XML 66 R56.htm IDEA: XBRL DOCUMENT v3.20.2
Loans Receivable and Allowance for Credit Losses (Schedule of Trouble Debt Restructuring Subsequently Defaulted) (Detail)
$ in Thousands
9 Months Ended
Sep. 30, 2020
USD ($)
SecurityLoan
Sep. 30, 2019
USD ($)
SecurityLoan
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Number of Loans | SecurityLoan 0 1
Outstanding Recorded Investment | $ $ 0 $ 578
Mortgage Portfolio    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Number of Loans | SecurityLoan 0 1
Outstanding Recorded Investment | $ $ 0 $ 578
Mortgage Portfolio | Residential    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Number of Loans | SecurityLoan 0 1
Outstanding Recorded Investment | $ $ 0 $ 578