Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.1
Fair Value Measurements - Estimated Fair Values of Financial Instruments (Detail) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Financial assets:    
Cash and due from banks $ 169,830 $ 155,376
Securities available for sale 621,470 574,908
Accrued interest receivable 13,397 13,331
Financial liabilities:    
Noninterest-bearing deposits 1,316,114 1,284,530
Interest-bearing deposits 3,504,061 3,462,705
Accrued interest payable 14,437 11,379
Carrying Amount    
Financial assets:    
Cash and due from banks 169,830 155,376
Securities available for sale 621,470 574,908
Loans held for sale 7,140 9,390
Loans and leases receivable, net of allowance for loan and lease losses 4,542,724 4,568,566
Accrued interest receivable 13,397 13,331
FHLB stock 16,385 16,385
Financial liabilities:    
Noninterest-bearing deposits 1,316,114 1,284,530
Interest-bearing deposits 3,504,061 3,462,705
Borrowings and subordinated debentures 117,947 172,808
Accrued interest payable 14,437 11,379
Off-balance sheet items:    
Commitments to extend credit 270,051 325,100
Carrying Amount | Standby letters of credit    
Off-balance sheet items:    
Letters of credit 30,597 32,500
Carrying Amount | Commercial letters of credit    
Off-balance sheet items:    
Letters of credit 11,920 13,848
Quoted Prices in Active Markets for Identical Assets | Fair Value    
Financial assets:    
Cash and due from banks 169,830 155,376
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 13,397 13,331
FHLB stock 0 0
Financial liabilities:    
Noninterest-bearing deposits 0 0
Interest-bearing deposits 0 0
Borrowings and subordinated debentures 0 0
Accrued interest payable 14,437 11,379
Off-balance sheet items:    
Commitments to extend credit 0 0
Quoted Prices in Active Markets for Identical Assets | Fair Value | Standby letters of credit    
Off-balance sheet items:    
Letters of credit 0 0
Quoted Prices in Active Markets for Identical Assets | Fair Value | Commercial letters of credit    
Off-balance sheet items:    
Letters of credit 0 0
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 7,576 9,905
Loans and leases receivable, net of allowance for loan and lease losses 0 0
Accrued interest receivable 0 0
FHLB stock 16,385 16,385
Financial liabilities:    
Noninterest-bearing deposits 1,316,114 1,284,530
Interest-bearing deposits 0 0
Borrowings and subordinated debentures 117,459 98,020
Accrued interest payable 0 0
Off-balance sheet items:    
Commitments to extend credit 0 0
Significant Observable Inputs with No Active Market with Identical Characteristics | Fair Value | Standby letters of credit    
Off-balance sheet items:    
Letters of credit 0 0
Significant Observable Inputs with No Active Market with Identical Characteristics | Fair Value | Commercial letters of credit    
Off-balance sheet items:    
Letters of credit 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 4,522,306 4,518,716
Accrued interest receivable 0 0
FHLB stock 0 0
Financial liabilities:    
Noninterest-bearing deposits 0 0
Interest-bearing deposits 3,514,296 3,458,523
Borrowings and subordinated debentures 0 54,939
Accrued interest payable 0 0
Off-balance sheet items:    
Commitments to extend credit 270,051 325,100
Significant Unobservable Inputs | Fair Value | Standby letters of credit    
Off-balance sheet items:    
Letters of credit 30,597 32,500
Significant Unobservable Inputs | Fair Value | Commercial letters of credit    
Off-balance sheet items:    
Letters of credit $ 11,920 $ 13,848