Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Fees Receivable (Details)

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Summary of Significant Accounting Policies - Fees Receivable (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Agent Annual Fees Receivable    
Agent annual fees receivable $ 203,000 $ 349,000
Agent annual fees receivable, net of estimated allowances $ 500