Share-Based Compensation and Employee Ownership Plans Stock Options (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate	0.00%
Weighted Average Exercise Price/Share
Weighted average remaining term, options outstanding	2 years 4 months 26 days		1 year 7 months 6 days		2 years 6 months
Weighted average remaining term, options exercisable	2 years 4 months 26 days		0 years 10 months 24 days
Aggregate Intrinsic Value
Closing stock price, in dollars per share	$ 3.91		$ 2.45
Equity Plans
Shares Subject to Option
Balance outstanding, beginning of period, shares	773,763		866,428
Options granted, shares	0
Options acquired, shares	0
Options expired, shares	(473,757)		(92,665)
Balance outstanding, end of period, shares	300,006		773,763
Options exercisable, shares	300,006		623,760
Weighted Average Exercise Price/Share
Balance outstanding, beginning of period, in dollars per share	$ 12.58		$ 12.95
Options granted, in dollars per share	$ 0
Options acquired, in dollars per share	$ 0
Options expired, in dollars per share	$ 16.00		$ 16.00
Balance outstanding, end of period, in dollars per share	$ 7.19		$ 12.58
Options exercisable, in dollars per share	$ 7.19		$ 14.66
Aggregate Intrinsic Value
Balance outstanding, beginning of period	$ 0	[1]	$ 0	[1]
Balance outstanding, end of period	0	[1]	0	[1]
Options exercisable	$ 0	[1]

[1] Based on the Company's closing stock price of $3.91 on December 31, 2013 and $2.45 on December 31, 2012.