Finance Receivables, net (Schedule of Cash Collections Applied to Principal) (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Receivables [Abstract]
2020	$ 845,437
2021	694,169
2022	531,004
2023	393,087
2024	281,166
2025	173,283
2026	101,570
2027	77,943
2028	51,868
2029	35,070
Thereafter	46,352
Total ERC expected to be applied to principal	$ 3,230,949