Loans and Financing Receivables - Allowance for Credit Loss Roll-Forward (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Roll-forward of the allowance for credit losses
Balance at beginning of period			$ (168,000)	$ (92,000)
Initial allowance for financing / loan receivables	$ 0	$ 0	0	0
Current period change in credit allowance			10,000
Recoveries	0	0	0	0
Balance at beginning of period	$ (158,000)	$ (92,000)	$ (158,000)	$ (92,000)