Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities
Interest received	$ 17,935	$ 18,405
Fees and commissions received	5,234	5,136
Interest paid	(1,302)	(1,467)
Cash paid to suppliers and employees	(19,469)	(17,966)
Origination of loans held for sale	(35,048)	(49,323)
Proceeds from loans held for sale	37,842	61,138
Net change in other assets	638	761
Net cash provided by operating activities	5,830	16,684
Cash flows from investing activities
Maturity of securities available for sale	23,586	45,201
Proceeds from sale of securities available for sale	4,061	11,836
Purchase of securities available for sale	(41,058)	(50,327)
Net new loans and principal repayments	(9,172)	16
Proceeds from the sale of other real estate owned	1,379	1,366
Proceeds from sale of Federal Home Loan Bank and Federal Reserve Bank stock	567	620
Additions to bank premises and equipment	(1,298)	(833)
Net cash (used in) provided by investing activities	(21,935)	7,879
Cash flows from financing activities
Net increase in deposits	13,750	3,204
Net increase in federal funds purchased and repurchase agreements	4,826	24,875
Issuance of common stock, net of related expense	24,641	0
Stock based employee benefit plans	42	47
Dividends paid on preferred shares	0	(625)
Net cash provided by financing activities	43,259	27,501
Net increase in cash and cash equivalents	27,154	52,064
Cash and cash equivalents at beginning of period	191,624	174,987
Cash and cash equivalents at end of period	218,778	227,051
Reconciliation of net income to cash provided by operating activities
Net income	2,299	2,044
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	757	669
Amortization of premiums and discounts on securities, net	501	1,298
Other amortization and accretion, net	266	74
Change in loans held for sale, net	2,794	11,815
Provision for loan losses	(735)	953
Gain on sale of securities	(17)	(25)
Gain on sale of loans	(415)	(864)
Losses on sale and write-downs of other real estate owned	53	568
Losses on disposition of fixed assets	(12)	8
Change in interest receivable	(148)	(227)
Change in interest payable	(10)	(10)
Change in prepaid expenses	(236)	738
Change in accrued taxes	1,643	173
Change in other assets	638	761
Change in other liabilities	(1,548)	(1,291)
Cash flows from operating activities	5,830	16,684
Supplemental disclosure of non cash investing activities:
Fair value adjustment to securities	4,307	(629)
Transfer from loans to other real estate owned	923	863
Matured securities recorded as a receivable	492	2,339
Transfer from securities held for investment to securities available for sale	$ 0	$ 13,818