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Nature of Business, Basis of Presentation and Significant Accounting Policies - Textual (Details) - USD ($) $ in Thousands |  | 9 Months Ended |
--- | --- | --- | ---
Dec. 31, 2018 | Sep. 28, 2019 | Sep. 29, 2018 | Dec. 30, 2018
Accounting Policies [Line Items] |  |  |  |
Fiscal year/fiscal quarter duration |  | 91 days | 91 days |
Lease, practical expedients, package |  | true |  |
Lease liability |  | $ 9,966 |  |
Lease payments to lessors |  | 2,553 |  |
Operating lease, right to use asset |  | 9,996 |  |
Topic 842 [Member] |  |  |  |
Accounting Policies [Line Items] |  |  |  |
Lease liability |  | 100 |  | $ 11,500
Lease payments to lessors | $ 100 |  |  |
Operating lease, right to use asset |  | $ 800 |  | $ 11,600
Minimum [Member] |  |  |  |
Accounting Policies [Line Items] |  |  |  |
Fiscal year/fiscal quarter duration |  | 364 days |  |
Maximum [Member] |  |  |  |
Accounting Policies [Line Items] |  |  |  |
Fiscal year/fiscal quarter duration |  | 371 days |  |

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- Definition Accounting policies. + References No definition available. + Details
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- Definition Duration of a fiscal period, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but not limited to, weeks in a year or quarter. + References No definition available. + Details
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- Definition Indicates (true false) whether practical expedients are elected for not reassessing whether any expired or existing contract is or contains lease, lease classification for expired or existing lease, and initial direct cost for any existing lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 10 -Section 65 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=119364159&loc=SL77916155-209984 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 10 -Section 65 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=119364159&loc=SL77916155-209984 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918643-209977 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(1) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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