CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Allowance for loan losses	$ 32,143	$ 26,977
Common stock, par value per share	$ 1	$ 1
Common stock, shares authorized	100,000,000,000	100,000,000,000
Common stock, shares issued	18,514,271,000	13,052,583,000
Common stock, shares outstanding	18,514,271,000	13,052,583,000
Convertible Preferred Stock Series C [Member]
Preferred stock, par value	$ 0	$ 0
Preferred stock, share authorized	1,680,219,000	1,680,219,000
Preferred stock, share issued	364,983,000	916,841,000
Preferred stock, share outstanding	364,983,000	916,841,000
Series D Preferred Stock [Member]
Preferred stock, par value	$ 0	$ 0
Preferred stock, share authorized	37,935,000	37,935,000
Preferred stock, share issued	37,935,000	37,935,000
Preferred stock, share outstanding	37,935,000	37,935,000