Segment Reporting (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2018 USD ($) industry segment	Mar. 31, 2017 USD ($)	Dec. 31, 2017 USD ($)
Segment Reporting Information [Line Items]
Number of industries the Company operates in | industry	1
Number of reportable segments | segment	2
Interest income:
Consumer loans, including past due fees	$ 35,681	$ 25,859
Other	45	101
Total interest income	35,726	25,960
Interest expense	(8,153)	(5,817)
Net interest income before fees and related income on earning assets and provision for losses on loans and fees receivable	27,573	20,143
Fees and related income on earning assets	6,214	2,801
Servicing income	632	1,089
Depreciation of rental merchandise		(27)
Equity in income of equity-method investee	9	334
(Loss) income before income taxes	(4,575)	1,345
Income Tax Expense (Benefit)	(144)	(618)
Total assets	432,912	371,123	$ 425,613
Reportable Segments One [Member]
Interest income:
Consumer loans, including past due fees	28,562	18,830
Other	45	101
Total interest income	28,607	18,931
Interest expense	(7,892)	(5,594)
Net interest income before fees and related income on earning assets and provision for losses on loans and fees receivable	20,715	13,337
Fees and related income on earning assets	6,197	2,779
Servicing income	402	857
Depreciation of rental merchandise		(27)
Equity in income of equity-method investee	9	334
(Loss) income before income taxes	(6,914)	(387)
Income Tax Expense (Benefit)	399	(33)
Total assets	365,882	306,721
Reportable Segments Three [Member]
Interest income:
Consumer loans, including past due fees	7,119	7,029
Other	0	0
Total interest income	7,119	7,029
Interest expense	(261)	(223)
Net interest income before fees and related income on earning assets and provision for losses on loans and fees receivable	6,858	6,806
Fees and related income on earning assets	17	22
Servicing income	230	232
Depreciation of rental merchandise		0
Equity in income of equity-method investee	0	0
(Loss) income before income taxes	2,339	1,732
Income Tax Expense (Benefit)	(543)	(585)
Total assets	$ 67,030	$ 64,402