XML 22 R55.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Fair Value Disclosures (Detail Textuals) (Finance receivables) | 12 Months Ended
--- | ---
Mar. 31, 2015
Contracts | Minimum |
Financial Instruments Not Measured At Fair Value [Line Items] |
Initial term of finance receivables | 12 months
Contracts | Maximum |
Financial Instruments Not Measured At Fair Value [Line Items] |
Initial term of finance receivables | 72 months
Direct Loans | Minimum |
Financial Instruments Not Measured At Fair Value [Line Items] |
Initial term of finance receivables | 6 months
Direct Loans | Maximum |
Financial Instruments Not Measured At Fair Value [Line Items] |
Initial term of finance receivables | 48 months

X
- Details
Name: | nick_FinancialInstrumentsNotMeasuredAtFairValueLineItems
Namespace Prefix: | nick_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition This item represents initial term of finance receivables. + References No definition available. + Details
Name: | nick_InitialTermsOfFinanceReceivables
Namespace Prefix: | nick_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration