Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Operating Activities
Net Income	$ 80,500	$ 51,184
Provision for credit losses	11,032	2,834
Deferred tax expense	2,969	3,411
Depreciation and amortization	5,620	6,711
Net gains on securities and other assets	(15,816)	(3,821)
Net amortization of premiums and discounts on securities	2,343	2,685
Income from increase in cash surrender value of bank owned life insurance	(4,364)	(4,213)
Increase in interest receivable	(2,483)	(588)
Mortgage loans originated for sale	(129,552)	(116,699)
Proceeds from sale of mortgage loans	139,685	114,819
Increase in interest payable	1,672	678
(Decrease) increase in income taxes payable	(3,412)	3,288
Dividend from Unconsolidated Subsidiary	9,000	0
Other-net	(3,655)	2,963
Net cash provided by operating activities	93,539	63,252
Investing Activities
Proceeds from sale and maturity of held-to-maturity securities	37,007	36,620
Payments to acquire held-to-maturity securities	(5,506)	(101,372)
Proceeds from Sale of Available-for-sale Securities	15,939	143,660
Proceeds from maturities and redemptions of available-for-sale securities	111,800	100,620
Purchases of available-for-sale securities	(292,249)	(150,892)
Purchases of FHLB stock	(38,947)	(35,346)
Proceeds from the redemption of FHLB stock	43,754	42,791
Proceeds from Life Insurance Policy	2,140	0
Proceeds from Sale of Loans Receivable	32,745	9,986
Proceeds from sale of other assets	2,486	3,835
Payments to Acquire Businesses, Net of Cash Acquired	705	3,188
Net increase in loans	(109,060)	(132,079)
Payments for Purchase of Other Assets	(6,862)	(8,960)
Net cash used in investing activities	(206,048)	(87,949)
Financing Activities
Net increase in federal funds purchased	6,500	0
Net decrease in other short-term borrowings	(126,160)	(62,118)
Net increase in deposits	173,553	123,455
Repayments of other long-term debt	(23,443)	(440)
Repayments of Long-term Capital Lease Obligations	279	173
Proceeds from Issuance of Long-term Debt	98,026	0
Dividends paid	(25,868)	(22,717)
Proceeds from Sale of Treasury Stock	208	228
Purchase of treasury stock	(1,136)	(1,187)
Net cash provided by financing activities	101,401	37,048
Net (decrease) increase in cash and cash equivalents	(11,108)	12,351
Cash and cash equivalents at January 1	107,292	115,677
Cash and cash equivalents at September 30	$ 96,184	$ 128,028