Fair Value Measurements - Financial Assets, Temporary Equity and Liabilities Not Measured at Fair Value (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Sep. 30, 2014
Financial assets:
Cash and cash equivalents	$ 59,124	$ 55,325
Restricted cash	15,137	63,495
Pawn loans	159,964	162,444
Consumer loans, net	37,559	64,631
Pawn service charges receivable, net	30,852	31,044
Consumer loan fees receivable, net	19,802	12,647
Restricted cash, non-current	2,883	5,070
Non-current consumer loans, net	77,644	86,364
Total	402,965	481,020
Temporary equity:
Common stock, subject to possible redemption	11,438
Redeemable noncontrolling interest		49,021
Financial liabilities:
Convertible debt	169,050	185,738
Total	341,313	389,988
Consumer loans facility due 2019 [Member]
Financial liabilities:
Consumer loans facility	40,774	54,178
Unsecured Debt [Member]
Financial liabilities:
Notes	20,477	36,837
Secured Debt [Member]
Financial liabilities:
Notes	22,476	26,144
Secured Debt [Member] | Consolidated Variable Interest Entities [Member]
Financial liabilities:
Notes	68,685	59,906
Foreign Currency Debt [Member]
Financial liabilities:
Debt instrument	19,851	27,185
Level 1 [Member]
Financial assets:
Cash and cash equivalents	59,124	55,325
Restricted cash	15,137	63,495
Pawn loans	0	0
Consumer loans, net	0	0
Pawn service charges receivable, net	0	0
Consumer loan fees receivable, net	0	0
Restricted cash, non-current	2,883	5,070
Non-current consumer loans, net	0	0
Total	77,144	123,890
Temporary equity:
Common stock, subject to possible redemption	0
Redeemable noncontrolling interest		0
Financial liabilities:
Convertible debt	0	0
Total	0	54,178
Level 1 [Member] | Consumer loans facility due 2019 [Member]
Financial liabilities:
Consumer loans facility	0	54,178
Level 1 [Member] | Unsecured Debt [Member]
Financial liabilities:
Notes	0	0
Level 1 [Member] | Secured Debt [Member]
Financial liabilities:
Notes	0	0
Level 1 [Member] | Secured Debt [Member] | Consolidated Variable Interest Entities [Member]
Financial liabilities:
Notes	0	0
Level 1 [Member] | Foreign Currency Debt [Member]
Financial liabilities:
Debt instrument	0	0
Level 2 [Member]
Financial assets:
Cash and cash equivalents	0	0
Restricted cash	0	0
Pawn loans	0	0
Consumer loans, net	0	0
Pawn service charges receivable, net	0	0
Consumer loan fees receivable, net	0	0
Restricted cash, non-current	0	0
Non-current consumer loans, net	0	0
Total	0	0
Temporary equity:
Common stock, subject to possible redemption	0
Redeemable noncontrolling interest		0
Financial liabilities:
Convertible debt	169,050	185,738
Total	341,313	335,810
Level 2 [Member] | Consumer loans facility due 2019 [Member]
Financial liabilities:
Consumer loans facility	40,774	0
Level 2 [Member] | Unsecured Debt [Member]
Financial liabilities:
Notes	20,477	36,837
Level 2 [Member] | Secured Debt [Member]
Financial liabilities:
Notes	22,476	26,144
Level 2 [Member] | Secured Debt [Member] | Consolidated Variable Interest Entities [Member]
Financial liabilities:
Notes	68,685	59,906
Level 2 [Member] | Foreign Currency Debt [Member]
Financial liabilities:
Debt instrument	19,851	27,185
Level 3 [Member]
Financial assets:
Cash and cash equivalents	0	0
Restricted cash	0	0
Pawn loans	159,964	162,444
Consumer loans, net	37,559	64,631
Pawn service charges receivable, net	30,852	31,044
Consumer loan fees receivable, net	19,802	12,647
Restricted cash, non-current	0	0
Non-current consumer loans, net	77,644	86,364
Total	325,821	357,130
Temporary equity:
Common stock, subject to possible redemption	11,438
Redeemable noncontrolling interest		49,021
Financial liabilities:
Convertible debt	0	0
Total	0	0
Level 3 [Member] | Consumer loans facility due 2019 [Member]
Financial liabilities:
Consumer loans facility	0	0
Level 3 [Member] | Unsecured Debt [Member]
Financial liabilities:
Notes	0	0
Level 3 [Member] | Secured Debt [Member]
Financial liabilities:
Notes	0	0
Level 3 [Member] | Secured Debt [Member] | Consolidated Variable Interest Entities [Member]
Financial liabilities:
Notes	0	0
Level 3 [Member] | Foreign Currency Debt [Member]
Financial liabilities:
Debt instrument	0	0
Carrying Value [Member]
Financial assets:
Cash and cash equivalents	59,124	55,325
Restricted cash	15,137	63,495
Pawn loans	159,964	162,444
Consumer loans, net	36,533	63,995
Pawn service charges receivable, net	30,852	31,044
Consumer loan fees receivable, net	19,802	12,647
Restricted cash, non-current	2,883	5,070
Non-current consumer loans, net	75,824	85,004
Total	400,119	479,024
Temporary equity:
Common stock, subject to possible redemption	11,696
Redeemable noncontrolling interest		22,800
Financial liabilities:
Convertible debt	193,932	185,693
Total	370,177	391,171
Carrying Value [Member] | Consumer loans facility due 2019 [Member]
Financial liabilities:
Consumer loans facility	42,689	54,045
Carrying Value [Member] | Unsecured Debt [Member]
Financial liabilities:
Notes	21,029	36,991
Carrying Value [Member] | Secured Debt [Member]
Financial liabilities:
Notes	20,554	26,195
Carrying Value [Member] | Secured Debt [Member] | Consolidated Variable Interest Entities [Member]
Financial liabilities:
Notes	73,264	61,062
Carrying Value [Member] | Foreign Currency Debt [Member]
Financial liabilities:
Debt instrument	$ 18,709	$ 27,185