Life Insurance Policies Narrative (Details)	Dec. 31, 2019 USD ($) Policies	Dec. 31, 2018 USD ($) Policies	Jun. 30, 2018 USD ($)
Product Information [Line Items]
Life insurance policies \| Policies	2,896	3,037
Face value	$ 1,129,545,328	$ 1,258,390,716	$ 188,000,000
Fair value of life insurance policies	172,242,734	$ 186,251,760
Estimated total future premium payable	$ 482,600,000
Life Settlement Contracts
Product Information [Line Items]
Life insurance policies \| Policies	483	548
Face value	$ 938,200,000	$ 1,100,000,000
Fair value of life insurance policies	$ 168,700,000	$ 182,000,000.0
Viatical Settlement Contract
Product Information [Line Items]
Life insurance policies \| Policies	2,413	2,489
Face value	$ 191,300,000	$ 203,100,000
Fair value of life insurance policies	$ 3,500,000	$ 4,300,000

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- Definition

Fair value amount of life settlement contracts accounted for under the fair value method.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 325
-SubTopic 30
-Section 50
-Paragraph 8
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=73718008&loc=d3e42732-111610

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- Definition

Face value (death benefits) of the life insurance policies underlying the life settlement contracts accounted for under the fair value method.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 325
-SubTopic 30
-Section 50
-Paragraph 8
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=73718008&loc=d3e42732-111610

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Number of life settlement contracts accounted for under the fair value method.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 325
-SubTopic 30
-Section 50
-Paragraph 8
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=73718008&loc=d3e42732-111610

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