Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Operating Activities
Net Income	$ 27,668	$ 24,228
Adjustment to reconcile net income to net cash provided by operating activities:
Provision for credit losses	4,197	6,548
Deferred tax expense	7,102	4,918
Depreciation and amortization	3,802	8,436
Net gains on securities and other assets	(235)	(2,843)
Net amortization of premiums and discounts on securities	1,151	1,000
Net accretion of premiums and discounts on long term debt	0	(37)
Income from increase in cash surrender value of bank owned life insurance	(2,732)	(2,576)
Decrease in interest receivable	74	668
Mortgage loans originated for sale	(39,941)	0
Proceeds from sale of mortgage loans	36,079	0
Decrease in interest payable	(200)	(288)
Increase in income taxes payable	503	998
Other-net	(14,817)	5,685
Net cash provided by operating activities	22,651	46,737
Investing Activities
Proceeds from sale and maturity of held-to-maturity securities	1,115	0
Payments to acquire held-to-maturity securities	(131,145)	0
Proceeds from maturities and redemptions of available-for-sale securities	235,971	152,846
Purchases of available-for-sale securities	(10,800)	(153,310)
Purchases of FHLB stock	(29,251)	(18,659)
Proceeds from the redemption of FHLB stock	20,449	10,025
Proceeds from bank owned life insurance	294	939
Proceeds from sale of loans	102	3,112
Proceeds from sale of other assets	2,282	9,500
Net increase in loans	(48,785)	(66,085)
Purchases of premises and equipment	(2,521)	(6,229)
Net cash provided by (used in) investing activities	37,711	(67,861)
Financing Activities
Net increase in federal funds purchased	15,000	13,000
Net increase in other short-term borrowings	111,041	206,259
Net decrease in deposits	(105,404)	(143,441)
Repayments of other long-term debt	(50,270)	(7,675)
Discount on dividend reinvestment plan purchases	0	(65)
Dividends paid	(12,635)	(13,205)
Proceeds from reissuance of treasury stock	192	192
Purchase of treasury stock	(25,383)	(13,369)
Net cash (used in) provided by financing activities	(67,459)	41,696
Net (decrease) increase in cash and cash equivalents	(7,097)	20,572
Cash and cash equivalents at January 1	74,538	77,439
Cash and cash equivalents at June 30	$ 67,441	$ 98,011