Intangible Assets and Goodwill (Goodwill Information) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011
Goodwill [Line Items]
Gross Carrying Amount	$ 138,669
Accumulated Impairment Losses	(13,700)	[1]
Net Carrying Amount	124,969		115,148
MID
Goodwill [Line Items]
Gross Carrying Amount	19,905
Accumulated Impairment Losses	0	[1]
Net Carrying Amount	19,905		4,454
CTO
Goodwill [Line Items]
Gross Carrying Amount	8,070
Accumulated Impairment Losses	0	[1]
Net Carrying Amount	8,070		0
All Other
Goodwill [Line Items]
Gross Carrying Amount	110,694
Accumulated Impairment Losses	(13,700)	[1]
Net Carrying Amount	$ 96,994		$ 110,694

[1] The Company recorded a non-cash goodwill impairment charge of $13.7 million related to the LDT reporting unit asdiscussed above.