Description of Business (Details) $ in Thousands			3 Months Ended	12 Months Ended
	Dec. 04, 2019 USD ($) contract	Aug. 16, 2019 USD ($)	Feb. 29, 2020 USD ($) contract	Nov. 30, 2019 USD ($) contract
Organization and Nature of Operations [Line Items]
Investment in limited partnership			$ 143,201	$ 137,849	[1]
Investment in life settlements fair value				$ 1,297
Proceeds from maturity of life settlements	$ 12,700
White Eagle
Organization and Nature of Operations [Line Items]
Number of policies owned | contract			524
Life insurance policies with aggregate death benefit			$ 2,500,000
Number of life insurance policies canceled | contract	2
Proceeds from maturity of life settlements	$ 2,000
Sun Life
Organization and Nature of Operations [Line Items]
Number of life insurance policies canceled | contract	31
Investment in life settlements fair value	$ 163,500
Proceeds from maturity of life settlements	$ 36,100
Sun Life | White Eagle
Organization and Nature of Operations [Line Items]
Number of policies owned | contract	28
Investment in life settlements fair value	$ 141,500
Number of life insurance policies in receivable for maturity | contract	1
Receivable from maturity of life insurance contracts	$ 10,000
Payments for sale of life insurance contracts	$ 13,400
Sun Life | Emergent Capital, Inc.
Organization and Nature of Operations [Line Items]
Number of life insurance policies canceled | contract	2
Investment in life settlements fair value	$ 12,000
Proceeds from maturity of life settlements	12,700
Sun Life | Wilmington Trust
Organization and Nature of Operations [Line Items]
Payments for sale of life insurance contracts	$ 10,000
WE Investment
Organization and Nature of Operations [Line Items]
Number of policies owned | contract			524
Life insurance policies with aggregate death benefit			$ 2,453,152
Weighted average life expectancy on death benefits insured			6 years 9 months 18 days
Investment in life settlements fair value			$ 2,500,000
WE Investment | Lamington
Organization and Nature of Operations [Line Items]
Equity investment ownership percentage		27.50%
Investment in limited partnership		$ 138,900	$ 143,200
Subsidiaries | WE Investment
Organization and Nature of Operations [Line Items]
Equity investment ownership percentage			27.50%
Subsidiaries | WE Investment | White Eagle
Organization and Nature of Operations [Line Items]
Number of policies owned | contract			0	2
Life insurance policies with aggregate death benefit			$ 0	$ 12,000
Weighted average life expectancy on death benefits insured				11 years 4 months 24 days
Investment in life settlements fair value			$ 0	$ 1,297
Subsidiaries | WE Investment | Lamington
Organization and Nature of Operations [Line Items]
Equity investment ownership percentage		27.50%
Affiliates | Class A Interests | White Eagle
Organization and Nature of Operations [Line Items]
Proceeds from sale of limited partnership interest		$ 366,200
Affiliates | Class D Interests | White Eagle
Organization and Nature of Operations [Line Items]
Proceeds from sale of limited partnership interest		$ 8,000
Affiliates | Palomino | White Eagle
Organization and Nature of Operations [Line Items]
Percentage of equity interest sold		72.50%

[1] Derived from audited consolidated financial statements.