XML 60 R48.htm IDEA: XBRL DOCUMENT v3.19.1
Loans - Summary of Information Regarding Impaired Loans (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Financing Receivable, Impaired [Line Items]    
Recorded Investment $ 97 $ 378
Recorded Investment 2,377 4,417
Principal Balance 97 392
Principal Balance 2,693 4,706
Related Allowance 12 230
Average Investment 278 394
Average Investment 2,552 4,865
Interest Recognized 3 15
Interest Recognized 70 255
Recorded Investment 2,280 4,039
Principal Balance 2,596 4,314
Average Investment 2,274 4,471
Interest Recognized 67 240
Commercial Real Estate [Member]    
Financing Receivable, Impaired [Line Items]    
Recorded Investment 701 2,024
Principal Balance 701 2,024
Average Investment 658 2,192
Interest Recognized 40 148
Commercial Land development [Member]    
Financing Receivable, Impaired [Line Items]    
Recorded Investment 303 303
Principal Balance 303 303
Average Investment 303 303
Commercial Other [Member]    
Financing Receivable, Impaired [Line Items]    
Recorded Investment 161 202
Principal Balance 161 202
Average Investment 46 138
Interest Recognized 2 3
Residential real estate and consumer First mortgage [Member]    
Financing Receivable, Impaired [Line Items]    
Recorded Investment 91 378
Principal Balance 91 392
Related Allowance 6 230
Average Investment 154 394
Interest Recognized 3 15
Recorded Investment 1,085 1,510
Principal Balance 1,375 1,785
Average Investment 1,235 1,838
Interest Recognized 25 $ 89
Residential real estate and consumer Home equity and lines of credit    
Financing Receivable, Impaired [Line Items]    
Recorded Investment 6  
Principal Balance 6  
Related Allowance 6  
Average Investment 124  
Interest Recognized 0  
Recorded Investment 30  
Principal Balance 56  
Average Investment $ 32