CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Operating Activities
Net income	$ 18,947	$ 19,979
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	3,734	7,600
Depreciation expense	4,309	4,057
Securities amortization, net	2,505	3,506
Stock based compensation expense	502	312
Stock portion of director retainer fee expense	282	250
Amortization of purchased intangible assets	1,413	1,345
Amortization of mortgage servicing rights	1,232	1,426
Earnings on cash surrender value of life insurance policies	(1,042)	(860)
(Recovery)/additional impairment of valuation allowance on mortgage servicing rights	(650)	451
Prepayment penalty on FHLB advance	2,239	1,313
Securities gains, net of impairment	(835)	(1,367)
Loss on sale and write-down of OREO	356	385
Gain on loans sold	(4,716)	(4,144)
Loans originated for sale	(185,631)	(162,764)
Proceeds from loan sales	201,484	159,599
Change in other assets and liabilities	5,146	1,118
Net cash provided by operating activities	49,275	32,206
Investing Activities
Purchases of securities available for sale	(203,148)	(177,484)
Proceeds from calls, maturities, and payments on securities available for sale	101,427	93,128
Proceeds from sales of securities available for sale	79,136	64,176
Proceeds from sale of OREO	4,441	9,519
Loan originations and payment, net	(68,623)	(13,605)
Purchases of premises and equipment	(6,787)	(2,926)
Purchase of life insurance policies	(504)	(10,000)
Cash paid for agency acquisition		(1,600)
Proceeds from redemption of restricted stock	9	214
Net cash used by investing activities	(94,049)	(38,578)
Financing Activities
Net change in deposits	(17,212)	(76,882)
Net change in other borrowings	(4,084)	21,944
Repayment of FHLB advances	(326,000)	(26,621)
Proceeds from FHLB advances	430,000	75,000
Purchase of treasury shares	(204)
Proceeds from exercise of stock options	383	120
Repurchase of preferred stock	(15,100)	(21,324)
Cash dividends on preferred stock	(470)	(1,582)
Cash dividends on common stock	(4,075)	(1,014)
Net cash provided/(used) by financing activities	63,238	(30,359)
Net change in cash and cash equivalents	18,464	(36,731)
Cash and cash equivalents, beginning of year	65,650	109,148
Cash and cash equivalents, end of period	84,114	72,417
Supplemental cash flow information
Interest paid	8,028	12,222
Income tax paid	1,380	3,078
Supplemental non cash disclosure
Loan balances transferred to foreclosed real estate	$ 2,904	$ 4,125