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)

v3.5.0.2
FAIR VALUE MEASUREMENTS (Carrying Values and Estimated Fair Values of the Company's Financial Instruments) (Details) - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
ASSETS    
Cash and cash equivalents $ 217,034 $ 142,660
Securities available for sale, at fair value 949,663 903,292
Held to maturity securities 211,949 209,437
Restricted stock 62,206 51,828
Loans held for sale 38,114 36,030
Net loans 5,938,305 5,671,155
Derivatives:    
Interest rate swap 11,948 3,758
Cash flow hedges 382 946
Accrued interest receivable 21,664 20,760
Bank owned life insurance 176,413 173,687
LIABILITIES    
Deposits 6,098,700 5,957,484
Borrowings 932,278 659,364
Accrued interest payable 1,595 1,578
Derivatives:    
Interest rate swap 11,948 3,758
Cash flow hedges 17,263 10,352
Fair value hedges 3,816 888
Interest Rate Lock Commitments [Member]    
Derivatives:    
Interest rate lock commitments 1,712 701
Carrying Value [Member]    
ASSETS    
Cash and cash equivalents 217,034 142,660
Securities available for sale, at fair value 949,663 903,292
Held to maturity securities 202,917 205,374
Restricted stock 62,206 51,828
Loans held for sale 38,114 36,030
Net loans 5,906,024 5,637,415
Derivatives:    
Interest rate swap 11,948 3,758
Cash flow hedges 382 946
Accrued interest receivable 21,664 20,760
Bank owned life insurance 176,413 173,687
LIABILITIES    
Deposits 6,095,826 5,963,936
Borrowings 952,809 680,175
Accrued interest payable 1,595 1,578
Derivatives:    
Interest rate swap 11,948 3,758
Cash flow hedges 17,263 10,352
Fair value hedges 3,816 888
Carrying Value [Member] | Interest Rate Lock Commitments [Member]    
Derivatives:    
Interest rate lock commitments 1,712 701
Quoted Prices in Active Markets for Identical Assets Level 1 [Member]    
ASSETS    
Cash and cash equivalents 217,034 142,660
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:    
Interest rate swap 0 0
Cash flow hedges 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 [Member] | Interest Rate Lock Commitments [Member]    
Derivatives:    
Interest rate lock commitments 0 0
Significant Other Observable Inputs Level 2 [Member]    
ASSETS    
Cash and cash equivalents 0 0
Securities available for sale, at fair value 949,663 903,292
Held to maturity securities 211,949 209,437
Restricted stock 62,206 51,828
Loans held for sale 38,114 36,030
Net loans 0 0
Derivatives:    
Interest rate swap 11,948 3,758
Cash flow hedges 382 946
Accrued interest receivable 21,664 20,760
Bank owned life insurance 176,413 173,687
LIABILITIES    
Deposits 6,098,700 5,957,484
Borrowings 932,278 659,364
Accrued interest payable 1,595 1,578
Derivatives:    
Interest rate swap 11,948 3,758
Cash flow hedges 17,263 10,352
Fair value hedges 3,816 888
Significant Other Observable Inputs Level 2 [Member] | Interest Rate Lock Commitments [Member]    
Derivatives:    
Interest rate lock commitments 0 0
Significant Unobservable Inputs Level 3 [Member]    
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 5,938,305 5,671,155
Derivatives:    
Interest rate swap 0 0
Cash flow hedges 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
Significant Unobservable Inputs Level 3 [Member] | Interest Rate Lock Commitments [Member]    
Derivatives:    
Interest rate lock commitments $ 1,712 $ 701