Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Assets
Cash and due from banks	$ 30,377	$ 31,917	[1]
Interest-bearing bank balances	40,100	35,513	[1]
Investment securities:
Available-for-sale, at estimated fair value (amortized cost of $409,715 in 2014 and $438,057 in 2013)	399,110	414,614	[1]
Held-to-maturity, at amortized cost (estimated fair value of $142,288 in 2014 and $141,125 in 2013)	147,055	151,795	[1]
Loans held for sale	1,765	1,836	[1]
Loans held for investment	1,269,865	1,212,248	[1]
Less: Allowance for loan losses	(23,975)	(26,785)	[1]
Net loans held for investment	1,245,890	1,185,463	[1]
Premises and equipment, net	47,855	50,889	[1]
Other real estate owned and property acquired in settlement of loans	21,871	28,395	[1]
Core deposit premiums and other intangibles	6,296	6,914	[1]
Goodwill	4,205	4,205	[1]
Bank-owned life insurance	40,504	39,940	[1]
Other assets	28,485	33,551	[1]
Total Assets	2,013,513	1,985,032	[1]
Liabilities
Noninterest-bearing demand deposits	321,829	290,461	[1]
Interest-bearing deposits:
Demand, savings and money market deposits	850,514	875,970	[1]
Time deposits of $100 or more	241,844	229,395	[1]
Other time deposits	349,578	352,879	[1]
Total deposits	1,763,765	1,748,705	[1]
Retail repurchase agreements	8,333	6,917	[1]
Federal Home Loan Bank advances	73,259	73,283	[1]
Long-term notes payable	5,300	5,263	[1]
Junior subordinated debentures	56,702	56,702	[1]
Other liabilities	13,457	13,801	[1]
Total Liabilities	1,920,816	1,904,671	[1]
Shareholders' Equity
Common stock, no par value; authorized 2,500,000,000 shares, issued 21,738,699 shares in 2014 and 21,861,418 in 2013	462,206	461,636	[1]
Accumulated deficit	(359,601)	(363,670)	[1]
Accumulated other comprehensive loss	(9,908)	(17,605)	[1]
Total Shareholders' Equity	92,697	80,361	[1]
Total Liabilities and Shareholders' Equity	2,013,513	1,985,032	[1]
Preferred stock Series A [Member]
Shareholders' Equity
Preferred stock	0	0	[1]
Preferred Stock Series B [Member]
Shareholders' Equity
Preferred stock	$ 0	$ 0	[1]

[1] Derived from audited consolidated financial statements