| Cover Page | Jul. 28, 2020 | Apr. 28, 2020 |
| Cover [Abstract] | ||
| Document Type | 8-K | |
| Document Period End Date | Jul. 28, 2020 | |
| Entity Registrant Name | VERITEX HOLDINGS, INC. | |
| Entity Incorporation, State or Country Code | TX | |
| Entity File Number | 001-36682 | |
| Entity Tax Identification Number | 27-0973566 | |
| Entity Address, Address Line One | 8214 Westchester Drive, Suite 800 | |
| Entity Address, City or Town | Dallas | |
| Entity Address, State or Province | TX | |
| Entity Address, Postal Zip Code | 75225 | |
| City Area Code | 972 | |
| Local Phone Number | 349-6200 | |
| Title of 12(b) Security | Common Stock, par value $0.01 per share | |
| Trading Symbol | VBTX | |
| Security Exchange Name | NASDAQ | |
| Written Communications | false | |
| Soliciting Material | false | |
| Pre-commencement Tender Offer | false | |
| Pre-commencement Issuer Tender Offer | false | |
| Entity Emerging Growth Company | false | |
| Entity Central Index Key | 0001501570 | |
| Amendment Flag | false |
