Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Operating Activities
Net Income	$ 78,513	$ 80,500
Provision for credit losses	9,638	11,032
Deferred tax expense	2,613	2,969
Depreciation and amortization	7,777	5,620
Net gains on securities and other assets	(8,545)	(15,816)
Net amortization of premiums and discounts on securities	2,871	2,343
Income from increase in cash surrender value of bank owned life insurance	(4,405)	(4,364)
Increase in interest receivable	(110)	(2,483)
Mortgage loans originated for sale	(178,911)	(129,552)
Proceeds from sale of mortgage loans	173,961	139,685
Increase in interest payable	1,180	1,672
Decrease in income taxes payable	(556)	(3,412)
Distribution from unconsolidated subsidiary	0	9,000
Other-net	(7,193)	(3,655)
Net cash provided by operating activities	76,833	93,539
Investing Activities
Proceeds from sale and maturity of held-to-maturity securities	35,163	37,007
Payments to acquire held-to-maturity securities	(200)	(5,506)
Proceeds from Sale of Available-for-sale Securities	0	15,939
Proceeds from maturities and redemptions of available-for-sale securities	134,453	111,800
Purchases of available-for-sale securities	(17,401)	(292,249)
Purchases of FHLB stock	(29,538)	(38,947)
Proceeds from the redemption of FHLB stock	50,103	43,754
Proceeds from Life Insurance Policy	0	2,140
Proceeds from Sale of Loans Receivable	28,098	32,745
Proceeds from sale of other assets	5,390	2,486
Acquisition, net of cash acquired	332,465	705
Net increase in loans	(256,168)	(109,060)
Payments for Purchase of Other Assets	(14,060)	(6,862)
Net cash provided by (used in) investing activities	268,305	(206,048)
Financing Activities
Net (decrease) increase in federal funds purchased	(4,000)	6,500
Net decrease in other short-term borrowings	(634,088)	(126,160)
Net increase in deposits	308,976	173,553
Repayments of other long-term debt	(473)	(23,443)
Repayments of Long-term Capital Lease Obligations	300	279
Proceeds from Issuance of Long-term Debt	50,000	98,026
Dividends paid	(29,562)	(25,868)
Proceeds from reissuance of treasury stock	211	208
Purchase of treasury stock	(6,200)	(1,136)
Net cash (used in) provided by financing activities	(315,436)	101,401
Net increase (decrease) in cash and cash equivalents	29,702	(11,108)
Cash and cash equivalents at January 1	98,947	107,292
Cash and cash equivalents at September 30	$ 128,649	$ 96,184