Quarterly Results of Operations (Tables)

12 Months Ended

Dec. 31, 2014

QuarterlyFinancialDataAbstract

ScheduleOfQuarterlyFinancialInformationTableTextBlock

	Three months ended
		March 31		June 30		September 30		December 31
2014	(in thousands)
Total revenues	$	311,249	$	309,786	$	308,006	$	311,187
Total benefits and expenses		216,896		242,370		197,204		324,387
Income (loss) from operations before income taxes and cumulative effect of accounting change		94,353		67,416		110,802		(13,200)
Net income	$	77,498	$	57,431	$	96,037	$	19,801

	Three months ended
		March 31		June 30		September 30		December 31
	(in thousands)
2013
Total revenues	$	290,576	$	283,524	$	250,028	$	286,154
Total benefits and expenses		93,190		96,720		(332,523)		72,431
Income from operations before income taxes and cumulative effect of accounting change		197,386		186,804		582,551		213,723
Net income	$	147,388	$	143,670	$	400,296	$	156,738