XML 43 R37.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Finance Receivables - Assessment of credit quality by creditworthiness (Details 3) - USD ($) $ in Thousands | Dec. 31, 2023 | Mar. 31, 2023
--- | --- | ---
Finance Receivables |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total | $ 0 | $ 127,482
Finance receivables | 0 | 128,170
Chapter 13 bankruptcy | Finance Receivables |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Finance receivables | 0 | 688
Direct Loans |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total | 8,319 |
Direct Loans | Finance Receivables |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total | 0 | 18,654
Finance receivables | 0 | 18,752
Direct Loans | Chapter 13 bankruptcy | Finance Receivables |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Finance receivables | 0 | 98
Performing accounts | Finance Receivables |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total | 0 | 118,782
Performing accounts | Direct Loans | Finance Receivables |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total | 0 | 16,926
Non-performing accounts | Finance Receivables |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total | 0 | 8,700
Non-performing accounts | Direct Loans | Finance Receivables |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total | 0 | 1,728
Contract Portfolio |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total | 62,664 |
Contract Portfolio | Finance Receivables |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total | 0 | 108,828
Finance receivables | 0 | 109,418
Contract Portfolio | Chapter 13 bankruptcy | Finance Receivables |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Finance receivables | 0 | 590
Contract Portfolio | Performing accounts | Finance Receivables |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total | 0 | 101,856
Contract Portfolio | Non-performing accounts | Finance Receivables |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Total | $ 0 | $ 6,972

X
- Definition Represents gross amount of notes receivable excluding chapter 13 bankrupt accounts. + References No definition available. + Details
Name: | nick_NotesReceivableGrossAmountExcludingChapter13BankruptAccounts
Namespace Prefix: | nick_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents gross amount of notes receivable including chapter 13 bankrupt account + References No definition available. + Details
Name: | nick_NotesReceivableNetAmountIncludingChapter13BankruptAccounts
Namespace Prefix: | nick_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_FinanceReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=nick_BankruptAccountsFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_ConsumerLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentPerformanceStatusAxis=us-gaap_PerformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentPerformanceStatusAxis=us-gaap_NonperformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=nick_ContractReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |