Deferred Policy Acquisition Costs (Tables)

12 Months Ended

Dec. 31, 2017

Deferred Policy Acquisition Costs Disclosures [Abstract]

Schedule of Deferred Acquisition Costs Table

The balances of and changes in DAC as of and for the years ended December 31, are as follows:

	2017			2016			2015
	(in thousands)
Balance, beginning of year	$	4,344,361		$	749,302		$	1,114,431
Capitalization of commissions, sales and issue expenses	277,586			269,679			1,535
Amortization-Impact of assumption and experience unlocking and true-ups	288,974			226,204			33,113
Amortization-All other	(275,028		)	(46,388		)	(342,265		)
Changes in unrealized investment gains and losses	(39,328		)	18,772			16,352
Ceded DAC upon reinsurance agreement with Prudential Insurance(1)(2)	0			(7,480		)	(73,864		)
Assumed DAC upon reinsurance agreement with Pruco Life(1)	0			3,134,272			0
Balance, end of year	$	4,596,565		$	4,344,361		$	749,302

(1) See Note 1 and Note 13 for additional information.

(2) Represents a $7.5 million true-up in 2016 to the ceded DAC upon reinsurance agreement with Prudential Insurance in 2015.