Business Combinations (VOBA) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2020	Dec. 31, 2019
Movement in Present Value of Future Insurance Profits [Roll Forward]
Balance, beginning of year	$ 138,071	$ 0
Business acquired	0	145,768
Amortization, excluding unlocking	(5,645)	(7,697)
Balance as of end of period	$ 132,426	$ 138,071

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

No definition available.

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- Definition

Amount of addition for present value of future profits of insurance contract acquired in business combination.

+ References

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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
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- Definition

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

+ References

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