Investments (Accrued Investments Income) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Net Investment Income
Accrued investment income	$ 160,027	$ 93,613
Fixed Maturities
Net Investment Income
Accrued investment income	117,216	54,565
Equity securities
Net Investment Income
Accrued investment income	2	1
Commercial mortgage and other loans
Net Investment Income
Accrued investment income	7,025	3,610
Policy loans
Net Investment Income
Accrued investment income	35,153	35,374
Other Invested Assets
Net Investment Income
Accrued investment income	254	0
Short-term investments and cash equivalents
Net Investment Income
Accrued investment income	$ 377	$ 63

Interest, dividends, rents, ancillary and other revenues earned but not yet received by the entity on its investments.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(4))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

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