Segment and Geographical Information - Reclassification Of Interest Expense Between Segments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Term Life Insurance Segment [Member]
Segment Reporting Information [Line Items]
Interest expense reclassified from the Term Life Insurance segment to the Corporate and Other Distributed Products segment	$ (4,174)	$ (4,168)	$ (12,404)	$ (12,240)
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Interest expense reclassified from the Term Life Insurance segment to the Corporate and Other Distributed Products segment	$ 4,174	$ 4,168	$ 12,404	$ 12,240