Strategic Investments - Summarized Financial Information (Details) - Cash Converters International Limited - USD ($) $ in Thousands	9 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Summary of financial information for Cash Converters International Limited
Current assets	$ 173,826	$ 229,105
Non-current assets	152,483	148,195
Total assets	326,309	377,300
Current liabilities	77,434	122,924
Non-current liabilities	26,163	15,449
Shareholders’ equity	222,712	238,927
Total liabilities and shareholders’ equity	326,309	377,300
Gross revenues	201,365	201,800
Gross profit	111,932	128,366
Net (loss) profit	$ (1,210)	$ 17,443