Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Cash flows from operating activities:
Net income	$ 15,952	$ 25,570	$ 6,214
Adjustments to reconcile net income to net cash provided by operating activities:
Amortization of investment security discounts, net	1,007	560	56
Depreciation	2,101	1,689	1,742
Intangible amortization	622	672	0
Provision for loan losses, non-covered loans	10,500	12,150	10,200
Provision for loan losses, covered loans	(450)	1,336	0
Earnings on bank owned life insurance	(311)	(226)	(154)
Net (gain) loss on sale of premises and equipment	(74)	15	(57)
Net gain on sale of non-covered other real estate owned	(62)	(20)	(68)
Net gain on sale of covered other real estate owned	(6,526)	(1,380)	0
Origination of loans held for sale	(139,264)	(134,010)	(110,557)
Proceeds from sales of loans held for sale	127,819	126,266	110,220
Valuation adjustment on non-covered other real estate owned	272	300	567
Valuation adjustment on covered other real estate owned	0	858	0
Bargain purchase gain on acquisitions	0	(19,925)	0
Deferred taxes	3,799	2,130	(1,352)
Change in FDIC indemnification asset	9,232	(1,884)	0
Stock-based compensation	623	338	306
Excess tax benefit from stock-based compensation	(1)	(8)	(6)
Net change in assets and liabilities:
Net increase in other assets	(3,288)	(2,199)	(3,717)
Net increase (decrease) in other liabilities	2,897	(14,688)	(592)
Net cash provided by (used in) operating activities	24,848	(2,456)	12,802
Cash flows from investing activities:
Purchases of investment securities, available for sale	(189,494)	(143,605)	(70,866)
Maturities/calls/principal payments of investment and mortgage-backed securities available for sale	95,306	53,947	7,717
Net decrease (increase) in non-covered loans and covered loans	85,601	32,992	(3,612)
Purchases of premises and equipment	(2,209)	(14,043)	(2,276)
Proceeds from the sale of premises and equipment	537	121	0
Proceeds from sale of non-covered other real estate owned	5,181	2,409	4,146
Proceeds from sale of covered other real estate owned	28,760	8,040	0
Capitalization of non-covered other real estate owned improvements	0	(118)	(415)
Capitalization of covered other real estate owned improvements	(697)	(282)	0
Net proceeds from FDIC indemnification asset	33,078	17,381	0
Cash acquired in merger, net of cash consideration paid	0	351,287	0
Net cash provided by (used in) investing activities	56,063	308,129	(65,306)
Cash flows from financing activities:
Net increase (decrease) in deposits	(25,876)	(262,400)	99,511
Gross payments on other borrowed funds	0	(10,000)	(20,000)
Net decrease in FHLB overnight borrowings	0	(50,152)	(11,640)
Redemption of preferred stock	(26,380)	0	0
Repurchase of common stock warrant	(1,625)	0	0
Proceeds from issuance of preferred stock	0	0	26,380
Proceeds from issuance of common stock	0	0	48,991
Proceeds from exercise of stock options	301	104	90
Excess tax benefits from stock-based compensation	1	8	6
Dividends paid on preferred stock	(38)	(1,320)	(1,265)
Dividends paid on common stock	(3,068)	(2,067)	(1,718)
Net cash provided by (used in) financing activities	(56,685)	(325,827)	140,355
Net change in cash and cash equivalents	24,226	(20,154)	87,851
Cash and cash equivalents at beginning of period	81,687	101,841	13,990
Cash and cash equivalents at end of period	105,913	81,687	101,841
Cash paid during the period for:
Interest	10,285	11,772	14,180
Income taxes	7,400	14,000	3,000
Supplemental disclosures about noncash investing and financing activities:
Change in fair value of investment securities available for sale, net of taxes	3,339	(508)	(43)
Transfer of non-covered loans to non-covered other real estate owned	3,245	2,144	6,590
Transfer of covered loans to covered other real estate owned	18,393	18,792	0
Acquisitions:
Assets acquired	0	998,302	0
Liabilities assumed	$ 0	$ 985,351	$ 0