 4,479
Post- Modification Outstanding Recorded Investment $ 3,676
Real Estate  
Financing Receivable, Troubled Debt Restructuring [Line Items]  
Number of Loans | Loan 5
Pre- Modification Outstanding Recorded Investment $ 4,479
Post- Modification Outstanding Recorded Investment $ 3,676