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SHARE-BASED COMPENSATION- Stock Warrants (Details) - USD ($) | 12 Months Ended
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Dec. 26, 2021 | Dec. 27, 2020 | Dec. 29, 2019 | Dec. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] |  |  |  |
Exercised (in shares0 | 600 |  | 39,014 |
Warrant |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Compensation cost related to stock awards | $ 0 | $ 0 | $ 0 |
Unamortized stock compensation expense | $ 0 |  |  |
Unamortized stock compensation expense, recognition period | 0 years |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding [Roll Forward] |  |  |  |
Warrants / Restricted Stock outstanding at beginning of period (in shares) | 25,862 | 64,482 | 93,216 |
Exercised |  | (38,620) | (28,734) |
Warrants / Restricted Stock outstanding at ending of period (in shares) | 0 | 25,862 | 64,482 | 93,216
Warrants exercisable (in shares) | 0 | 25,862 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Weighted Average Exercise Price [Abstract] [Abstract] |  |  |  |
Warrants outstanding at beginning of period (in dollars per share) | $ 16.80 | $ 13.84 | $ 11.59 |
Exercised |  | 11.85 | 6.55 |
Warrants outstanding at ending of period (in dollars per share) | 0 | 16.80 | $ 13.84 | $ 11.59
Warrants exercisable (in dollars per share) | $ 0 | $ 16.80 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Additional Disclosures [Abstract] |  |  |  |
Warrants outstanding, weighted remaining contractual life | 0 years | 4 months 24 days | 9 months 18 days | 1 year 3 months 18 days
Warrants exercisable, weighted remaining contractual life | 0 years | 4 months 24 days |  |
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Intrinsic Value [Abstract] |  |  |  |
Warrants outstanding at beginning of period | $ 0 | $ 473,000 | $ 805,000 |
Warrants outstanding at ending of period | 0 | 0 | $ 473,000 | $ 805,000
Warrants exercisable, total intrinsic value | $ 0 | $ 0 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] |  |  |  |
Nonvested, number of warrants / restricted stock | 0 | 0 |  |
Nonvested warrants / restricted stock, weighted average grant date fair value | $ 0 | $ 0 |  |
Conversion of stock, shares issued (in shares) |  |  | 20,059 |
Exercised (in shares0 |  |  | 28,734 |
Forfeited / Canceled (in shares) | (25,862) |  |  |
Forfeited / Canceled (in dollars per share) | $ 16.80 |  |  |

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- Definition The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4332-108586 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4313-108586 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123431023&loc=d3e4304-108586 + Details
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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Amount of cost to be recognized for option under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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