| Cover | Aug. 17, 2021 |
| Affiliate, Collateralized Security [Line Items] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Aug. 17, 2021 |
| Entity File Number | 001-40524 |
| Entity Registrant Name | Northern Lights Acquisition Corp. |
| Entity Central Index Key | 0001854963 |
| Entity Tax Identification Number | 86-2409612 |
| Entity Incorporation, State or Country Code | DE |
| Entity Address, Address Line One | 909 Bannock Street |
| Entity Address, City or Town | Denver |
| Entity Address, State or Province | CO |
| Entity Address, Postal Zip Code | 80204 |
| City Area Code | (510) |
| Local Phone Number | 323-2526 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Elected Not To Use the Extended Transition Period | false |
| Units, each consisting of one share of Class A Common Stock and one-half of one Redeemable Warrant | |
| Affiliate, Collateralized Security [Line Items] | |
| Title of 12(b) Security | Units, each consisting of one share of Class A Common Stock and one-half of one Redeemable Warrant |
| Trading Symbol | NLITU |
| Security Exchange Name | NASDAQ |
| Class A Common Stock, $0.0001 par value per share | |
| Affiliate, Collateralized Security [Line Items] | |
| Title of 12(b) Security | Class A Common Stock, $0.0001 par value per share |
| Trading Symbol | NLIT |
| Security Exchange Name | NASDAQ |
| Redeemable Warrants, each whole warrant exercisable for one share of Class A Common Stock at an exercise price of $11.50 per share | |
| Affiliate, Collateralized Security [Line Items] | |
| Title of 12(b) Security | Redeemable Warrants, each whole warrant exercisable for one share of Class A Common Stock at an exercise price of $11.50 per share |
| Trading Symbol | NLITW |
| Security Exchange Name | NASDAQ |
