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v3.24.2

Finance Receivables (Detail Textuals) - USD ($) $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2024 | Mar. 31, 2024 | Mar. 31, 2023
Accounts Notes And Loans Receivable [Line Items] |  |  |
Criteria for receivable to be delinquent account |  | 121 days |
Finance receivable sheld for sale valuation allowance | $ 17,300 |  |
Direct Loans |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Average contractual interest rate | 0.00% | 0.00% | 30.40%
Percentage of direct loan to total loan portfolio | 11.00% | 11.00% | 15.00%
Finance Receivables [Member] | Contracts |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Average contractual interest rate | 22.10% | 22.10% | 22.20%
Minimum [Member] |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Criteria for receivable to be delinquent account |  | 121 days |
Minimum [Member] | Direct Loans |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Finance receivables, net | $ 1 | $ 1 |
Initial term of the direct finance receivables |  | 6 months |
Minimum [Member] | Finance Receivables [Member] | Contracts |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Initial term of the indirect finance receivables |  | 12 months |
Maximum [Member] | Direct Loans |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Finance receivables, net | $ 15 | $ 15 |
Initial term of the direct finance receivables |  | 72 months |
Maximum [Member] | Finance Receivables [Member] | Contracts |  |  |
Accounts Notes And Loans Receivable [Line Items] |  |  |
Initial term of the indirect finance receivables |  | 84 months |

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- Definition This element represents the number of days after which the receivable account is considered as delinquent account which will be written off. + References No definition available. + Details
Name: | nick_DelinquentAccountCriteriaPeriod
Namespace Prefix: | nick_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Finance receivables average interest rate. + References No definition available. + Details
Name: | nick_FinanceReceivablesAverageInterestRate
Namespace Prefix: | nick_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition This item represents the percentage of the direct loan in the total loan portfolio. + References No definition available. + Details
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Namespace Prefix: | nick_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

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- Definition This item represents initial term of direct finance receivables. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- Definition This item represents initial term of indirect finance receivables. + References No definition available. + Details
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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 Amount of expense for valuation allowance on financing receivable transferred to held-for-sale classification. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481990/310-10-45-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 948 -SubTopic 310 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481852/948-310-45-2 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Amortized cost, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(5)(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479617/946-210-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481990/310-10-45-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-5 + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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