Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012
ASSETS
Cash and due from banks, noninterest-bearing	$ 73,205	$ 96,588	$ 58,001
Due from banks, interest-bearing	242,890	144,919	234,137
Federal funds sold	249		1,203
Total cash and cash equivalents	316,344	241,507	293,341
Securities available for sale	170,214	167,352	159,182
Securities held to maturity (fair values of $60,758, $61,496, and $61,226)	55,649	56,064	57,066
Presold mortgages in process of settlement	4,584	8,490	7,003
Loans - non-covered	2,132,683	2,094,143	2,094,524
Loans - covered by FDIC loss share agreement	263,468	282,314	342,100
Total loans	2,396,151	2,376,457	2,436,624
Allowance for loan losses - non-covered	(44,761)	(41,643)	(46,455)
Allowance for loan losses - covered	(5,028)	(4,759)	(6,372)
Total allowance for loan losses	(49,789)	(46,402)	(52,827)
Net loans	2,346,362	2,330,055	2,383,797
Loans held for sale		30,393
Premises and equipment	77,823	74,371	72,343
Accrued interest receivable	9,737	10,201	10,969
FDIC indemnification asset	100,594	102,559	113,405
Goodwill	65,835	65,835	65,835
Other intangible assets	3,495	3,108	3,675
Foreclosed real estate - non-covered	20,115	26,285	36,838
Foreclosed real estate - covered	30,156	47,290	79,535
Bank-owned life insurance	28,065	27,857	2,219
Other assets	51,972	53,543	51,798
Total assets	3,280,945	3,244,910	3,337,006
LIABILITIES
Deposits: Noninterest bearing checking accounts	429,202	413,195	371,293
Interest bearing checking accounts	539,270	519,573	468,691
Money market accounts	575,766	556,354	526,684
Savings accounts	166,510	158,578	157,619
Time deposits of $100,000 or more	649,714	664,330	738,839
Other time deposits	497,105	509,330	567,933
Total deposits	2,857,567	2,821,360	2,831,059
Borrowings	46,394	46,394	133,894
Accrued interest payable	1,118	1,299	1,659
Other liabilities	18,634	19,740	31,963
Total liabilities	2,923,713	2,888,793	2,998,575
Commitments and contingencies
SHAREHOLDERS' EQUITY
Preferred stock, no par value per share. Authorized: 5,000,000 shares Series B issued & outstanding: 63,500, 63,500, and 63,500 shares Series C, convertible, issued & outstanding: 728,706, 728,706, and 0 shares	70,787	70,787	63,500
Common stock, no par value per share. Authorized: 40,000,000 shares Issued & outstanding: 19,669,302, 19,669,302, and 16,937,641 shares	131,896	131,877	105,068
Retained earnings	154,911	153,629	178,195
Accumulated other comprehensive income (loss)	(362)	(176)	(8,332)
Total shareholders' equity	357,232	356,117	338,431
Total liabilities and shareholders' equity	3,280,945	3,244,910	3,337,006
Series B
SHAREHOLDERS' EQUITY
Preferred stock, no par value per share. Authorized: 5,000,000 shares Series B issued & outstanding: 63,500, 63,500, and 63,500 shares Series C, convertible, issued & outstanding: 728,706, 728,706, and 0 shares	63,500	63,500	63,500
Series C
SHAREHOLDERS' EQUITY
Preferred stock, no par value per share. Authorized: 5,000,000 shares Series B issued & outstanding: 63,500, 63,500, and 63,500 shares Series C, convertible, issued & outstanding: 728,706, 728,706, and 0 shares	$ 7,287	$ 7,287