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Debt (Details) - Revolving Credit Facility - City National Bank Revolving Credit Agreement - Line of Credit - USD ($)
1 Months Ended
Oct. 31, 2021
Mar. 31, 2022
Debt Instrument [Line Items]    
Maximum borrowing capacity $ 9,500,000 $ 9,500,000
Outstanding balance   0
Current borrowing capacity   $ 9,500,000
Secured Overnight Financing Rate (SOFR)    
Debt Instrument [Line Items]    
Basis spread on variable rate 2.75%