CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Cash flows from operating activities
Interest received	$ 54,993	$ 56,456
Fees and commissions received	17,237	18,095
Interest paid	(3,828)	(4,254)
Cash paid to suppliers and employees	(56,851)	(47,883)
Origination of loans held for sale	(135,511)	(169,052)
Proceeds from loans held for sale	130,859	190,751
Net change in other assets	(231)	1,813
Net cash provided by operating activities	6,668	45,926
Cash flows from investing activities
Maturity of securities available for sale	66,683	130,122
Maturity of securities held for investment	9,339	0
Proceeds from sale of securities available for sale	16,444	67,330
Purchase of securities available for sale	(194,951)	(208,066)
Purchase of securities held for inverstment	(27,332)	0
Net new loans and principal repayments	(87,534)	(44,474)
Proceeds from the sale of other real estate owned	3,276	8,312
Proceeds from sale of Federal Home Loan Bank and Federal Reserve Bank stock	600	753
Purchase of Federal Home Loan Bank and Federal Reserve Bank stock	(3,600)	(61)
Additions to bank premises and equipment	(2,701)	(2,233)
Net cash used in investing activities	(219,776)	(48,317)
Cash flows from financing activities
Net increase (decrease) in deposits	2,505	(60,049)
Net increase (decrease) in federal funds purchased and repurchase agreements	53,126	(2,465)
Issuance of common stock, net of related expense	24,637	0
Stock based employee benefit plans	112	144
Dividends paid on preferred shares	0	(1,875)
Net cash provided by (used in) financing activities	80,380	(64,245)
Net decrease in cash and cash equivalents	(132,728)	(66,636)
Cash and cash equivalents at beginning of period	191,624	174,987
Cash and cash equivalents at end of period	58,896	108,351
Reconciliation of net income to cash provided by operating activities
Net income	7,213	50,139
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	2,396	2,045
Amortization of premiums and discounts on securities, net	1,494	3,388
Other amortization and accretion, net	804	371
Change in loans held for sale, net	(4,652)	21,699
Provision (recapture) for loan losses	(3,604)	2,698
Gain on sale of securities	(361)	(419)
Gain on sale of loans	(624)	(471)
Losses on sale and write-downs of other real estate owned	301	1,295
Losses on disposition of fixed assets	1	2
Change in interest receivable	(707)	137
Change in interest payable	(13)	(35)
Change in prepaid expenses	(551)	4,729
Change in accrued taxes	5,534	(41,074)
Change in other assets	(231)	1,813
Change in other liabilities	(332)	(391)
Net cash provided by operating activities	6,668	45,926
Supplemental disclosure of non cash investing activities:
Transfer from loans to other real estate owned	1,672	3,307
Matured securities recorded as a receivable	416	702
Transfer from securities held for investment to securities available for sale	0	13,818
Transfer from securities available for sale to securities held for investment	158,781	0
AFS securities [Member]
Supplemental disclosure of non cash investing activities:
Fair value adjustment	$ 11,198	$ (16,527)