Quarterly report pursuant to Section 13 or 15(d)

Financing Agreements - Notes Payable - Additional Information (Details)

v3.20.2
Financing Agreements - Notes Payable - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended
Sep. 30, 2018
Sep. 30, 2020
Sep. 30, 2019
Variable Interest Entity, Primary Beneficiary      
Debt Instrument [Line Items]      
Financing receivable   $ 5,000,000  
AM Capital Funding, LLC.      
Debt Instrument [Line Items]      
Unamortized discount   $ 2,300,000  
Percentage of total expense recognized   33.00% 28.60%
AM Capital Funding, LLC. | Variable Interest Entity, Primary Beneficiary      
Debt Instrument [Line Items]      
Notes payable   $ 92,700,000  
Interest payable   $ 234,000  
Debt instrument, aggregate interest rate (percentage)   5.26%  
Interest expense   $ 1,400,000 $ 1,500,000
AM Capital Funding, LLC. | Notes Receivable      
Debt Instrument [Line Items]      
Financing receivable $ 5,000,000    
AM Capital Funding, LLC. | Notes Receivable | Secured Senior Term Notes, Series 2018-1, Class B      
Debt Instrument [Line Items]      
Financing receivable $ 5,000,000    
AM Capital Funding, LLC. | Senior Subordinated Notes      
Debt Instrument [Line Items]      
Debt instrument, maturity date Dec. 15, 2023    
Weighted average effective interest rate (in percentage)   5.88% 5.88%
AM Capital Funding, LLC. | Senior Subordinated Notes | Secured Senior Term Notes, Series 2018-1, Class A      
Debt Instrument [Line Items]      
Debt instrument, face amount $ 72,000,000 $ 72,000,000  
Stated interest rate (in percentage) 4.98% 4.98%  
AM Capital Funding, LLC. | Senior Subordinated Notes | Secured Senior Term Notes, Series 2018-1, Class B      
Debt Instrument [Line Items]      
Debt instrument, face amount $ 28,000,000 $ 28,000,000  
Stated interest rate (in percentage) 5.98% 5.98%