Value of Business Acquired (Balance of and Changes in VOBA) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Movement in Present Value of Future Insurance Profits [Roll Forward]
Balance, beginning of year	$ 35,109	$ 30,287	$ 33,640
Amortization-Impact of assumption and experience unlocking and true-ups	1,485	10,035	2,372
Amortization-All other	(7,348)	(7,422)	(8,176)
Interest	1,983	2,001	1,939
Change in unrealized investment gains and losses	1,993	208	512
Balance, end of year	$ 33,222	$ 35,109	$ 30,287
Weighted Average Useful Life	5 years 7 months 13 days
Interest accrual rates	5.96%	5.96%	6.00%

Present Value Of Future Insurance Profits Amortization Expense Unlocking And Trueups

No definition available.

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
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- Definition

Amount of adjustment to reflect the effect that would have been recognized had the unrealized holding gain (loss) actually been realized on the present value of future insurance profits being amortized using the gross profit method and the present value of future profits recognized as a result of a purchase of an insurance entity holding long-duration contracts.

+ References

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-Publisher FASB
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-Topic 320
-SubTopic 10
-Section S99
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- Definition

Rate of interest used in determination of present value of future profits on insurance contract acquired in business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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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 of amortization expense (reversal of expense) for present value of future profits of insurance contract acquired in business combination.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
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-Topic 350
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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of amortization expense for present value of future profits of insurance contract acquired in business combination from accrued interest on unamortized balance.

+ References

No definition available.

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- Definition

Amount, after accumulated amortization, of present value of future profits of insurance contract acquired in business combination.

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