Condensed Consolidated Statement of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities
Interest received	$ 18,405	$ 20,470
Fees and commissions received	5,136	4,855
Interest paid	(1,467)	(3,063)
Cash paid to suppliers and employees	(17,966)	(18,566)
Origination of loans held for sale	(49,323)	(32,266)
Proceeds from loans held for sale	61,138	30,847
Net change in other assets	761	(530)
Net cash provided by operating activities	16,684	1,747
Cash flows from investing activities
Maturity of securities available for sale	45,201	28,639
Maturity of securities held for investment	0	1,623
Proceeds from sale of securities available for sale	11,836	111,717
Purchase of securities available for sale	(50,327)	(60,818)
Purchase of securities held for investment	0	(500)
Net new loans and principal repayments	16	(13,367)
Proceeds from the sale of other real estate owned	1,366	5,274
Proceeds from sale of Federal Home Loan Bank and Federal Reserve Bank stock	620	0
Purchase of Federal Home Loan Bank and Federal Reserve Bank stock	0	(6)
Additions to bank premises and equipment	(833)	(569)
Net cash (used in) provided by investing activities	7,879	71,993
Cash flows from financing activities
Net increase in deposits	3,204	18,723
Net increase in federal funds purchased and repurchase agreements	24,875	13,064
Stock based employee benefit plans	47	51
Dividends paid on preferred shares	(625)	(625)
Net cash provided by financing activities	27,501	31,213
Net increase in cash and cash equivalents	52,064	104,953
Cash and cash equivalents at beginning of period	174,987	167,081
Cash and cash equivalents at end of period	227,051	272,034
Reconciliation of net income to cash provided by operating activities
Net income	2,044	938
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	669	668
Amortization of premiums and discounts on securities, net	1,298	973
Other amortization and accretion, net	74	93
Change in loans held for sale, net	11,815	(1,419)
Provision for loan losses	953	2,305
Gain on sale of securities	(25)	(3,374)
Unrealized gain on loans available for sale	(864)	(163)
Losses on sale and write-downs of other real estate owned	568	2,039
Losses on disposition of fixed assets	8	2
Change in interest receivable	(227)	255
Change in interest payable	(10)	(355)
Change in prepaid expenses	738	680
Change in accrued taxes	173	214
Change in other assets	761	(530)
Change in other liabilities	(1,291)	(579)
Net cash provided by operating activities	16,684	1,747
Supplemental disclosure of non cash investing activities:
Fair value adjustment to securities	(629)	470
Transfer from loans to other real estate owned	863	1,964
Matured securities recorded as a receivable	2,339	763
Transfer from securities held for investment to securities available for sale	$ 13,818	$ 0