25. Stock Options (Details) (USD $)	12 Months Ended
	Dec. 31, 2012
Shares
Options outstanding at December 31, 2011	28,887
Options granted
Options exercised	(8,163)
Options expired or cancelled	(6,082)
Options outstanding at December 31, 2012	14,642
Options exercisable at December 31, 2012	14,642
Weighted Average Exercise Price
Options outstanding at December 31, 2011	$ 13.29
Options granted
Options exercised
Options expired or cancelled
Options outstanding at December 31, 2012	$ 19.67
Options exercisable at December 31, 2012	$ 19.67
Weighted Average Remaining Contractual Life
Options outstanding at December 31, 2012	10 months 24 days
Options exercisable at December 31, 2012	10 months 24 days
Aggregate Intrinisic Value
Options outstanding at December 31, 2012
Options exercisable at December 31, 2012