Variable Interest Entities (Details) - USD ($) $ in Thousands	Jan. 31, 2017	Jan. 31, 2016	Jan. 31, 2015	Jan. 31, 2014
Variable Interest Entity [Line Items]
Restricted cash (all held by the VIE)	$ 110,698	$ 78,576
Allowance for uncollectible accounts	(210,175)	(190,990)	$ (146,982)	$ (71,801)
Total customer accounts receivable, net	702,162	743,931
Deferred income taxes	71,442	70,219
Total assets	1,941,134	2,025,300	$ 1,645,804
Deferred interest income	13,700	5,200
Long-term debt	1,144,393	1,248,879
Less: deferred debt issuance costs	(10,853)	(22,659)
Total long-term debt	1,156,791
Total liabilities	1,423,344	1,487,019
2015-A Class A Notes [Member]
Variable Interest Entity [Line Items]
Total long-term debt	12,166	551,383
2015-A Class B Notes [Member]
Variable Interest Entity [Line Items]
Total long-term debt	165,900	165,900
2016-A Class A Notes [Member]
Variable Interest Entity [Line Items]
Total long-term debt	64,732	0
2016-A Class B Notes [Member]
Variable Interest Entity [Line Items]
Total long-term debt	70,510	0
2016-A Class C Notes [Member]
Variable Interest Entity [Line Items]
Total long-term debt	70,510	0
2016-B Class A Notes [Member]
Variable Interest Entity [Line Items]
Total long-term debt	256,513	0
2016-B Class B Notes [Member]
Variable Interest Entity [Line Items]
Total long-term debt	111,960	0
Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Restricted cash (all held by the VIE)	110,698	78,576
Due from Conn's, Inc., net	7,368	3,405
Customer accounts receivable	884,367	763,278
Restructured accounts	131,470	107,406
Allowance for uncollectible accounts	(150,435)	(136,325)
Allowance for short-term, no-interest programs	(15,912)	(12,955)
Total customer accounts receivable, net	849,490	721,404
Deferred income taxes	0	0
Total assets	967,556	803,385
Accrued interest	6,525	1,636
Deferred interest income	6,691	3,042
Long-term debt	752,291	717,283
Less: deferred debt issuance costs	(6,710)	(17,768)
Total long-term debt	745,581	699,515
Total liabilities	$ 758,797	$ 704,193