Segment Information - Operating Segment Information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) segment	Jun. 30, 2022 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment			3
Revenues:
Total revenues	$ 255,812	$ 215,842	$ 778,562	$ 652,818
Gross profit	148,785	129,508	450,464	390,547
Segment and corporate expenses (income):
Store expenses	104,932	89,430	307,004	261,944
General and administrative	17,876	18,715	48,961	46,487
Depreciation and amortization	8,026	7,746	23,977	22,770
Gain on sale or disposal of assets	(29)		28	(692)
Other	(2,632)	0	(5,097)	0
Interest expense	3,414	2,693	12,994	7,651
Interest income	(2,584)	(190)	(5,146)	(749)
Equity in net income (loss) of unconsolidated affiliates	(1,523)	(1,758)	29,394	(1,457)
Other (income) expense	(5)	(210)	(159)	41
Income before income taxes	21,310	13,082	38,508	54,552
Segments
Revenues:
Total revenues	255,812	215,842	778,562	652,818
Gross profit	148,785	129,508	450,464	390,547
Segment and corporate expenses (income):
Store expenses	104,932	89,430	307,004	261,944
General and administrative	0	0	(3)	0
Depreciation and amortization	4,808	4,559	14,670	13,725
Gain on sale or disposal of assets	(29)		28	(4)
Other	(2,632)		(5,097)
Interest expense	0	0	0	0
Interest income	(257)	(190)	(725)	(627)
Equity in net income (loss) of unconsolidated affiliates	(1,523)	(1,758)	29,394	(1,457)
Other (income) expense	(55)	(144)	(21)	52
Income before income taxes	43,541	37,611	105,214	116,914
Segments | U.S. Pawn
Revenues:
Total revenues	184,092	158,752	567,448	484,729
Gross profit	110,192	98,361	337,883	301,120
Segment and corporate expenses (income):
Store expenses	75,389	66,036	220,639	195,217
General and administrative	0	0	0	0
Depreciation and amortization	2,505	2,572	7,820	7,867
Gain on sale or disposal of assets	0		84	0
Other	0		0
Interest expense	0	0	0	0
Interest income	(1)	(1)	(2)	(1)
Equity in net income (loss) of unconsolidated affiliates	0	0	0	0
Other (income) expense	0	0	0	0
Income before income taxes	32,299	29,754	109,342	98,037
Segments | Latin America Pawn
Revenues:
Total revenues	71,705	57,069	211,067	167,996
Gross profit	38,578	31,126	112,534	89,334
Segment and corporate expenses (income):
Store expenses	29,543	23,394	86,365	66,727
General and administrative	0	0	(3)	0
Depreciation and amortization	2,303	1,987	6,850	5,858
Gain on sale or disposal of assets	(29)		(56)	(4)
Other	(2,632)		(5,097)
Interest expense	0	0	0	0
Interest income	(256)	(189)	(723)	(626)
Equity in net income (loss) of unconsolidated affiliates	0	0	0	0
Other (income) expense	(65)	(163)	(41)	37
Income before income taxes	9,714	6,097	25,239	17,342
Segments | Other Investments
Revenues:
Total revenues	15	21	47	93
Gross profit	15	21	47	93
Segment and corporate expenses (income):
Store expenses	0	0	0	0
General and administrative	0	0	0	0
Depreciation and amortization	0	0	0	0
Gain on sale or disposal of assets	0		0	0
Other	0		0
Interest expense	0	0	0	0
Interest income	0	0	0	0
Equity in net income (loss) of unconsolidated affiliates	(1,523)	(1,758)	29,394	(1,457)
Other (income) expense	10	19	20	15
Income before income taxes	1,528	1,760	(29,367)	1,535
Corporate Items
Revenues:
Total revenues	0	0	0	0
Gross profit	0	0	0	0
Segment and corporate expenses (income):
Store expenses	0	0	0	0
General and administrative	17,876	18,715	48,964	46,487
Depreciation and amortization	3,218	3,187	9,307	9,045
Gain on sale or disposal of assets	0		0	(688)
Other	0		0
Interest expense	3,414	2,693	12,994	7,651
Interest income	(2,327)	0	(4,421)	(122)
Equity in net income (loss) of unconsolidated affiliates	0	0	0	0
Other (income) expense	50	(66)	(138)	(11)
Income before income taxes	(22,231)	(24,529)	(66,706)	(62,362)
Merchandise sales
Revenues:
Total revenues	147,980	128,334	464,274	399,610
Cost of goods sold	95,069	80,167	297,285	245,524
Merchandise sales | Segments
Revenues:
Total revenues	147,980	128,334	464,274	399,610
Cost of goods sold	95,069	80,167	297,285	245,524
Merchandise sales | Segments | U.S. Pawn
Revenues:
Total revenues	102,177	94,005	329,231	296,147
Cost of goods sold	62,799	55,885	203,698	172,330
Merchandise sales | Segments | Latin America Pawn
Revenues:
Total revenues	45,803	34,329	135,043	103,463
Cost of goods sold	32,270	24,282	93,587	73,194
Merchandise sales | Segments | Other Investments
Revenues:
Total revenues	0	0	0	0
Cost of goods sold	0	0	0	0
Merchandise sales | Corporate Items
Revenues:
Total revenues	0	0	0	0
Cost of goods sold	0	0	0	0
Jewelry scrapping sales
Revenues:
Total revenues	13,931	7,168	34,640	19,802
Cost of goods sold	11,958	6,167	30,813	16,747
Jewelry scrapping sales | Segments
Revenues:
Total revenues	13,931	7,168	34,640	19,802
Cost of goods sold	11,958	6,167	30,813	16,747
Jewelry scrapping sales | Segments | U.S. Pawn
Revenues:
Total revenues	13,098	5,404	30,088	13,864
Cost of goods sold	11,101	4,506	25,867	11,279
Jewelry scrapping sales | Segments | Latin America Pawn
Revenues:
Total revenues	833	1,764	4,552	5,938
Cost of goods sold	857	1,661	4,946	5,468
Jewelry scrapping sales | Segments | Other Investments
Revenues:
Total revenues	0	0	0	0
Cost of goods sold	0	0	0	0
Jewelry scrapping sales | Corporate Items
Revenues:
Total revenues	0	0	0	0
Cost of goods sold	0	0	0	0
Pawn service charges
Revenues:
Total revenues	93,819	80,291	279,442	232,999
Pawn service charges | Segments
Revenues:
Total revenues	93,819	80,291	279,442	232,999
Pawn service charges | Segments | U.S. Pawn
Revenues:
Total revenues	68,790	59,322	208,045	174,651
Pawn service charges | Segments | Latin America Pawn
Revenues:
Total revenues	25,029	20,969	71,397	58,348
Pawn service charges | Segments | Other Investments
Revenues:
Total revenues	0	0	0	0
Pawn service charges | Corporate Items
Revenues:
Total revenues	0	0	0	0
Other revenues
Revenues:
Total revenues	82	49	206	407
Other revenues | Segments
Revenues:
Total revenues	82	49	206	407
Other revenues | Segments | U.S. Pawn
Revenues:
Total revenues	27	21	84	67
Other revenues | Segments | Latin America Pawn
Revenues:
Total revenues	40	7	75	247
Other revenues | Segments | Other Investments
Revenues:
Total revenues	15	21	47	93
Other revenues | Corporate Items
Revenues:
Total revenues	$ 0	$ 0	$ 0	$ 0