Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Assets
Cash and due from banks	$ 26,991	$ 38,552	[1]
Interest-bearing bank balances	235,302	201,058	[1]
Investment securities:
Available-for-sale, at estimated fair value (amortized cost of $493,631 in 2013 and $558,818 in 2012)	492,355	564,850	[1]
Held-to-maturity (estimated fair value of $73,245 in 2013)	73,515	0	[1]
Loans held for sale	5,012	6,974	[1]
Loans held for investment	1,113,765	1,177,035	[1]
Less: Allowance for loan losses	(29,641)	(29,314)	[1]
Net loans held for investment	1,084,124	1,147,721	[1]
Premises and equipment, net	52,449	52,725	[1]
Other real estate owned and property acquired in settlement of loans	46,537	63,131	[1]
Core deposit premiums and other intangibles	7,445	7,495	[1]
Goodwill	4,205	4,205	[1]
Bank-owned life insurance	39,068	38,792	[1]
Other assets	26,308	26,062	[1]
Total Assets	2,093,311	2,151,565	[1]
Liabilities
Noninterest-bearing demand deposits	265,455	251,235	[1]
Interest-bearing deposits:
Demand, savings and money market deposits	899,115	892,576	[1]
Time deposits of $100,000 or more	258,165	290,166	[1]
Other time deposits	433,426	473,011	[1]
Total deposits	1,856,161	1,906,988	[1]
Retail repurchase agreements	7,301	8,675	[1]
Federal Home Loan Bank advances	58,317	58,328	[1]
Junior subordinated debentures	56,702	56,702	[1]
Other liabilities	25,456	22,427	[1]
Total Liabilities	2,003,937	2,053,120	[1]
Shareholders' Equity
Common stock, no par value; authorized 2,500,000,000 shares, issued 21,698,115 shares in 2013 and 2012	461,057	460,955	[1]
Accumulated deficit	(366,783)	(362,187)	[1]
Accumulated other comprehensive loss	(4,900)	(323)	[1]
Total Shareholders' Equity	89,374	98,445	[1]
Total Liabilities and Shareholders' Equity	2,093,311	2,151,565	[1]
Preferred stock Series A [Member]
Shareholders' Equity
Preferred stock	0	0	[1]
Preferred stock [Member]
Shareholders' Equity
Preferred stock	$ 0	$ 0	[1]

[1] Derived from audited consolidated financial statements