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Corporate Office Relocation (Narrative) (Details) (Home Office Relocation [Member], USD $)
In Thousands, unless otherwise specified
 3 Months Ended 6 Months Ended 3 Months Ended 6 Months Ended 18 Months Ended 6 Months Ended 18 Months Ended
Jun. 30, 2013
Jun. 30, 2013
Jun. 30, 2013
Employee Severance [Member]
Jun. 30, 2013
Other Restructuring [Member]
Dec. 31, 2013
Minimum [Member]
Dec. 31, 2014
Minimum [Member]
Employee Severance [Member]
Dec. 31, 2014
Minimum [Member]
Other Restructuring [Member]
Dec. 31, 2013
Maximum [Member]
Dec. 31, 2014
Maximum [Member]
Employee Severance [Member]
Dec. 31, 2014
Maximum [Member]
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]                    
Restructuring and Related Cost, Incurred Cost $ 13,500 $ 13,500 $ 13,100 $ 400            
Expected restructuring and relocation costs         $ 1,000 $ 21,000 $ 355 $ 5,000 $ 26,000 $ 500