Supplemental Consolidated Financial Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Mar. 31, 2018
Pawn service charges receivable, net:
Gross pawn service charges receivable	$ 34,320		$ 40,719	$ 31,213
Allowance for uncollectible pawn service charges receivable	(7,223)		(9,760)	(7,083)
Pawn service charges receivable, net	27,097		30,959	24,130
Inventory, net:
Gross inventory	182,295		176,198	166,802
Inventory reserves	(8,947)		(9,201)	(8,160)
Inventory, net	173,348		166,997	158,642
Prepaid expenses and other	11,647		9,705	12,026
Accounts receivable and other	15,974		18,901	17,234
Income taxes receivable	5,363		2,031	0
Restricted cash	0		267	273
2019 Convertible Notes Hedges	0		2,552	0
Prepaid expenses and other current assets	32,984		33,456	29,533
Property and equipment, net:
Property and equipment, gross	256,411		253,022	239,954
Accumulated depreciation	(188,893)		(179,373)	(175,121)
Total	67,518		73,649	64,833
Other assets	4,395		3,863	3,731
2019 Convertible Notes Hedges	0		0	16,042
Other assets	4,395		3,863	19,773
Accounts payable	13,134		10,500	10,544
Accrued expenses and other	45,562		47,458	49,994
Accounts payable, accrued expenses and other current liabilities	58,696		$ 57,958	$ 60,538
Potential exposure from refiner	3,600
Restructuring reserve accrual (recovery)	$ (800)	$ 4,400