CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
OPERATING ACTIVITIES
Net income	$ 22,928	$ 26,163
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	5,649	2,472
Net increase (decrease) in unfunded loan commitments	35	(71)
Net depreciation, amortization and accretion	1,420	1,017
Net amortization of discounts and premiums on securities	776	796
Stock-based compensation expense	604	512
Mortgage loans originated for sale	(14,506)	(16,827)
Proceeds from the sale of mortgage loans	14,464	18,326
Gain on the sale of mortgage loans, net	(293)	(296)
Gain on the sale of majority interest of insurance business	0	(1,873)
Net (increase) decrease in interest receivable	(1,963)	336
Net decrease in interest payable	(789)	(720)
Net (increase) decrease in other assets	(3,466)	4,120
Net increase in other liabilities	5,600	3,836
Net Cash Provided by Operating Activities	30,459	37,791
INVESTING ACTIVITIES
Purchases of securities	(9,437)	(27,565)
Proceeds from maturities, prepayments and calls of securities	20,193	22,104
Net proceeds from sales (purchases) of Federal Home Loan Bank stock	9,477
Net proceeds from sales (purchases) of Federal Home Loan Bank stock		(499)
Net decrease in loans	4,760	27,717
Proceeds from sale of loans not originated for resale	465	2,060
Purchases of premises and equipment	(1,757)	(309)
Proceeds from the sale of premises and equipment	0	109
Proceeds from the sale of majority interest of insurance business	0	4,540
Net Cash Provided by Investing Activities	23,701	28,157
FINANCING ACTIVITIES
Net increase in core deposits	170,744	14,793
Net decrease in certificates of deposit	(11,241)	(55,557)
Net increase (decrease) in securities sold under repurchase agreements	5,044	(5,544)
Net decrease in short-term borrowings	(235,000)	(15,000)
Proceeds from (repayments of) long-term borrowings	104
Proceeds from (repayments of) long-term borrowings		(617)
Treasury shares issued-net	(876)	(657)
Cash dividends paid to common shareholders	(9,317)	(7,669)
Repurchase of common stock	(12,287)	0
Net Cash Used in Financing Activities	(92,829)	(70,251)
Net decrease in cash and cash equivalents	(38,669)	(4,303)
Cash and cash equivalents at beginning of period	155,489	117,152
Cash and Cash Equivalents at End of Period	116,820	112,849
Supplemental Disclosures
Loans transferred to held for sale	0	2,060
Leased right-of-use assets and lease liabilities added to the balance sheet	35,686
Interest paid	19,023	11,817
Income taxes paid, net of refunds	1,432	108
Transfer net assets to investment in insurance company partnership	0	1,917
Transfers of loans to other real estate owned	$ 80	$ 2,599