Stock Based Compensation Plans (Option Activity) (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	$ 0	$ 0	$ 0
Stock-based compensation expense (benefit) recognized	122,000	216,000	361,000
Number of Shares [Roll Forward]
Beginning balance	16,587	23,771	25,517
Options granted	0	0	0
Options exercises	0	0	0
Options forfeited and cancelled	(3,175)	(7,184)	(1,746)
Ending balance	13,412	16,587	23,771	25,517
Weighted Average Exercise Price [Roll Forward]
Beginning balance	$ 70.95	$ 62.81	$ 63.56
Options granted	$ 0.00	$ 0.00	$ 0.00
Options exercised	$ 0.00	$ 0.00	$ 0.00
Options forfeited and cancelled	$ 49.44	$ 44.00	$ 73.72
Ending balance	$ 76.05	$ 70.95	$ 62.81	$ 63.56
Weighted Average Remaining Life	8 months 9 days	1 year 5 months 9 days	1 year 10 months 6 days	2 years 8 months 9 days
Aggregate intrinsic value	$ 0	$ 0	$ 0
$27.94 - $132.00
Weighted Average Exercise Price [Roll Forward]
Exercise price per share, lower limit	$ 44.17		$ 27.94
Exercise price per share, upper limit	$ 63.33		$ 132.00
$27.91 - $131.96
Weighted Average Exercise Price [Roll Forward]
Exercise price per share, lower limit	$ 120.83
Exercise Price Range, lower limit, options forfeited and cancelled			$ 27.91
Exercise price per share, upper limit	$ 140.00
Exercise Price Range, upper limit, options forfeited and cancelled			$ 131.96
$37.00 - $131.96
Weighted Average Exercise Price [Roll Forward]
Exercise price per share, lower limit			$ 37.00
Exercise price per share, upper limit			$ 131.96
$37.23 - $129.47
Weighted Average Exercise Price [Roll Forward]
Exercise Price Range, lower limit, options forfeited and cancelled		$ 37.23
Exercise Price Range, upper limit, options forfeited and cancelled		$ 129.47
$41.50 - $132.00
Weighted Average Exercise Price [Roll Forward]
Exercise price per share, lower limit		$ 41.50
Exercise price per share, upper limit		$ 132.00
$41.50 - $132.00
Weighted Average Exercise Price [Roll Forward]
Exercise Price Range, lower limit, options forfeited and cancelled	$ 41.50
Exercise Price Range, upper limit, options forfeited and cancelled	$ 132.00
$46.58 - $132.00
Weighted Average Exercise Price [Roll Forward]
Exercise price per share, lower limit	$ 46.58
Exercise price per share, upper limit	$ 132.00