Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
NET INCOME	$ 31,093	$ 25,682
Adjustments to reconcile net income to net cash provided by operating activities:
Net amortization of premiums, discounts and deferred loan fees and costs	2,022	2,413
Depreciation and amortization	2,693	2,080
Amortization of intangible assets	310	385
Provision for loan and lease losses	2,776	3,045
Loans originated for sale	(22,018)	(27,197)
Proceeds from sales of loans held for sale	21,328	28,931
Gains on sales of securities	0	(2,524)
Change in market value of equity securities	(33)	0
Gains on sales of loans held for sale	(546)	(869)
Gains on other real estate and other repossessed assets	(46)	(500)
Gains on sales of premises and equipment	0	(672)
Long-term debt prepayment penalty	0	2,828
Stock-based compensation	1,459	1,566
Excess tax benefits	313	582
Increase in other assets	(1,354)	(4,672)
Increase in other liabilities	5,900	1,988
NET CASH PROVIDED BY OPERATING ACTIVITIES	43,897	33,066
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from repayments and maturities of available for sale securities	43,026	43,726
Proceeds from repayments and maturities of held to maturity securities	13,720	18,624
Proceeds from sales of equity securities	1,734	0
Proceeds from sales of available for sale securities	0	4,484
Purchase of available for sale securities	(32,800)	(113,724)
Purchase of held to maturity securities	(33,235)	(9,754)
Purchase of equity securities	(409)	0
Purchase of bank owned life insurance	0	(16,000)
Proceeds from redemptions of Federal Home Loan Bank stock	2,939	3,477
Purchases of Federal Home Loan Bank stock	(6,598)	(7,278)
Net increase in loans and leases	(128,718)	(186,328)
Proceeds from sales of other real estate and repossessed assets	918	3,583
Proceeds from dispositions and sales of premises and equipment	0	1,262
Purchases of premises and equipment	(2,746)	(1,324)
NET CASH USED IN INVESTING ACTIVITIES	(142,169)	(259,252)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net increase in deposits	31,504	134,719
Increase in federal funds purchased and securities sold under agreements to repurchase	72,934	62,133
Proceeds from other borrowings	39,437	164,036
Repayments of other borrowings	(35,000)	(115,058)
Exercise of stock options	307	313
Retirement of restricted stock	(744)	(773)
Dividends paid	(10,287)	(9,303)
NET CASH PROVIDED BY FINANCING ACTIVITIES	98,151	236,067
Net (decrease) increase in cash and cash equivalents	(121)	9,881
Cash and cash equivalents, beginning of period	142,933	175,801
CASH AND CASH EQUIVALENTS, END OF PERIOD	142,812	185,682
Supplemental schedule of non-cash investing and financing activities
Cash paid during the period for income taxes	2,909	11,703
Cash paid during the period for interest	16,153	11,310
Transfer of loans and leases into other repossessed assets and other real estate owned	$ 2,214	$ 3,425