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v3.22.2.2

Finance Receivables (Detail Textuals 1) | 6 Months Ended
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Sep. 30, 2022
Accounts Notes And Loans Receivable [Line Items] |
Maximum criteria for receivable to be a performing account | 61 days
Percentage of more than payment contractually for delinquent | 10.00%
Minimum criteria for receivable to be a non-performing account | 61 days
Minimum |
Accounts Notes And Loans Receivable [Line Items] |
Criteria for receivable to be delinquent account | 121 days

X
- 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

X
- Definition This element represents the number of days after which the receivable account is considered as non- performing account. + References No definition available. + Details
Name: | nick_NonPerformingAccountCriteriaMinimumPeriod
Namespace Prefix: | nick_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents percentage of payment contractually for delinquent. + References No definition available. + Details
Name: | nick_PercentageOfPaymentContractuallyForDelinquent
Namespace Prefix: | nick_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents the number of days before which the receivable account is considered as performing account. + References No definition available. + Details
Name: | nick_PerformingAccountCriteriaMaximumPeriod
Namespace Prefix: | nick_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |