CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Operating Activities
Net income	$ 27,258	$ 23,813	$ 14,802
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	9,850	17,800	35,250
Depreciation expense	5,440	5,074	5,276
Amortization of mortgage servicing rights	1,964	1,388	1,424
Valuation allowance on mortgage servicing rights	676	(45)	(132)
Securities amortization, net	4,717	2,693	1,794
Amortization of purchased intangible assets	1,835	1,939	2,066
Earnings on cash surrender value of life insurance policies	(1,206)	(1,200)	(1,246)
Gain on life insurance benefit		(141)	(67)
Gain on sale of insurance related business line			(988)
Securities gains, net of impairment	(1,367)	(11,357)	(2,979)
Gain on loans sold	(7,068)	(3,494)	(5,152)
Loans originated for sale	(246,596)	(195,344)	(274,111)
Proceeds from loan sales	253,259	188,063	278,546
Stock based compensation expense	491	173	114
Stock portion of director retainer fee expense	338	220
Loss on sale and write-down of OREO	1,359	2,744	1,097
Prepayment penalty on FHLB advance	1,313
Change in other assets and liabilities	1,928	3,734	6,940
Net cash provided by operating activities	54,191	36,060	62,634
Investing Activities
Purchases of securities available for sale	(220,543)	(527,834)	(363,844)
Proceeds from calls, maturities, and payments on securities available for sale	131,130	120,588	157,154
Proceeds from sales of securities available for sale	64,176	366,559	111,564
Loan originations and payments, net	(15,060)	102,983	154,068
Purchases of premises and equipment	(7,387)	(6,865)	(4,660)
Proceeds from sale of OREO	12,706	16,346	8,928
Sale of insurance related business line			2,000
Purchase of life insurance policies	(10,000)
Proceeds from redemption of restricted stock	217	3,646	7,857
Proceeds from life insurance benefit		893	124
Cash received from branch acquisitions, net	5,464
Net cash provided (used) by investing activities	(39,297)	76,316	73,191
Financing Activities
Net change in deposits	(11,709)	(51,664)	(59,086)
Net change in other borrowings	8,730	(7,392)	(14,450)
Proceeds from FHLB advances	95,000	15,000
Repayment of FHLB advances	(106,688)	(15,638)	(70,200)
Cash dividends on preferred stock	(1,967)	(2,850)	(2,850)
Cash dividends on common stock	(1,623)	(807)	(805)
Repurchase of preferred shares	(40,255)
Proceeds from exercise of stock options	120
Net cash (used) by financing activities	(58,392)	(63,351)	(147,391)
Net change in cash and cash equivalents	(43,498)	49,025	(11,566)
Cash and cash equivalents, beginning of year	109,148	60,123	71,689
Cash and cash equivalents, end of year	65,650	109,148	60,123
Supplemental cash flow information
Interest paid	15,382	23,263	34,714
Income taxes paid/(refunded)	3,893	2,672	(1,675)
Supplemental non cash disclosure
Loan balances transferred to foreclosed real estate	$ 5,286	$ 23,093	$ 11,115