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Stock-based Compensation and Benefits - Narrative (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
NBH Holdings Corp. 2014 Omnibus Incentive Plan [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares authorized | 1,163,729 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Reduction in Number of Shares for Every One Option or Stock Appreciation Right Granted | 1 |  |
Employee Stock Option [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Contractual term (in years) | 10 years |  |
Stock based compensation expense | $ 900,000 | $ 700,000 | $ 900,000
Unrecognized compensation expense | $ 500,000 |  |
Unrecognized compensation cost, weighted-average period, years | 2 years |  |
Employee Stock Option [Member] | NBH Holdings Corp. 2014 Omnibus Incentive Plan [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Award Vesting Rights, Percentage | 33.33% |  |
Restricted Stock [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Awards granted (in shares) | 186,546 | 118,190 |
Restricted Stock [Member] | NBH Holdings Corp. 2014 Omnibus Incentive Plan [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock based compensation expense | $ 4,300,000 | $ 3,400,000 | 2,700,000
Unrecognized compensation expense | $ 4,500,000 |  |
Unrecognized compensation cost, weighted-average period, years | 2 years |  |
Performance stock units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Awards granted (in shares) | 79,215 | 51,931 |
Performance stock units | NBH Holdings Corp. 2014 Omnibus Incentive Plan [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock based compensation expense | $ 2,000,000.0 | $ 1,900,000 | $ 2,000,000.0
Unrecognized compensation expense | $ 2,800,000 |  |
Unrecognized compensation cost, weighted-average period, years | 1 year 9 months 18 days |  |
Awards granted (in shares) | 79,215 | 51,931 | 52,526
Performance period | 3 years |  |
Performance stock units | NBH Holdings Corp. 2014 Omnibus Incentive Plan [Member] | EPS target |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Percentage of awards based on performance type | 60.00% |  |
Performance stock units | NBH Holdings Corp. 2014 Omnibus Incentive Plan [Member] | TSR target |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Percentage of awards based on performance type | 40.00% |  |
Employee Stock [Member] | Employee Stock Purchase Plan 2014 [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Maximum stock purchases by employees, value | $ 25,000 |  |
Maximum stock purchases by employees (in shares) | 2,000 |  |
Discount on purchase of common stock (as a percent) | 90.00% |  |
Offering period for employee stock purchases | 6 months |  |
Number of shares authorized | 400,000 |  |
Shares available for issuance | 235,919 |  |
Employees purchased shares (in shares) | 26,563 | 19,414 |
Minimum [Member] | Employee Stock Option [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting period | 1 year |  |
Minimum [Member] | Restricted Stock [Member] | NBH Holdings Corp. 2014 Omnibus Incentive Plan [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting period | 1 year |  |
Minimum [Member] | Performance stock units | NBH Holdings Corp. 2014 Omnibus Incentive Plan [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Percentage of initial target awards | 0.00% |  |
Maximum [Member] | Employee Stock Option [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting period | 4 years |  |
Maximum [Member] | Restricted Stock [Member] | NBH Holdings Corp. 2014 Omnibus Incentive Plan [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting period | 3 years |  |
Maximum [Member] | Performance stock units | NBH Holdings Corp. 2014 Omnibus Incentive Plan [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Percentage of initial target awards | 150.00% |  |
2Unifi LLC | Class B Units | Share-based payment arrangement | 2023 Equity Unit Incentive Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock options granted in period | 112,000 |  |
Vesting period | 5 years |  |
Unrecognized compensation expense | $ 100,000 |  |
2Unifi LLC | Class B Units | Share-based payment arrangement | 2023 Equity Unit Incentive Plan | EPS target |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Award Vesting Rights, Percentage | 50.00% |  |
2Unifi LLC | Class B Units | Share-based payment arrangement | 2023 Equity Unit Incentive Plan | TSR target |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Award Vesting Rights, Percentage | 25.00% |  |
2Unifi LLC | Class B Units | Maximum [Member] | Share-based payment arrangement | 2023 Equity Unit Incentive Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock options granted in period | 200,000 |  |

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