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Employee Benefits - Schedule of Non-Vested Restricted Stock Award Activity (Details) - USD ($) | 6 Months Ended
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Jul. 31, 2025 | Jul. 31, 2024
Schedule Of Non Vested Restricted Stock Award Activity Abstract |  |
Non-Vested Shares, Beginning of Period | 162,392 | 162,855
Weighted Average Grant Date Fair Value, Beginning of Period | $ 6,190,000 | $ 5,369,000
Weighted Average Vesting Term, Beginning of Period | 2 years | 2 years
Non-Vested Shares, Granted | 59,928 | 63,407
Weighted Average Grant Date Fair Value, Granted | $ 2,860,000 | $ 2,894,000
Forfeited, Shares |  |
Forfeited, Amount |  |
Non-Vested Shares, Vested | 82,210 | 63,870
Weighted Average Grant Date Fair Value, Vested | $ 2,946,000 | $ 2,073,000
Non-Vested Shares, End of Period | 140,110 | 162,392
Weighted Average Grant Date Fair Value, End of Period | $ 6,104,000 | $ 6,190,000
Weighted Average Vesting Term, End of Period | 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 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://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + 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://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(02) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + 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 -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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