Accumulated Other Comprehensive Income (Loss), Adjustment of Net Unrealized Losses Reported

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 55
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=84158357&loc=d3e1436-108581

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-Publisher FASB
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-Section 45
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-URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580

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- Definition

Amount after tax of other comprehensive income (loss) attributable to parent entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 1A
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684

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- Definition

Amount after tax of other than temporary impairment loss (OTTI) on investments in available-for-sale and held-to-maturity debt securities, recognized in other comprehensive loss and attributable to parent entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 35
-Paragraph 34D
-URI http://asc.fasb.org/extlink&oid=82895926&loc=SL6284304-111560

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- Definition

Amount after tax of reclassification adjustments of other comprehensive income (loss) attributable to parent.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14A
-URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580

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- Definition

Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(30))
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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Changes in Accumulated Other Comprehensive Income (Loss) by Component (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016	Dec. 31, 2015
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance			$ 5,471,521
Total other comprehensive income	$ 102,568	$ 200,237	557,826	$ 1,207,755
Ending Balance	6,127,723		6,127,723		$ 5,471,521
Offset of net unrealized losses in AOCI due to impact those net unrealized losses would have on certain of the Company's insurance assets and liabilities had the net unrealized losses been recognized in net income			93,600		424,100	$ 623,000
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance			(654,523)	(1,241,134)	(1,241,134)
Other comprehensive income (loss) before reclassifications			549,270		602,014
Other comprehensive income (loss) relating to other-than-temporary impaired investments for which a portion has been recognized in earnings			1,174		(6,782)
Amounts reclassified from accumulated other comprehensive income (loss)			7,382		(8,621)
Total other comprehensive income			557,826		586,611
Ending Balance	(96,697)		(96,697)		(654,523)	(1,241,134)
Unrealized Gains and Losses on Investments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance			(656,322)	(1,247,065)	(1,247,065)
Other comprehensive income (loss) before reclassifications			549,234		606,985
Other comprehensive income (loss) relating to other-than-temporary impaired investments for which a portion has been recognized in earnings			1,174		(6,782)
Amounts reclassified from accumulated other comprehensive income (loss)			7,125		(9,460)
Total other comprehensive income			557,533		590,743
Ending Balance	(98,789)		(98,789)		(656,322)	(1,247,065)
Accumulated Gain and Loss Derivatives
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance			727	0	0
Other comprehensive income (loss) before reclassifications			36		688
Other comprehensive income (loss) relating to other-than-temporary impaired investments for which a portion has been recognized in earnings			0		0
Amounts reclassified from accumulated other comprehensive income (loss)			257		39
Total other comprehensive income			293		727
Ending Balance	1,020		1,020		727	0
Minimum Pension Liability Adjustment
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance			1,072	$ 5,931	5,931
Other comprehensive income (loss) before reclassifications			0		(5,659)
Other comprehensive income (loss) relating to other-than-temporary impaired investments for which a portion has been recognized in earnings			0		0
Amounts reclassified from accumulated other comprehensive income (loss)			0		800
Total other comprehensive income			0		(4,859)
Ending Balance	$ 1,072		$ 1,072		$ 1,072	$ 5,931