XML 120 R109.htm IDEA: XBRL DOCUMENT v3.19.2
ALLOWANCE FOR LOAN AND LEASE LOSSES - Changes in Allowance for Loan and Lease Losses (Parenthetical) (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 31, 2018
Jun. 30, 2019
Jun. 30, 2018
Financing Receivable Allowance For Credit Losses [Line Items]      
Loans held for investment transferred to held for sale   $ 10,114 $ 69,851
Nonperforming Financing Receivable [Member]      
Financing Receivable Allowance For Credit Losses [Line Items]      
Loans held for investment transferred to held for sale     57,200
Charge Offs Loans Held For Sale     $ 9,700
Nonperforming Financing Receivable [Member] | Loans Tranferred To Held For Sale [Member] | Commercial Portfolio Segment [Member]      
Financing Receivable Allowance For Credit Losses [Line Items]      
Loans held for investment transferred to held for sale $ 57,200    
Charge Offs Loans Held For Sale 9,700    
Charge Offs Loans Held For Sale Previously Established Reserve 4,100    
Provision Loans Transferred to Held for Sale 5,600    
Nonperforming Financing Receivable [Member] | Loans Tranferred To Held For Sale [Member] | Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]      
Financing Receivable Allowance For Credit Losses [Line Items]      
Loans held for investment transferred to held for sale 27,200    
Charge Offs Loans Held For Sale 4,600    
Nonperforming Financing Receivable [Member] | Loans Tranferred To Held For Sale [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]      
Financing Receivable Allowance For Credit Losses [Line Items]      
Loans held for investment transferred to held for sale 30,000    
Charge Offs Loans Held For Sale $ 5,100