Goodwill Goodwill Narrative (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Goodwill [Line Items]
Goodwill, Impairment Loss	$ 977	$ 0	$ 173,200
Incremental Goodwill Impairment Expense Determined After Close of 2013 Accounting Records [Member]
Goodwill [Line Items]
Goodwill, Impairment Loss	$ 977