Related Party Transactions - Schedule of Interest Income (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Related Party Transaction [Line Items]
Interest income	$ 400	$ 400
Affiliated entities
Related Party Transaction [Line Items]
Interest income	2,169	1,937
Affiliated entities | Interest income from secured loans receivables
Related Party Transaction [Line Items]
Interest income	58	70
Affiliated entities | Interest income from finance products and repurchase arrangements
Related Party Transaction [Line Items]
Interest income	$ 2,111	$ 1,867