Debt - Additional Information (Detail) - USD ($) | Mar. 31, 2021 | Nov. 27, 2020 | Apr. 24, 2020 | Mar. 31, 2020 | Dec. 19, 2019 | Dec. 03, 2018 | Mar. 31, 2021 | Mar. 31, 2021 | Mar. 31, 2021 | Mar. 31, 2020 | Dec. 07, 2018 | Oct. 31, 2017 |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Proceeds from the issuance of common stock | | | | | | | | $ 249,263,000 | | | | |
Barkbox Inc [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Long term debt current and non current | $ 121,624,000 | | | $ 64,916,000 | | | $ 121,624,000 | $ 121,624,000 | $ 121,624,000 | $ 64,916,000 | | |
Current portion of long term debt | | | | 45,184,000 | | | | | | 45,184,000 | | |
Proceeds from convertible promissory note | | | | | | | | | $ 75,750,000 | 5,367,000 | | |
Barkbox Inc [Member] | Maximum [Member] | Non Qualified Equity Financing [Member] | Forecast [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Proceeds from the issuance of common stock | 30,000,000 | | | | | | | | | | | |
Barkbox Inc [Member] | Minimum [Member] | Propective Qualified Equity Financing [Member] | Forecast [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Proceeds from the issuance of common stock | $ 30,000,000 | | | | | | | | | | | |
Barkbox Inc [Member] | Western Alliance Bank [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Line of credit maximum borrowing capacity | | | | | | | | | | | | $ 35,000,000 |
Barkbox Inc [Member] | Western Alliance Bank And Pinnacle [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Repayment of long term debt | | $ 27,600,000 | | | | | | | | | | |
Barkbox Inc [Member] | Western Alliance Amendment Agreement Three [Member] | Western Alliance Bank [Member] | Revolving Credit Facility [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Long term debt instrument base rate percentage | 5.25% | | | | | | 5.25% | 5.25% | 5.25% | | | |
Debt instrument variable interest rate spread | | | | | | | | | 0.50% | | | |
Line of credit facility borrowing base percentage | 80.00% | | | | | | 80.00% | 80.00% | 80.00% | | | |
Barkbox Inc [Member] | Western Alliance Amendment Agreement Three [Member] | Western Alliance Bank [Member] | Revolving Credit Facility And Additional Term Loan [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Long term debt current and non current | $ 34,300,000 | | | 44,300,000 | | | $ 34,300,000 | $ 34,300,000 | $ 34,300,000 | 44,300,000 | | |
Current portion of long term debt | 0 | | | 39,300,000 | | | 0 | 0 | 0 | 39,300,000 | | |
Barkbox Inc [Member] | Additional Term Loan [Member] | Western Alliance Amendment Agreement [Member] | Western Alliance Bank [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Debt instrument face value | | | | | | | | | | | $ 10,000,000 | |
Barkbox Inc [Member] | Term Loan [Member] | Western Alliance Bank [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Repayment of long term debt | | 10,000,000 | | | | | | | | | | |
Barkbox Inc [Member] | Term Loan [Member] | Pinnacle Agreement [Member] | Pinnacle [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Long term debt current and non current | $ 0 | | | 15,300,000 | | | $ 0 | $ 0 | $ 0 | 15,300,000 | | |
Current portion of long term debt | | | | 5,900,000 | | | | | | 5,900,000 | | |
Payment of debt extinguishment costs | | 2,000,000 | | | | | | | | | | |
Barkbox Inc [Member] | Term Loan [Member] | Pinnacle Agreement [Member] | Pinnacle [Member] | Maximum [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Embedded derivative liability | | | | 100,000 | | | | | | 100,000 | | |
Barkbox Inc [Member] | Term Loan [Member] | Pinnacle Agreement [Member] | Pinnacle [Member] | Prime Rate [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Debt instrument variable interest rate spread | 5.25% | | | | | | | | | | | |
Long term debt instrument variable interest rate percentage | 10.50% | | | | | | 10.50% | 10.50% | 10.50% | | | |
Barkbox Inc [Member] | Term Loan [Member] | Pinnacle Agreement [Member] | Pinnacle [Member] | Principal [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Repayment of long term debt | | 15,300,000 | | | | | | | | | | |
Barkbox Inc [Member] | Term Loan [Member] | Pinnacle Agreement [Member] | Pinnacle [Member] | Interest [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Repayment of long term debt | | 100,000 | | | | | | | | | | |
Barkbox Inc [Member] | Term Loan [Member] | Pinnacle Agreement [Member] | Pinnacle [Member] | Tranche One [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Proceeds from long term debt | | | | | | $ 7,600,000 | | | | | | |
Barkbox Inc [Member] | Term Loan [Member] | Pinnacle Agreement [Member] | Pinnacle [Member] | Tranche Two [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Proceeds from long term debt | | | | | | 3,800,000 | | | | | | |
Barkbox Inc [Member] | Term Loan [Member] | Pinnacle Agreement [Member] | Pinnacle [Member] | Tranche Three [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Proceeds from long term debt | | | | | | $ 3,800,000 | | | | | | |
Barkbox Inc [Member] | 2019 Convertible Promissory Notes [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Long term debt current and non current | $ 7,200,000 | | | | | | $ 7,200,000 | $ 7,200,000 | $ 7,200,000 | | | |
Barkbox Inc [Member] | 2019 Convertible Promissory Notes [Member] | December 2019 [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Embedded derivative liability | $ 2,200,000 | | | | | | 2,200,000 | 2,200,000 | 2,200,000 | | | |
Barkbox Inc [Member] | 2019 Convertible Promissory Notes [Member] | Propective Qualified Equity Financing [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Debt instrument conversion price percentage | 80.00% | | | | | | | | | | | |
Barkbox Inc [Member] | 2019 Convertible Promissory Notes [Member] | Promissory Note Purchase Agreement [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Debt instrument face value | | | | | $ 10,000,000 | | | | | | | |
Proceeds from convertible promissory note | | | | | $ 3,900,000 | | | | | | | |
Barkbox Inc [Member] | 2019 Convertible Promissory Notes [Member] | Promissory Note Purchase Agreement [Member] | Payable In Kind [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Long term debt fixed interest rate percentage | | | | | 7.00% | | | | | | | |
Barkbox Inc [Member] | 2020 Convertible Promissory Notes [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Long term debt current and non current | $ 5,400,000 | | | | | | 5,400,000 | 5,400,000 | 5,400,000 | | | |
Barkbox Inc [Member] | 2020 Convertible Promissory Notes [Member] | March 2020 [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Embedded derivative liability | 1,200,000 | | | | | | 1,200,000 | 1,200,000 | 1,200,000 | | | |
Barkbox Inc [Member] | 2020 Convertible Promissory Notes [Member] | May 2020 [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Embedded derivative liability | 800,000 | | | | | | 800,000 | 800,000 | 800,000 | | | |
Barkbox Inc [Member] | 2020 Convertible Promissory Notes [Member] | June 2020 [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Embedded derivative liability | $ 700,000 | | | | | | 700,000 | 700,000 | 700,000 | | | |
Barkbox Inc [Member] | 2020 Convertible Promissory Notes [Member] | Super Prorata Notes [Member] | Propective Qualified Equity Financing [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Debt instrument conversion price percentage | 60.00% | | | | | | | | | | | |
Barkbox Inc [Member] | 2020 Convertible Promissory Notes [Member] | Prorata Notes [Member] | Propective Qualified Equity Financing [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Debt instrument conversion price percentage | 70.00% | | | | | | | | | | | |
Barkbox Inc [Member] | 2020 Convertible Promissory Notes [Member] | Promissory Note Purchase Agreement [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Debt instrument face value | | | | $ 10,000,000 | | | | | | $ 10,000,000 | | |
Long term debt terms of interest payment | | | | quarterly | | | | | | | | |
Barkbox Inc [Member] | 2020 Convertible Promissory Notes [Member] | Promissory Note Purchase Agreement [Member] | Super Prorata Notes [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Long term debt fixed interest rate percentage | | | | 10.00% | | | | | | 10.00% | | |
Barkbox Inc [Member] | 2020 Convertible Promissory Notes [Member] | Promissory Note Purchase Agreement [Member] | Prorata Notes [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Long term debt fixed interest rate percentage | | | | 8.00% | | | | | | 8.00% | | |
Barkbox Inc [Member] | 2020 Convertible Promissory Notes [Member] | Promissory Note Purchase Agreement [Member] | Tranche One [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Proceeds from convertible promissory note | | | | $ 1,500,000 | | | | | | $ 1,000,000 | | |
Barkbox Inc [Member] | 2020 Convertible Promissory Notes [Member] | Promissory Note Purchase Agreement [Member] | Pinnacle [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Proceeds from convertible promissory note | | | | | | | | | | 800,000 | | |
Barkbox Inc [Member] | Paycheck Protection Programme [Member] | Western Alliance Bank [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Proceeds from long term debt | | | $ 5,200,000 | | | | | | | | | |
Long term debt fixed interest rate percentage | | | 1.00% | | | | | | | | | |
Barkbox Inc [Member] | 2025 Convertible Notes [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Long term debt current and non current | $ 75,000,000 | | | $ 0 | | | $ 75,000,000 | $ 75,000,000 | $ 75,000,000 | $ 0 | | |
Barkbox Inc [Member] | 2025 Convertible Notes [Member] | Magnetar Capital LLC [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Debt instrument face value | | $ 75,000,000 | | | | | | | | | | |
Long term debt fixed interest rate percentage | 5.50% | | | | | | 5.50% | 5.50% | 5.50% | | | |
Long term debt terms of interest payment | | compounded annually | | | | | | | | | | |
Proceeds from long term debt net of issuance costs | | $ 74,700,000 | | | | | | | | | | |
Debt issuance costs gross | $ 300,000 | | | | | | $ 300,000 | $ 300,000 | $ 300,000 | | | |
Long term debt date of commencement of interest payment | | Dec. 1, 2021 | | | | | | | | | | |
Debt instrument conversion price per share | | $ 89.94 | | | | | | | | | | |
Long term debt default rate of interest | | | | | | | 3.00% | | | | | |
Long term debt contingent rate of interest | | | | | | | 2.50% | | | | | |
Barkbox Inc [Member] | 2025 Convertible Notes [Member] | Magnetar Capital LLC [Member] | Direct Listing [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Consecutive Trading Days After The Date of Settlement | | | | | | | 5 days | | | | | |
Barkbox Inc [Member] | 2025 Convertible Notes [Member] | Magnetar Capital LLC [Member] | Special Purpose Acquistion Transaction [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Debt instrument conversion price per share | $ 10 | | | | | | $ 10 | $ 10 | $ 10 | | | |
Valuation of the common stock of the company triggering debt conversion | $ 1,500,000,000 | | | | | | $ 1,500,000,000 | $ 1,500,000,000 | $ 1,500,000,000 | | | |
Barkbox Inc [Member] | 2025 Convertible Notes [Member] | Magnetar Capital LLC [Member] | Change Of Control Of The Company [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Percentage change in the voting power of the common stock holders | | | | | | | 50.00% | | | | | |
Barkbox Inc [Member] | 2025 Convertible Notes [Member] | Magnetar Capital LLC [Member] | Qualified Equity Financing [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Valuation of the common stock of the company triggering debt conversion | 1,500,000,000 | | | | | | $ 1,500,000,000 | 1,500,000,000 | 1,500,000,000 | | | |
Barkbox Inc [Member] | 2025 Convertible Notes [Member] | Magnetar Capital LLC [Member] | Fair Value, Inputs, Level 3 [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Embedded derivative liability | $ 0 | | | | | | $ 0 | $ 0 | $ 0 | | | |
Barkbox Inc [Member] | 2025 Convertible Notes [Member] | Magnetar Capital LLC [Member] | Additional Notes Issuable [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Debt instrument face value | | $ 25,000,000 | | | | | | | | | | |
Barkbox Inc [Member] | 2025 Convertible Notes [Member] | Magnetar Capital LLC [Member] | Enhanced Interest Rate If Default Is Committed [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Long term debt fixed interest rate percentage | 8.00% | | | | | | 8.00% | 8.00% | 8.00% | | | |
Barkbox Inc [Member] | 2025 Convertible Notes [Member] | Magnetar Capital LLC [Member] | Minimum [Member] | Forecast [Member] | Qualified Equity Financing [Member] | | | | | | | | | | | | |
Debt Instrument [Line Items] | | | | | | | | | | | | |
Proceeds from the issuance of common stock | | | | | | | $ 20,000,000 | | | | | |