Condensed and Consolidated Financial Statements for Entities in Bankruptcy - Condensed and Consolidated Balance Sheet (Details) - USD ($) $ / shares in Units, $ in Thousands	Feb. 29, 2020	Nov. 30, 2019		Feb. 28, 2019	Nov. 30, 2018	Jul. 17, 2017	Jul. 16, 2017
ASSETS
Cash and cash equivalents	$ 25,117	$ 24,283	[1]
Life settlements, at estimated fair value	0	1,297	[1]
Total assets	172,726	165,712	[1]
Liabilities
Accounts payable and accrued expenses	1,623	1,651	[1]
Total liabilities	118,144	123,599	[1]
Share Capital (1 share of $1 authorized and issued)	1,593	1,584	[1]
Additional paid-in-capital	334,598	334,576	[1]
Accumulated deficit/retained earnings	(279,075)	(291,513)	[1]
Total stockholders’ equity	54,582	42,113	[1]	$ (10,136)	$ 27,242
Total liabilities and stockholders’ equity	$ 172,726	$ 165,712	[1]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01	[1]
Common stock, shares authorized (in shares)	415,000,000	415,000,000	[1]			415,000,000	80,000,000
Common stock, shares issued (in shares)	159,277,966	158,365,275	[1]	158,659,803
Subsidiaries | Lamington
ASSETS
Cash and cash equivalents	$ 0			$ 21,742
Prepaid expenses and other assets	0			833
Life settlements, at estimated fair value	0			494,732
Receivable for maturity of life settlements	0			36,754
Total assets	0			554,061
Liabilities
Accounts payable and accrued expenses	0			2,702
Other liabilities (subject to compromise)	0			7,181
Revolving Credit Facility debt, at estimated fair value	0			365,499
Promissory notes payable (subject to compromise)	0			146,393
Total liabilities	0			521,775
Share Capital (1 share of $1 authorized and issued)	0			0
Additional paid-in-capital	0			60,602
Accumulated deficit/retained earnings	0			(28,316)
Total stockholders’ equity	0			32,286
Total liabilities and stockholders’ equity	$ 0			$ 554,061
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized (in shares)	1	1
Common stock, shares issued (in shares)	1	1

[1] Derived from audited consolidated financial statements.