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Acquisition (Detail Textuals) - Metrolina $ in Millions	Apr. 30, 2019 USD ($) Branch	Sep. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)
Business Acquisition [Line Items]
Acquisition completion date	Apr. 30, 2019
Number of branches acquired \| Branch	3
Finance receivable, net	$ 20.1	$ 7.3	$ 10.9
Other assets	0.1
Assumed liabilities	0.2
Expense related to asset acquisition	0.3
Goodwill	$ 0.3
North Carolina
Business Acquisition [Line Items]
Number of branches acquired \| Branch	2
South Carolina
Business Acquisition [Line Items]
Number of branches acquired \| Branch	1