Notes Receivable and Allowance for Credit Losses - Schedule of Amortized Cost Basis of Our Notes Receivable by Prophet Score and Year of Origination (Details) - USD ($)	Sep. 30, 2024	Dec. 31, 2023
Financing Receivable, Past Due [Line Items]
Notes receivable, amortized cost, current fiscal year	$ 151,403,776	$ 142,882,717
Notes receivable, amortized cost, prior fiscal year	9,714	2,965
Notes receivable, amortized cost	151,413,490	142,885,682
A
Financing Receivable, Past Due [Line Items]
Notes receivable, amortized cost, current fiscal year	50,070,705	47,752,196
Notes receivable, amortized cost, prior fiscal year	0	0
Notes receivable, amortized cost	50,070,705	47,752,196
B
Financing Receivable, Past Due [Line Items]
Notes receivable, amortized cost, current fiscal year	57,354,419	58,815,920
Notes receivable, amortized cost, prior fiscal year	1,000	257
Notes receivable, amortized cost	57,355,419	58,816,177
C
Financing Receivable, Past Due [Line Items]
Notes receivable, amortized cost, current fiscal year	43,858,876	35,832,476
Notes receivable, amortized cost, prior fiscal year	8,714	2,708
Notes receivable, amortized cost	43,867,590	35,835,184
No score
Financing Receivable, Past Due [Line Items]
Notes receivable, amortized cost, current fiscal year	119,776	482,125
Notes receivable, amortized cost, prior fiscal year	0	0
Notes receivable, amortized cost	$ 119,776	$ 482,125