| Document and Entity Information | Aug. 16, 2022 |
| Document and Entity Information [Abstract] | |
| Document Type | 8-K |
| Document Period End Date | Aug. 16, 2022 |
| Entity File Number | 001-38761 |
| Entity Registrant Name | LEGACY HOUSING CORPORATION |
| Entity Incorporation, State or Country Code | TX |
| Entity Tax Identification Number | 20-2897516 |
| Entity Address, Address Line One | 1600 Airport Freeway |
| Entity Address, Adress Line Two | #100 |
| Entity Address, City or Town | Bedford |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 76022 |
| City Area Code | 817 |
| Local Phone Number | 799-4900 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock ($0.001 par value) |
| Trading Symbol | LEGH |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Entity Central Index Key | 0001436208 |
| Amendment Flag | false |
