Business and Basis of Presentation (Consolidated Statements of Cash Flows) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Reinsurance recoverable	$ 5,062	$ (63,764)
Cash flows from (used in) operating activities	146,370	40,988
CASH FLOWS FROM FINANCING ACTIVITIES:
Ceded policyholders' account deposits	(930)	(16,249)
Ceded policyholders' account withdrawals	5,850	10,988
Cash flows from (used in) financing activities	$ (36,378)	(11,084)
As Previously Reported
CASH FLOWS FROM OPERATING ACTIVITIES:
Reinsurance recoverable		(69,025)
Cash flows from (used in) operating activities		35,727
CASH FLOWS FROM FINANCING ACTIVITIES:
Ceded policyholders' account deposits		0
Ceded policyholders' account withdrawals		0
Cash flows from (used in) financing activities		(5,823)
Revision
CASH FLOWS FROM OPERATING ACTIVITIES:
Reinsurance recoverable		5,261
Cash flows from (used in) operating activities		5,261
CASH FLOWS FROM FINANCING ACTIVITIES:
Ceded policyholders' account deposits		(16,249)
Ceded policyholders' account withdrawals		10,988
Cash flows from (used in) financing activities		$ (5,261)

The cash inflow from a segregated fund account ceded out during the period.

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- Definition

The cash outflow for a segregated fund account ceded out during the period.

+ References

No definition available.

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The increase (decrease) during the reporting period in the amount of benefits the ceding insurer expects to recover on insurance policies ceded to other insurance entities as of the balance sheet date for all guaranteed benefit types.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 24
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3521-108585

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-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 25
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3536-108585

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