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Stock-Based Compensation - Narrative (Details) - USD ($) $ in Thousands |  | 3 Months Ended
--- | --- | ---
Mar. 08, 2017 | Apr. 01, 2017 | Apr. 02, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |  |  |
Stock-based compensation expense |  | $ 1,295 | $ 1,323
Unrecognized compensation expense related to stock awards |  | $ 7,823 |
Recognition period |  | 2 years |
Executive Officer [Member] | Restricted Stock Units (RSUs) [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of units granted | 39,229 |  |
Aggregate fair value of units granted | $ 2,234 |  |
Actual adjusted EBITDA minimum threshold | 50.00% |  |
Percentage of target RSU amount expected to vest |  | 100.00% |
Executive Officers And Employees [Member] | Time Based Restricted Stock Units [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of units granted | 38,331 |  |
Aggregate fair value of units granted | $ 2,183 |  |
Non-Employee Directors [Member] | Restricted Stock Units (RSUs) [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of units granted | 12,000 |  |
Aggregate fair value of units granted | $ 696 |  |
Vesting on March 10, 2018 [Member] | Time Based Restricted Stock Units [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting percentage | 33.33% |  |
Vesting on March 10, 2018 [Member] | Performance Based Restricted Stock Units [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting percentage | 33.33% |  |
Vesting on March 10, 2019 [Member] | Time Based Restricted Stock Units [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting percentage | 33.33% |  |
Vesting on March 10, 2019 [Member] | Performance Based Restricted Stock Units [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting percentage | 33.33% |  |
Vesting on March 10, 2020 [Member] | Time Based Restricted Stock Units [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting percentage | 33.33% |  |
Vesting on March 10, 2020 [Member] | Performance Based Restricted Stock Units [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting percentage | 33.33% |  |
Minimum [Member] | Adjusted EBITDA between 50 And 100 Percent [Member] | Executive Officer [Member] | Restricted Stock Units (RSUs) [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Target Adjusted EBITDA, adjustment to awards | 50.00% |  |
Minimum [Member] | Adjusted EBITDA between 100 And 115 Percent [Member] | Executive Officer [Member] | Restricted Stock Units (RSUs) [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Target Adjusted EBITDA, adjustment to awards | 100.00% |  |
Maximum [Member] | Adjusted EBITDA between 50 And 100 Percent [Member] | Executive Officer [Member] | Restricted Stock Units (RSUs) [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Target Adjusted EBITDA, adjustment to awards | 100.00% |  |
Maximum [Member] | Adjusted EBITDA between 100 And 115 Percent [Member] | Executive Officer [Member] | Restricted Stock Units (RSUs) [Member] |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Target Adjusted EBITDA, adjustment to awards | 150.00% |  |

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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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