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EMPLOYEE BENEFITS (Details) - Schedule of Non-Vested Restricted Stock Award Activity - USD ($) shares in Thousands, $ / shares in Thousands, $ in Thousands | 12 Months Ended
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Jan. 31, 2019 | Jan. 31, 2018 | Jan. 31, 2017
Schedule of Non-Vested Restricted Stock Award Activity [Abstract] |  |  |
Non-Vested Shares, Beginning of Period | 29,415 | 23,350 | 3,168
Weighted Average Grant Date Fair Value, Beginning of Period (in Dollars) | $ 2,275 | $ 1,386 | $ 200
Weighted Average Vesting Term, Beginning of Period | 2 years | 2 years | 2 years
Non-Vested Shares, Granted | 21,744 | 14,156 | 21,502
Weighted Average Grant Date Fair Value, Granted (in Dollars per share) | $ 1,623 | $ 1,370 | $ 1,269
Non-Vested Shares, Vested | 13,123 | 8,091 | 1,320
Weighted Average Grant Date Fair Value, Vested (in Dollars) | $ 963 | $ 481 | $ 83
Non-Vested Shares, End of Period | 38,036 | 29,415 | 23,350
Weighted Average Grant Date Fair Value, End of Period (in Dollars) | $ 2,935 | $ 2,275 | $ 1,386
Weighted Average Vesting Term, End of Period | 2 years | 2 years | 2 years

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- Definition The Weighted Average Grant Date Fair Value of shares in share based compensation arrangement + References No definition available. + Details
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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition Intrinsic value of equity-based compensation awards vested. Excludes stock and unit options. + References No definition available. + Details
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