Allowance for Losses and Credit Quality of Consumer Loans - Aging Analysis (Details) - USD ($) $ in Thousands	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013
Performing Financial Instruments [Member]
Aging analysis of past due financing receivables
Investment 1 to 30 days past due	$ 9,536		$ 4,942	$ 5,351
Investment 31 to 60 days past due	4,133		3,546	2,922
Investment 61 to 90 days past due	1,813		2,035	3,025
Investment greater than 90 Days past due	834		1,600	1,310
Investment past due	16,316		12,123	12,608
Current receivable	105,524		116,870	108,076
Fair value adjustment	1,110		2,230	1,747
Total Financing Receivable	122,950		131,223	122,431
Allowance Balance	6,092		6,450	6,034
Investment 90 days past due and still accruing	834		1,600	1,310
Nonperforming Financial Instruments [Member]
Aging analysis of past due financing receivables
Investment 1 to 30 days past due	1,092		1,854	443
Investment 31 to 60 days past due	1,801		907	430
Investment 61 to 90 days past due	1,813		884	593
Investment greater than 90 Days past due	32,611		25,674	18,014
Investment past due	37,317		29,319	19,480
Current receivable	1,312		2,318	1,451
Fair value adjustment	0		0	0
Total Financing Receivable	38,629		31,637	20,931
Allowance Balance	38,629		31,637	20,931
Investment 90 days past due and still accruing	0		0	0
Unsecured Short Term Consumer Loans [Member]
Aging analysis of past due financing receivables
Total Financing Receivable	26,265			26,815
Allowance Balance	12,217	$ 13,368	14,645	8,585	$ 2,848	$ 2,928
Secured Short-term consumer loans [Member]
Aging analysis of past due financing receivables
Investment 1 to 30 days past due	1,314		2,196	1,424
Investment 31 to 60 days past due	544		823	736
Investment 61 to 90 days past due	374		448	757
Investment greater than 90 Days past due	449		412	1,184
Investment past due	2,681		3,879	4,101
Current receivable	2,618		4,294	3,858
Fair value adjustment	0		0	0
Total Financing Receivable	5,299		8,173	7,959
Allowance Balance	816	1,134	1,049	1,814	2,332	1,804
Investment 90 days past due and still accruing	0		0	0
Unsecured Long-term consumer loans [Member]
Aging analysis of past due financing receivables
Investment 1 to 30 days past due	10,628		6,796	5,794
Investment 31 to 60 days past due	5,934		4,453	3,352
Investment 61 to 90 days past due	3,626		2,919	3,618
Investment greater than 90 Days past due	33,445		27,274	19,324
Investment past due	53,633		41,442	32,088
Current receivable	106,836		119,188	109,527
Fair value adjustment	1,110		2,230	1,747
Total Financing Receivable	161,579		162,860	143,362
Allowance Balance	44,721	$ 42,182	38,087	26,965	$ 23,889	$ 19,849
Investment 90 days past due and still accruing	$ 834		$ 1,600	1,310
Go Cash and Cash Genie Loans [Member] | Unsecured Short Term Consumer Loans [Member]
Aging analysis of past due financing receivables
Investment 1 to 30 days past due				1,063
Investment 31 to 60 days past due				1,949
Investment 61 to 90 days past due				898
Investment greater than 90 Days past due				3,411
Investment past due				7,321
Current receivable				4,067
Fair value adjustment				0
Total Financing Receivable				11,388
Allowance Balance				6,964
Investment 90 days past due and still accruing				$ 0