Consolidated Balance Sheets Parenthetical (USD $)	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2012
Common Stock, No Par Value	$ 0	$ 0	$ 0
Common Stock, Shares Authorized	300,000,000	300,000,000	300,000,000
Common Stock, Shares, Issued	170,179,911	115,121,731	115,121,731
Preferred Stock, Shares Authorized	7,000,000
Treasury Stock, Shares	5,134,463	5,472,915	5,481,058
Series A Preferred Stock [Member]
Preferred Stock, Shares Authorized	800,000
Series B Preferred Stock [Member]
Preferred Stock, Shares Authorized	220,000
Series A Non-Cumulative Perpetual Preferred Stock [Member]
Preferred Stock, No Par Value	$ 0	$ 0	$ 0
Preferred Stock, Shares Outstanding	100,000	0	0
Preferred Stock, Shares Authorized	115,000	0	0