Deferred Policy Acquisition Costs (Tables)

12 Months Ended

Dec. 31, 2017

Deferred Policy Acquisition Costs Disclosures [Abstract]

Deferred Policy Acquisition Costs Balance Roll Forward

The balances and activity in DAC were as follows:

	Year ended December 31,
	2017			2016			2015
	(In thousands)
DAC balance, beginning of period	$	1,713,065		$	1,500,259		$	1,351,180
Capitalization		433,575			387,396			339,639
Amortization		(209,399	)		(180,582	)		(157,727	)
Foreign exchange translation and other		14,651			5,992			(32,833	)
DAC balance, end of period	$	1,951,892		$	1,713,065		$	1,500,259