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)

v3.19.2
FAIR VALUE MEASUREMENTS (Carrying Values and Estimated Fair Values of the Company's Financial Instruments) (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
ASSETS    
Cash and cash equivalents $ 320,478 $ 261,199
Securities available for sale, at fair value 1,999,494 1,774,821
HTM securities 597,575 499,501
Restricted stock 145,859 124,602
Loans held for sale 62,908 0
Net loans 12,021,785 9,534,717
Derivatives:    
Fair value hedges 284 1,872
Accrued interest receivable 58,060 46,062
Bank owned life insurance 318,734 263,034
LIABILITIES    
Deposits 12,550,655 9,989,788
Borrowings 1,879,214 1,742,038
Accrued interest payable 7,545 5,284
Derivatives:    
Interest rate swap 49,038 19,426
Cash flow hedges 9,332 4,786
Fair value hedges 6,077 1,684
Interest rate swap    
Derivatives:    
Interest rate derivative 49,038 19,426
Carrying Value    
ASSETS    
Cash and cash equivalents 320,478 261,199
Securities available for sale, at fair value 1,999,494 1,774,821
HTM securities 558,503 492,272
Restricted stock 145,859 124,602
Loans held for sale 62,908  
Net loans 12,178,051 9,675,162
Derivatives:    
Fair value hedges 284 1,872
Accrued interest receivable 58,060 46,062
Bank owned life insurance 318,734 263,034
LIABILITIES    
Deposits 12,515,544 9,970,960
Borrowings 1,909,171 1,756,278
Accrued interest payable 7,545 5,284
Derivatives:    
Interest rate swap 49,038 19,426
Cash flow hedges 9,332 4,786
Fair value hedges 6,077 1,684
Carrying Value | Interest rate swap    
Derivatives:    
Interest rate derivative 49,038 19,426
Quoted Prices in Active Markets for Identical Assets Level 1    
ASSETS    
Cash and cash equivalents 320,478 261,199
Securities available for sale, at fair value 0 0
HTM securities 0 0
Restricted stock 0 0
Loans held for sale 0  
Net loans 0 0
Derivatives:    
Fair value 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 | Interest rate swap    
Derivatives:    
Interest rate derivative 0 0
Significant Other Observable Inputs Level 2    
ASSETS    
Cash and cash equivalents 0 0
Securities available for sale, at fair value 1,999,494 1,774,821
HTM securities 579,082 499,501
Restricted stock 145,859 124,602
Loans held for sale 62,908  
Net loans 0 0
Derivatives:    
Fair value hedges 284 1,872
Accrued interest receivable 58,060 46,062
Bank owned life insurance 318,734 263,034
LIABILITIES    
Deposits 12,550,655 9,989,788
Borrowings 1,879,214 1,742,038
Accrued interest payable 7,545 5,284
Derivatives:    
Interest rate swap 49,038 19,426
Cash flow hedges 9,332 4,786
Fair value hedges 6,077 1,684
Significant Other Observable Inputs Level 2 | Interest rate swap    
Derivatives:    
Interest rate derivative 49,038 19,426
Significant Unobservable Inputs Level 3    
ASSETS    
Cash and cash equivalents 0 0
Securities available for sale, at fair value 0 0
HTM securities 18,493 0
Restricted stock 0 0
Loans held for sale 0  
Net loans 12,021,785 9,534,717
Derivatives:    
Fair value 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 | Interest rate swap    
Derivatives:    
Interest rate derivative $ 0 $ 0