Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Additional Information (Detail)

v3.20.1
Fair Value Measurements - Additional Information (Detail)
Mar. 31, 2020
USD ($)
SecurityLoan
Fair Value, Inputs, Level 3 | Consumer Loans | Non-recurring Basis  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Loans receivable $ 1,200,000
Number of loans receivable | SecurityLoan 2
Fair Value, Inputs, Level 3 | Real estate loans | Non-recurring Basis  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Loans receivable $ 16,700,000
Number of loans receivable | SecurityLoan 13
Fair Value, Inputs, Level 3 | Construction loans | Non-recurring Basis  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Loans receivable $ 13,200,000
Number of loans receivable | SecurityLoan 1
Fair Value, Inputs, Level 3 | Residential mortgages loans | Non-recurring Basis  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Loans receivable $ 2,700,000
Number of loans receivable | SecurityLoan 5
Fair Value, Inputs, Level 3 | Commercial Term Loan | Non-recurring Basis  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Loans receivable $ 41,000
Number of loans receivable | SecurityLoan 2
Secured by Cash Collateral | Fair Value, Inputs, Level 3 | Commercial Term Loan | Non-recurring Basis  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Loans receivable $ 525,000
Number of loans receivable | SecurityLoan 1
Minimum  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Unpaid principal balance of Non-accrual Non-PCI loans reviewed individually for amount of impairment $ 250,000
Maximum  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Unpaid principal balance of Non-accrual Non-PCI loans and leases reviewed collectively for amount of impairment $ 250,000