Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE MEASUREMENTS (Carrying Values and Estimated Fair Values of the Company's Financial Instruments) (Details)

v3.7.0.1
FAIR VALUE MEASUREMENTS (Carrying Values and Estimated Fair Values of the Company's Financial Instruments) (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
ASSETS    
Cash and cash equivalents $ 181,910 $ 179,237
Securities available for sale, at fair value 960,537 946,764
Held to maturity securities 211,446 202,315
Restricted stock 69,631 60,782
Loans held for sale 41,135 36,487
Net loans 6,745,405 6,265,443
Derivatives:    
Cash flow hedges 153 211
Fair value hedges 1,282 1,437
Best efforts forward delivery commitments 235 1,469
Accrued interest receivable 23,801 23,448
Bank owned life insurance 180,110 179,318
LIABILITIES    
Deposits 6,756,022 6,370,457
Borrowings 1,051,143 970,195
Accrued interest payable 2,196 2,230
Derivatives:    
Interest rate swap 2,770 1,005
Cash flow hedges 9,995 9,619
Fair value hedges 368 296
Interest Rate Swap    
Derivatives:    
Interest rate swap 2,770 1,005
Interest Rate Lock Commitments    
Derivatives:    
Interest rate lock commitments 724 610
Carrying Value    
ASSETS    
Cash and cash equivalents 181,910 179,237
Securities available for sale, at fair value 960,537 946,764
Held to maturity securities 205,630 201,526
Restricted stock 69,631 60,782
Loans held for sale 41,135 36,487
Net loans 6,733,276 6,269,868
Derivatives:    
Cash flow hedges 153 211
Fair value hedges 1,282 1,437
Best efforts forward delivery commitments 235 1,469
Accrued interest receivable 23,801 23,448
Bank owned life insurance 180,110 179,318
LIABILITIES    
Deposits 6,764,434 6,379,489
Borrowings 1,070,803 990,089
Accrued interest payable 2,196 2,320
Derivatives:    
Interest rate swap 2,770 1,005
Cash flow hedges 9,995 9,619
Fair value hedges 368 296
Carrying Value | Interest Rate Swap    
Derivatives:    
Interest rate swap 2,770 1,005
Carrying Value | Interest Rate Lock Commitments    
Derivatives:    
Interest rate lock commitments 724 610
Quoted Prices in Active Markets for Identical Assets Level 1    
ASSETS    
Cash and cash equivalents 181,910 179,237
Securities available for sale, at fair value 0 0
Held to maturity securities 0 0
Restricted stock 0 0
Loans held for sale 0 0
Net loans 0 0
Derivatives:    
Cash flow hedges 0 0
Fair value hedges 0 0
Best efforts forward delivery commitments 0 0
Accrued interest receivable 0 0
Bank owned life insurance 0 0
LIABILITIES    
Deposits 0 0
Borrowings 0 0
Accrued interest payable 0 0
Derivatives:    
Interest rate swap 0 0
Cash flow hedges 0 0
Fair value hedges 0 0
Quoted Prices in Active Markets for Identical Assets Level 1 | Interest Rate Swap    
Derivatives:    
Interest rate swap 0 0
Quoted Prices in Active Markets for Identical Assets Level 1 | Interest Rate Lock Commitments    
Derivatives:    
Interest rate lock commitments 0 0
Significant Other Observable Inputs Level 2    
ASSETS    
Cash and cash equivalents 0 0
Securities available for sale, at fair value 960,537 946,764
Held to maturity securities 211,446 202,315
Restricted stock 69,631 60,782
Loans held for sale 41,135 36,487
Net loans 0 0
Derivatives:    
Cash flow hedges 153 211
Fair value hedges 1,282 1,437
Best efforts forward delivery commitments 0 0
Accrued interest receivable 23,801 23,448
Bank owned life insurance 180,110 179,318
LIABILITIES    
Deposits 6,756,022 6,370,457
Borrowings 1,051,143 970,195
Accrued interest payable 2,196 2,230
Derivatives:    
Interest rate swap 2,770 1,005
Cash flow hedges 9,995 9,619
Fair value hedges 368 296
Significant Other Observable Inputs Level 2 | Interest Rate Swap    
Derivatives:    
Interest rate swap 2,770 1,005
Significant Other Observable Inputs Level 2 | Interest Rate Lock Commitments    
Derivatives:    
Interest rate lock commitments 0 0
Significant Unobservable Inputs Level 3    
ASSETS    
Cash and cash equivalents 0 0
Securities available for sale, at fair value 0 0
Held to maturity securities 0 0
Restricted stock 0 0
Loans held for sale 0 0
Net loans 6,745,405 6,265,443
Derivatives:    
Cash flow hedges 0 0
Fair value hedges 0 0
Best efforts forward delivery commitments 235 1,469
Accrued interest receivable 0 0
Bank owned life insurance 0 0
LIABILITIES    
Deposits 0 0
Borrowings 0 0
Accrued interest payable 0 0
Derivatives:    
Interest rate swap 0 0
Cash flow hedges 0 0
Fair value hedges 0 0
Significant Unobservable Inputs Level 3 | Interest Rate Swap    
Derivatives:    
Interest rate swap 0 0
Significant Unobservable Inputs Level 3 | Interest Rate Lock Commitments    
Derivatives:    
Interest rate lock commitments $ 724 $ 610