Unaudited Interim Statements of Equity - USD ($) $ in Thousands		Total		Common Stock	Additional Paid-in Capital	Retained Earnings / (Accumulated Deficit)	Accumulated Other Comprehensive Income (Loss)	Total Equity
Beginning Balance at Dec. 31, 2015				$ 2,500	$ 901,422	$ 396,830	$ 46,166	$ 1,346,918
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Contributed capital		$ 860,573			8,421,955			8,421,955
Assets purchased/transferred from/to affiliates	[1]				(71,770)			(71,770)
Distribution to Parent					0			0
Impact of Pruco Re and PALAC merger(1)	[1]				(15,762)			(15,762)
Comprehensive income:
Net income (loss)		(889,246)	[2]			(889,246)		(889,246)
Other comprehensive income (loss), net of tax		179,716					179,716	179,716
Total comprehensive income (loss)								(709,530)
Ending Balance at Sep. 30, 2016				2,500	9,235,845	(492,416)	225,882	8,971,811
Beginning Balance at Dec. 31, 2016				2,500	8,095,436	(693,258)	(314,948)	7,089,730
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Contributed capital		0			0			0
Assets purchased/transferred from/to affiliates					0			0
Distribution to Parent					(300,000)			(300,000)
Comprehensive income:
Net income (loss)		800,701	[2]			800,701		800,701
Other comprehensive income (loss), net of tax		$ 147,871					147,871	147,871
Total comprehensive income (loss)								948,572
Ending Balance at Sep. 30, 2017				$ 2,500	$ 7,795,436	$ 107,443	$ (167,077)	$ 7,738,302

[1] Prior period amounts have been revised to reflect corrected amounts.

[2] Prior period amounts for the three months ended September 30, 2016 have been revised to reflect a corrected tax expense amount.