Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Assets
Cash and due from banks	$ 31,917	$ 38,552
Interest-bearing bank balances	35,513	201,058
Investment securities:
Available-for-sale, at estimated fair value (amortized cost of $438,057 in 2013 and $558,818 in 2012)	414,614	564,850
Held-to-maturity (estimated fair value of $141,125 in 2013)	151,795	0
Loans held for sale	1,836	6,974
Loans held for investment	1,212,248	1,177,035
Less: Allowance for loan losses	(26,785)	(29,314)
Net loans held for investment	1,185,463	1,147,721
Premises and equipment, net	50,889	52,725
Other real estate owned and property acquired in settlement of loans	28,395	63,131
Core deposit premiums and other intangibles	6,914	7,495
Goodwill	4,205	4,205
Bank-owned life insurance	39,940	38,792
Other assets	33,551	26,062
Total Assets	1,985,032	2,151,565
Liabilities
Noninterest-bearing demand deposits	290,461	251,235
Interest-bearing deposits:
Demand, savings and money market deposits	875,970	892,576
Time deposits of $100 or more	229,395	290,166
Other time deposits	352,879	473,011
Total deposits	1,748,705	1,906,988
Retail repurchase agreements	6,917	8,675
Federal Home Loan Bank advances	73,283	58,328
Long-term notes payable	5,263	0
Junior subordinated debentures	56,702	56,702
Other liabilities	13,801	22,427
Total Liabilities	1,904,671	2,053,120
Shareholders' Equity
Common stock, no par value; authorized 2,500,000,000 shares, issued 21,861,418 shares in 2013 and 21,698,115 in 2012	461,636	460,955
Accumulated deficit	(363,670)	(362,187)
Accumulated other comprehensive loss	(17,605)	(323)
Total Shareholders' Equity	80,361	98,445
Total Liabilities and Shareholders' Equity	1,985,032	2,151,565
Preferred stock Series A [Member]
Shareholders' Equity
Preferred stock	0	0
Preferred stock [Member]
Shareholders' Equity
Preferred stock	$ 0	$ 0