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Principles of Consolidation and Basis of Presentation (Details) - USD ($)
$ in Thousands
3 Months Ended
Nov. 14, 2018
Nov. 13, 2018
Feb. 29, 2020
Feb. 28, 2019
Apr. 20, 2020
Nov. 30, 2019
[1]
Organization and Nature of Operations [Line Items]            
Accumulated deficit     $ 279,075     $ 291,513
Cash flows provided by (used in) operating activities     1,471 $ (3,831)    
Cash available to pay premiums     25,117     24,283
Certificates of deposit     $ 513     $ 511
Subsequent Event            
Organization and Nature of Operations [Line Items]            
Cash available to pay premiums         $ 22,400  
Certificates of deposit         $ 515  
Lamington | Lamington | Limited Partner | IRELAND            
Organization and Nature of Operations [Line Items]            
Ownership interest percentage   99.99%        
Lamington | Lamington | Limited Partner | IRELAND | Subsidiaries            
Organization and Nature of Operations [Line Items]            
Ownership interest percentage 99.99% 99.99%        
WEGP | WEGP | General Partner            
Organization and Nature of Operations [Line Items]            
Ownership interest percentage   0.01%        
WEGP | WEGP | General Partner | Subsidiaries            
Organization and Nature of Operations [Line Items]            
Ownership interest percentage 0.01% 0.01%        
[1] Derived from audited consolidated financial statements.