Prior Period Revision (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			9 Months Ended			12 Months Ended
	Sep. 30, 2014	Dec. 31, 2013 item	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014 Maximum [Member]	Dec. 31, 2013 Restatement Adjustment [Member]
Number of previously uncorrected misstatements		3
Pre-tax income	$ (1,248)		$ (1,844)	$ (5,170)	$ 2,063		$ 70,000
Decrease to short term note receivable due to revision	3,204	3,987		3,204			(275,000)
Increase to long term note receivable due to revision	25,256	27,659		25,256			275,000
Increase in long-term deferred tax assets due to revision	8,866	7,325		8,866			305,000
Decrease to deferred income tax expense due to revision				912			(305,000)
Increase to retained earnings due to revision	$ 210,549	$ 226,480		$ 210,549			$ 375,000
Percentage of impact of revisions to line items						1.00%