XML 115 R103.htm IDEA: XBRL DOCUMENT v3.10.0.1
Note Allowance for loan losses (Troubled debt restructurings loan count by type of modification) (Detail) - loans
 3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Troubled Debt Restructuring, Debtor, Current Period [Line Items]        
Reduction In Interest Rate 659 352 1,673 1,206
Extension of Maturity Date 61 35 192 98
Combination Interest Rate Reduction Maturity Date Extension 76 93 192 320
Other Modifications 84 132 439 545
Commercial multi-family        
Troubled Debt Restructuring, Debtor, Current Period [Line Items]        
Reduction In Interest Rate 0   0  
Extension of Maturity Date 1   2  
Combination Interest Rate Reduction Maturity Date Extension 0   0  
Other Modifications 0   0  
CRE non-owner occupied        
Troubled Debt Restructuring, Debtor, Current Period [Line Items]        
Reduction In Interest Rate 1 0 3 4
Extension of Maturity Date 3 0 14 1
Combination Interest Rate Reduction Maturity Date Extension 0 0 0 0
Other Modifications 0 0 0 0
CRE owner occupied        
Troubled Debt Restructuring, Debtor, Current Period [Line Items]        
Reduction In Interest Rate 1 0 4 3
Extension of Maturity Date 12 3 54 12
Combination Interest Rate Reduction Maturity Date Extension 0 0 0 0
Other Modifications 0 0 0 0
Commercial and industrial        
Troubled Debt Restructuring, Debtor, Current Period [Line Items]        
Reduction In Interest Rate 2 1 6 3
Extension of Maturity Date 25 15 75 36
Combination Interest Rate Reduction Maturity Date Extension 0 0 0 0
Other Modifications 0 0 0 0
Construction        
Troubled Debt Restructuring, Debtor, Current Period [Line Items]        
Reduction In Interest Rate 0   1  
Extension of Maturity Date 0   0  
Combination Interest Rate Reduction Maturity Date Extension 0   0  
Other Modifications 0   0  
Mortgages        
Troubled Debt Restructuring, Debtor, Current Period [Line Items]        
Reduction In Interest Rate 28 13 73 45
Extension of Maturity Date 7 14 17 35
Combination Interest Rate Reduction Maturity Date Extension 70 83 173 301
Other Modifications 11 16 56 116
Leasing        
Troubled Debt Restructuring, Debtor, Current Period [Line Items]        
Reduction In Interest Rate 0 0 0 0
Extension of Maturity Date 0 0 0 1
Combination Interest Rate Reduction Maturity Date Extension 3 1 4 6
Other Modifications 0 0 0 0
Credit cards        
Troubled Debt Restructuring, Debtor, Current Period [Line Items]        
Reduction In Interest Rate 115 140 426 425
Extension of Maturity Date 0 0 0 0
Combination Interest Rate Reduction Maturity Date Extension 0 4 3 5
Other Modifications 72 114 382 424
Home equity lines of credit        
Troubled Debt Restructuring, Debtor, Current Period [Line Items]        
Reduction In Interest Rate 0 0 0 0
Extension of Maturity Date 8 0 20 1
Combination Interest Rate Reduction Maturity Date Extension 1 2 8 3
Other Modifications 1 0 1 0
Personal        
Troubled Debt Restructuring, Debtor, Current Period [Line Items]        
Reduction In Interest Rate 511 187 1,139 699
Extension of Maturity Date 1 2 4 6
Combination Interest Rate Reduction Maturity Date Extension 0 1 0 1
Other Modifications 0 2 0 3
Auto Loan        
Troubled Debt Restructuring, Debtor, Current Period [Line Items]        
Reduction In Interest Rate 0 0 0 0
Extension of Maturity Date 4 1 6 5
Combination Interest Rate Reduction Maturity Date Extension 1 2 2 4
Other Modifications 0 0 0 1
Other        
Troubled Debt Restructuring, Debtor, Current Period [Line Items]        
Reduction In Interest Rate 1 11 21 27
Extension of Maturity Date 0 0 0 1
Combination Interest Rate Reduction Maturity Date Extension 1 0 2 0
Other Modifications 0 0 0 1