XML 96 R60.htm IDEA: XBRL DOCUMENT v3.19.3
Allowance for Loan Losses - Allowance for Loan Losses and Recorded Investment in Loans by Portfolio Segment (Detail) - USD ($)
$ in Thousands
Sep. 30, 2019
Jun. 30, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Dec. 31, 2017
Financing Receivable, Allowance for Credit Losses [Line Items]            
Total ending allowance balance $ 17,956 $ 18,305 $ 17,820 $ 17,798 $ 17,071 $ 16,394
Loans acquired with deteriorated credit quality 3,661,151   3,004,957      
Total ending loans balance 8,198     $ 8,358    
Allowance for Loan Losses [Member]            
Financing Receivable, Allowance for Credit Losses [Line Items]            
Allowance For Loan Losses, Individually evaluated for impairment 906   1,035      
Allowance For Loan Losses, Collectively evaluated for impairment 17,050   16,785      
Total ending allowance balance 17,956   17,820      
Commercial [Member] | Allowance for Loan Losses [Member]            
Financing Receivable, Allowance for Credit Losses [Line Items]            
Allowance For Loan Losses, Individually evaluated for impairment 906   1,035      
Allowance For Loan Losses, Collectively evaluated for impairment 11,176   9,460      
Total ending allowance balance 12,082   10,495      
Real Estate [Member] | Allowance for Loan Losses [Member]            
Financing Receivable, Allowance for Credit Losses [Line Items]            
Allowance For Loan Losses, Collectively evaluated for impairment 1,449   1,676      
Total ending allowance balance 1,449   1,676      
Consumer [Member] | Allowance for Loan Losses [Member]            
Financing Receivable, Allowance for Credit Losses [Line Items]            
Allowance For Loan Losses, Collectively evaluated for impairment 3,384   4,643      
Total ending allowance balance 3,384   4,643      
Loans [Member]            
Financing Receivable, Allowance for Credit Losses [Line Items]            
Loans: Individually evaluated for impairment 8,194   6,695      
Loans: Collectively evaluated for impairment 3,657,149   3,005,858      
Total ending loans balance 3,665,343   3,012,553      
Loans [Member] | Commercial [Member]            
Financing Receivable, Allowance for Credit Losses [Line Items]            
Loans: Individually evaluated for impairment 8,194   6,695      
Loans: Collectively evaluated for impairment 2,039,841   1,716,840      
Total ending loans balance 2,048,035   1,723,535      
Loans [Member] | Real Estate [Member]            
Financing Receivable, Allowance for Credit Losses [Line Items]            
Loans: Collectively evaluated for impairment 796,485   668,124      
Total ending loans balance 796,485   668,124      
Loans [Member] | Consumer [Member]            
Financing Receivable, Allowance for Credit Losses [Line Items]            
Loans: Collectively evaluated for impairment 665,192   546,774      
Total ending loans balance 665,192   546,774      
Mortgage Warehousing [Member] | Allowance for Loan Losses [Member]            
Financing Receivable, Allowance for Credit Losses [Line Items]            
Allowance For Loan Losses, Collectively evaluated for impairment 1,041   1,006      
Total ending allowance balance 1,041   1,006      
Mortgage Warehousing [Member] | Loans [Member]            
Financing Receivable, Allowance for Credit Losses [Line Items]            
Loans: Collectively evaluated for impairment 155,631   74,120      
Total ending loans balance $ 155,631   $ 74,120