Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Estimated Fair Values of Financial Instruments (Detail)

v3.19.3
Fair Value Measurements - Estimated Fair Values of Financial Instruments (Detail) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Financial assets:    
Cash and due from banks $ 150,678 $ 155,376
Securities available for sale 621,815 574,908
Accrued interest receivable 11,723 13,331
Financial liabilities:    
Noninterest-bearing deposits 1,388,121 1,284,530
Interest-bearing deposits 3,302,020 3,462,705
Accrued interest payable 10,076 11,379
Carrying Amount    
Financial assets:    
Cash and due from banks 150,678 155,376
Securities available for sale 621,815 574,908
Loans held for sale 6,598 9,390
Loans and leases receivable, net of allowance for loan and lease losses 4,519,125 4,568,566
Accrued interest receivable 11,723 13,331
Financial liabilities:    
Noninterest-bearing deposits 1,388,121 1,284,530
Interest-bearing deposits 3,302,020 3,462,705
Borrowings and subordinated debentures 193,232 172,808
Accrued interest payable 10,076 11,379
Quoted Prices in Active Markets for Identical Assets | Fair Value    
Financial assets:    
Cash and due from banks 150,678 155,376
Securities available for sale   39,830
Loans held for sale 0 0
Loans and leases receivable, net of allowance for loan and lease losses 0 0
Accrued interest receivable 11,723 13,331
Financial liabilities:    
Noninterest-bearing deposits 0 0
Interest-bearing deposits 0 0
Borrowings and subordinated debentures 0 0
Accrued interest payable 10,076 11,379
Significant Observable Inputs with No Active Market with Identical Characteristics | Fair Value    
Financial assets:    
Cash and due from banks 0 0
Securities available for sale   535,078
Loans held for sale 7,078 9,905
Loans and leases receivable, net of allowance for loan and lease losses 0 0
Accrued interest receivable 0 0
Financial liabilities:    
Noninterest-bearing deposits 1,388,121 1,284,530
Interest-bearing deposits 0 0
Borrowings and subordinated debentures 195,860 98,020
Accrued interest payable 0 0
Significant Unobservable Inputs | Fair Value    
Financial assets:    
Cash and due from banks 0 0
Securities available for sale   0
Loans held for sale 0 0
Loans and leases receivable, net of allowance for loan and lease losses 4,539,227 4,518,716
Accrued interest receivable 0 0
Financial liabilities:    
Noninterest-bearing deposits 0 0
Interest-bearing deposits 3,314,224 3,458,523
Borrowings and subordinated debentures 54,939
Accrued interest payable $ 0 $ 0