XML 68 R53.htm IDEA: XBRL DOCUMENT v3.19.1
Loans - Impaired Loans, Segregated by Class of Loans (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Financing Receivable, Impaired [Line Items]    
Unpaid Principal Balance $ 12,023 $ 5,919
Recorded Investment With No Allowance 6,540 0
Recorded Investment With Allowance 3,766 4,396
Total Recorded Investment 10,306 4,396
Related Allowance 401 443
Average Recorded Investment 7,352 5,647
Commercial Real Estate Portfolio Segment [Member]    
Financing Receivable, Impaired [Line Items]    
Unpaid Principal Balance 12,023 5,919
Recorded Investment With No Allowance 6,540 0
Recorded Investment With Allowance 3,766 4,396
Total Recorded Investment 10,306 4,396
Related Allowance 401 443
Average Recorded Investment 7,352 5,647
Commercial Real Estate Portfolio Segment [Member] | Land Development And Construction Loans [Member]    
Financing Receivable, Impaired [Line Items]    
Unpaid Principal Balance 0 0
Recorded Investment With No Allowance 0 0
Recorded Investment With Allowance 0 0
Total Recorded Investment 0 0
Related Allowance 0 0
Average Recorded Investment 0 0
Commercial Real Estate Portfolio Segment [Member] | Farmland Loan [Member]    
Financing Receivable, Impaired [Line Items]    
Unpaid Principal Balance 269 0
Recorded Investment With No Allowance 269 0
Recorded Investment With Allowance 0 0
Total Recorded Investment 269 0
Related Allowance 0 0
Average Recorded Investment 135 62
Commercial Real Estate Portfolio Segment [Member] | 1-4 Family Mortgages [Member]    
Financing Receivable, Impaired [Line Items]    
Unpaid Principal Balance 1,153 303
Recorded Investment With No Allowance 1,062 0
Recorded Investment With Allowance 91 303
Total Recorded Investment 1,153 303
Related Allowance 27 46
Average Recorded Investment 728 875
Commercial Real Estate Portfolio Segment [Member] | Real Estate Loan [Member]    
Financing Receivable, Impaired [Line Items]    
Unpaid Principal Balance 10,601 5,616
Recorded Investment With No Allowance 5,209 0
Recorded Investment With Allowance 3,675 4,093
Total Recorded Investment 8,884 4,093
Related Allowance 374 397
Average Recorded Investment $ 6,489 $ 4,710