Equity (Allowance for Credit Losses Net Unrealized Investment Gains (Losses) in AOCI) (Details) $ in Thousands	3 Months Ended
Mar. 31, 2020 USD ($)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	$ 281,442
Ending Balance	155,061
Accumulated Other Comprehensive Income (Loss) Related To Net Unrealized Investment Gains (Losses)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	289,359
Ending Balance	183,288
With an Allowance \| Net Unrealized Gains (Losses) on Investments
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	0
Net investment gains (losses) on investments arising during the period	0
Reclassification adjustment for (gains) losses included in net income	0
Increase (decrease) due to non-credit related losses recognized in AOCI during the period	0
Impact of net unrealized investment (gains) losses on deferred policy acquisition costs and other costs	0
Impact of net unrealized investment (gains) losses on future policy benefits and policyholders' account balances	0
Ending Balance	0
With an Allowance \| Deferred Policy Acquisition Costs and Other Costs
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	0
Net investment gains (losses) on investments arising during the period	0
Reclassification adjustment for (gains) losses included in net income	0
Increase (decrease) due to non-credit related losses recognized in AOCI during the period	0
Impact of net unrealized investment (gains) losses on deferred policy acquisition costs and other costs	1,942
Impact of net unrealized investment (gains) losses on future policy benefits and policyholders' account balances	0
Ending Balance	1,942
With an Allowance \| Future Policy Benefits and Policyholders’ Account Balances
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	0
Net investment gains (losses) on investments arising during the period	0
Reclassification adjustment for (gains) losses included in net income	0
Increase (decrease) due to non-credit related losses recognized in AOCI during the period	0
Impact of net unrealized investment (gains) losses on deferred policy acquisition costs and other costs	0
Impact of net unrealized investment (gains) losses on future policy benefits and policyholders' account balances	(3,678)
Ending Balance	(3,678)
With an Allowance \| Deferred Income Tax (Liability) Benefit
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	0
Net investment gains (losses) on investments arising during the period	0
Reclassification adjustment for (gains) losses included in net income	0
Increase (decrease) due to non-credit related losses recognized in AOCI during the period	0
Impact of net unrealized investment (gains) losses on deferred policy acquisition costs and other costs	(408)
Impact of net unrealized investment (gains) losses on future policy benefits and policyholders' account balances	772
Ending Balance	364
With an Allowance \| Accumulated Other Comprehensive Income (Loss) Related To Net Unrealized Investment Gains (Losses)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning Balance	0
Net investment gains (losses) on investments arising during the period	0
Reclassification adjustment for (gains) losses included in net income	0
Increase (decrease) due to non-credit related losses recognized in AOCI during the period	0
Impact of net unrealized investment (gains) losses on deferred policy acquisition costs and other costs	1,534
Impact of net unrealized investment (gains) losses on future policy benefits and policyholders' account balances	(2,906)
Ending Balance	$ (1,372)

Non Credit Portion Of Allowance for Credit Losses Of Debt Reclassification Recognized In Other Comprehensive Income

No definition available.

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- Definition

Other Comprehensive Income for Unrealized Investment Gain Loss related to Policyholder's account balance Arising during the Period Net of Tax

+ References

No definition available.

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Other Comprehensive Income for Unrealized Investment (Gain) Loss related to deferred policy acquisition costs, deferred sales inducements and valuation of business acquired Arising during the Period Net of Tax

+ References

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Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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