Debt and Capital Lease Obligations - Schedule of Debt and Capital Lease Obligations (Details) - USD ($)
$ in Thousands |
Apr. 30, 2018 |
Jan. 31, 2018 |
| Long-term debt [Abstract] |
|
|
| Long-term debt |
$ 582,919
|
|
| Capital lease obligations |
4,696
|
$ 4,949
|
| Total debt and capital lease obligations |
962,165
|
1,102,425
|
| Less: |
|
|
| Discount on debt |
(2,387)
|
(2,527)
|
| Deferred debt issuance costs |
(7,063)
|
(8,886)
|
| Current maturities of long-term debt and capital lease obligations |
(23,180)
|
(907)
|
| Long-term debt and capital lease obligations |
929,535
|
1,090,105
|
| Senior Notes [Member] |
|
|
| Long-term debt [Abstract] |
|
|
| Long-term debt |
227,000
|
227,000
|
| 2016-B Class B Notes [Member] | Secured Debt [Member] |
|
|
| Long-term debt [Abstract] |
|
|
| Long-term debt |
0
|
73,589
|
| 2017-A Class A Notes [Member] |
|
|
| Long-term debt [Abstract] |
|
|
| Long-term debt |
4,171
|
|
| 2017-A Class A Notes [Member] | Secured Debt [Member] |
|
|
| Long-term debt [Abstract] |
|
|
| Long-term debt |
4,171
|
59,794
|
| 2017-A Class B Notes [Member] |
|
|
| Long-term debt [Abstract] |
|
|
| Long-term debt |
106,270
|
|
| 2017-A Class B Notes [Member] | Secured Debt [Member] |
|
|
| Long-term debt [Abstract] |
|
|
| Long-term debt |
106,270
|
106,270
|
| 2017-A Class C Notes [Member] |
|
|
| Long-term debt [Abstract] |
|
|
| Long-term debt |
50,340
|
|
| 2017-A Class C Notes [Member] | Secured Debt [Member] |
|
|
| Long-term debt [Abstract] |
|
|
| Long-term debt |
50,340
|
50,340
|
| 2017-B Class A Notes [Member] |
|
|
| Long-term debt [Abstract] |
|
|
| Long-term debt |
188,997
|
|
| 2017-B Class A Notes [Member] | Secured Debt [Member] |
|
|
| Long-term debt [Abstract] |
|
|
| Long-term debt |
188,997
|
292,663
|
| 2017-B Class B Notes [Member] |
|
|
| Long-term debt [Abstract] |
|
|
| Long-term debt |
132,180
|
|
| 2017-B Class B Notes [Member] | Secured Debt [Member] |
|
|
| Long-term debt [Abstract] |
|
|
| Long-term debt |
132,180
|
132,180
|
| 2017-B Class C Notes [Member] |
|
|
| Long-term debt [Abstract] |
|
|
| Long-term debt |
78,640
|
|
| 2017-B Class C Notes [Member] | Secured Debt [Member] |
|
|
| Long-term debt [Abstract] |
|
|
| Long-term debt |
78,640
|
78,640
|
| Warehouse Notes [Member] |
|
|
| Long-term debt [Abstract] |
|
|
| Long-term debt |
22,321
|
0
|
| Less: |
|
|
| Current maturities of long-term debt and capital lease obligations |
|
0
|
| Revolving Credit Facility [Member] |
|
|
| Less: |
|
|
| Deferred debt issuance costs |
(4,400)
|
(5,200)
|
| Revolving Credit Facility [Member] | Line of Credit [Member] |
|
|
| Long-term debt [Abstract] |
|
|
| Long-term debt |
$ 147,550
|
$ 77,000
|