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Stock-Based Compensation Plans - Summary of Nonvested Share (Details) - $ / shares | 12 Months Ended
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Jan. 31, 2023 | Jan. 31, 2022 | Jan. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares) | 356,014 | 271,025 | 381,859
Granted, Weighted- Average Grant-Date Fair Value per Share (in dollars per share) | $ 18.47 | $ 16.77 | $ 10.19
Shareholder-Approved Stock Options Plan [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock Options Outstanding (in shares), Beginning | 462,853 | 501,655 |
Weighted- Average Grant-Date Fair Value per Share (in dollars per share), Beginning | $ 13.16 | $ 9.52 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares) | 356,014 | 271,025 |
Granted, Weighted- Average Grant-Date Fair Value per Share (in dollars per share) | $ 18.47 | $ 16.77 |
Vested (in shares) | (313,186) | (300,527) |
Vested, Weighted- Average Grant-Date Fair Value per Share (in dollars per share) | $ 13.72 | $ 11.42 |
Forfeited (in shares) | (16,860) | (9,300) |
Forfeited, Weighted- Average Grant-Date Fair Value per Share (in dollars per share) | $ 3.71 | $ 13.54 |
Stock Options Outstanding (in shares), Ending | 488,821 | 462,853 | 501,655
Weighted- Average Grant-Date Fair Value per Share (in dollars per share), Ending | $ 16.11 | $ 13.16 | $ 9.52

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Gross number of share options (or share units) granted during the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Number of non-vested options forfeited. + References No definition available. + Details
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- Definition Weighted average grant-date fair value of non-vested options forfeited. + References No definition available. + Details
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