Stock-Based Compensation (Details 1) (USD $)	12 Months Ended
	Dec. 31, 2012
Shares Options outstanding, January 1, 2012 (in shares)	73,610
Shares Granted (in shares)	0
Shares Exercised (in shares)	0
Shares Forfeited (in shares)	(2,373)
Shares Options outstanding, December 31, 2012 (in shares)	71,237
Shares Options exercisable, December 31, 2012 (in shares)	61,163
Weighted Average Exercise Price Options outstanding, January 1, 2012 (in dollars per share)	$ 64.37
Weighted Average Exercise Price Granted (in dollars per share)	$ 0
Weighted Average Exercise Price Exercised (in dollars per share)	$ 0
Weighted Average Exercise Price Forfeited (in dollars per share)	$ 144.04
Weighted Average Exercise Price Options outstanding, December 31, 2012 (in dollars per share)	$ 61.72
Weighted Average Exercise Price Options exercisable, December 31, 2012 (in dollars per share)	$ 62.77
Weighted Average Remaining Life (years) Options outstanding, December 31, 2012	1 year 10 months 24 days
Weighted Average Remaining Life (years) Options exercisable, December 31, 2012	1 year 10 months 24 days
Aggregate Intrinsic Value Options outstanding, December 31, 2012	$ 0
Aggregate Intrinsic Value Options exercisable, December 31, 2012	$ 0