| Cover | 12 Months Ended |
| Dec. 31, 2022 | |
| Document Information [Line Items] | |
| Document Type | DEF 14A |
| Amendment Flag | false |
| Entity Information [Line Items] | |
| Entity Registrant Name | PGT INNOVATIONS, INC. |
| Entity Central Index Key | 0001354327 |
| Pay vs Performance Disclosure - USD ($) | 12 Months Ended | ||
| Dec. 31, 2022 | Jan. 01, 2022 | Jan. 02, 2021 | |
| Pay vs Performance Disclosure [Table] | |||
| Pay vs Performance [Table Text Block] | In Non-PEO Summary Compensation 1,2,3 Average Non-PEO 1 Average Non-PEO 1,2,3 Value of Initial 4 Net Income 5 Adjusted 6 Year TSR Peer (a) (b) (c) (d) (e) (f) (g) (h) (i) 2022 $ 4,437,456 $ 3,516,387 $ 1,353,470 $ 1,274,608 $ 137.40 $ 123.90 $ 98.4 $ 253.6 2021 3,531,219 3,766,515 649,475 712,092 152.00 179.50 35.2 169.4 2020 3,252,173 3,407,375 817,149 862,406 121.40 137.20 45.1 150.0 1. Jeffrey T. Jackson was our PEO for each year presented. The individuals comprising the Non-PEO 2020 2021 2022 Robert A. Keller Mike Wothe Mike Wothe Mike Wothe Robert A. Keller Robert A. Keller Brent Boydston Ryan Quinn Eric Kowalewski Sherri Baker Brad West Brad West Brent Boydston John Kunz Sherri Baker 2. The amounts shown for Compensation Actually Paid have been calculated in accordance with Item 402(v) of Regulation S-K 3. Compensation Actually Paid reflects the exclusions and inclusions of certain amounts for the PEO and the Non-PEO Year Summary Exclusion of Inclusion of Compensation 2022 $ 4,437,456 $ (2,216,595 ) $ 1,295,526 $ 3,516,387 2021 3,531,219 (2,084,239 ) 2,319,535 3,766,515 2020 3,252,173 (1,660,875 ) 1,816,077 3,407,375 Year Average Non-PEO Average for Non-PEO Average for Non-PEO Average Non-PEO 2022 $ 1,353,470 $ (402,064 ) $ 323,202 $ 1,274,608 2021 649,475 (215,215 ) 277,832 712,092 2020 817,149 (237,769 ) 283,025 862,406 The amounts in the Inclusion of Equity Values in the tables above are derived from the amounts set forth in the following tables: Year Year-End Fair Change in Fair Vesting-Date Fair Change in Fair Fair Value at Total - 2022 $ 2,193,316 $ (487,681 ) $ - $ (282,883 ) $ (127,226 ) $ 1,295,526 2021 1,993,195 200,464 - 187,059 (61,183 ) 2,319,535 2020 2,039,980 287,155 - 51,446 (562,504 ) 1,816,077 Year Average Year-End Non-PEO Average Change Non-PEO Average Vesting- for Non-PEO Average Change for Non-PEO Average for Non-PEO Total - for Non-PEO 2022 $ 397,849 $ (41,227 ) $ - $ (22,647 ) $ (10,773 ) $ 323,202 2021 244,029 21,266 - 19,184 (6,647 ) 277,832 2020 292,042 42,316 - 4,839 (56,172 ) 283,025 4. The Peer Group TSR set forth in this table utilizes the S&P 500 Building Products Index, which we also utilize in the stock performance graph required by Item 201(e) of Regulation S-K 5. Reflects “Net Income” for each applicable year as set forth in our Consolidated Statements of Operations included in our Annual Report on Form 10-K for each of the applicable years. 6. We determined Adjusted EBITDA to be the most important financial performance measure used to link Company performance to Compensation Actually Paid to our PEO and Non-PEO non-GAAP | ||
| Company Selected Measure Name | Adjusted EBITDA | ||
| Named Executive Officers, Footnote [Text Block] | 1. Jeffrey T. Jackson was our PEO for each year presented. The individuals comprising the Non-PEO 2020 2021 2022 Robert A. Keller Mike Wothe Mike Wothe Mike Wothe Robert A. Keller Robert A. Keller Brent Boydston Ryan Quinn Eric Kowalewski Sherri Baker Brad West Brad West Brent Boydston John Kunz Sherri Baker | ||
| Peer Group Issuers, Footnote [Text Block] | 4. The Peer Group TSR set forth in this table utilizes the S&P 500 Building Products Index, which we also utilize in the stock performance graph required by Item 201(e) of Regulation S-K | ||
| PEO Total Compensation Amount | $ 4,437,456 | $ 3,531,219 | $ 3,252,173 |
| PEO Actually Paid Compensation Amount | $ 3,516,387 | 3,766,515 | 3,407,375 |
| Adjustment To PEO Compensation, Footnote [Text Block] | Year Summary Exclusion of Inclusion of Compensation 2022 $ 4,437,456 $ (2,216,595 ) $ 1,295,526 $ 3,516,387 2021 3,531,219 (2,084,239 ) 2,319,535 3,766,515 2020 3,252,173 (1,660,875 ) 1,816,077 3,407,375 Year Year-End Fair Change in Fair Vesting-Date Fair Change in Fair Fair Value at Total - 2022 $ 2,193,316 $ (487,681 ) $ - $ (282,883 ) $ (127,226 ) $ 1,295,526 2021 1,993,195 200,464 - 187,059 (61,183 ) 2,319,535 2020 2,039,980 287,155 - 51,446 (562,504 ) 1,816,077 | ||
| Non-PEO NEO Average Total Compensation Amount | $ 1,353,470 | 649,475 | 817,149 |
| Non-PEO NEO Average Compensation Actually Paid Amount | $ 1,274,608 | 712,092 | 862,406 |
| Adjustment to Non-PEO NEO Compensation Footnote [Text Block] | Year Average Non-PEO Average for Non-PEO Average for Non-PEO Average Non-PEO 2022 $ 1,353,470 $ (402,064 ) $ 323,202 $ 1,274,608 2021 649,475 (215,215 ) 277,832 712,092 2020 817,149 (237,769 ) 283,025 862,406 Year Average Year-End Non-PEO Average Change Non-PEO Average Vesting- for Non-PEO Average Change for Non-PEO Average for Non-PEO Total - for Non-PEO 2022 $ 397,849 $ (41,227 ) $ - $ (22,647 ) $ (10,773 ) $ 323,202 2021 244,029 21,266 - 19,184 (6,647 ) 277,832 2020 292,042 42,316 - 4,839 (56,172 ) 283,025 | ||
| Compensation Actually Paid vs. Total Shareholder Return [Text Block] | DESCRIPTION OF RELATIONSHIP BETWEEN PEO AND NON-PEO The following chart sets forth the relationship between Compensation Actually Paid to our PEO, the average of Compensation Actually Paid to our Non-PEO | ||
| Compensation Actually Paid vs. Net Income [Text Block] | DESCRIPTION OF RELATIONSHIP BETWEEN PEO AND NON-PEO The following chart sets forth the relationship between Compensation Actually Paid to our PEO, the average of Compensation Actually Paid to our Non-PEO | ||
| Compensation Actually Paid vs. Company Selected Measure [Text Block] | DESCRIPTION OF RELATIONSHIP BETWEEN PEO AND NON-PEO The following chart sets forth the relationship between Compensation Actually Paid to our PEO, the average of Compensation Actually Paid to our Non-PEO | ||
| Total Shareholder Return Vs Peer Group [Text Block] | DESCRIPTION OF RELATIONSHIP BETWEEN COMPANY TSR AND PEER GROUP TSR The following chart compares our cumulative TSR over the three most recently completed fiscal years to that of the S&P 500 Building Products Index over the same period. | ||
| Tabular List [Table Text Block] | TABULAR LIST OF MOST IMPORTANT FINANCIAL PERFORMANCE MEASURES The following table presents the financial performance measures that the Company considers to have been the most important in linking Compensation Actually Paid to our PEO and Non-PEO Adjusted EBITDA Relative TSR | ||
| Total Shareholder Return Amount | $ 137.4 | 152 | 121.4 |
| Peer Group Total Shareholder Return Amount | 123.9 | 179.5 | 137.2 |
| Net Income (Loss) | $ 98,400,000 | $ 35,200,000 | $ 45,100,000 |
| Company Selected Measure Amount | 253,600,000 | 169,400,000 | 150,000,000 |
| PEO Name | Jeffrey T. Jackson | ||
| Measure [Axis]: 1 | |||
| Pay vs Performance Disclosure [Table] | |||
| Measure Name | Adjusted EBITDA | ||
| Non-GAAP Measure Description [Text Block] | Adjusted EBITDA is a non-GAAP | ||
| Measure [Axis]: 2 | |||
| Pay vs Performance Disclosure [Table] | |||
| Measure Name | Relative TSR | ||
| PEO [Member] | Exclusion of Stock Awards [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | $ (2,216,595) | $ (2,084,239) | $ (1,660,875) |
| PEO [Member] | Inclusion of Equity Values [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 1,295,526 | 2,319,535 | 1,816,077 |
| PEO [Member] | Year-End Fair Value of Equity Awards Granted During Year That Remained Unvested as of Last Day of Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 2,193,316 | 1,993,195 | 2,039,980 |
| PEO [Member] | Change in Fair Value from Last Day of Prior Year to Last Day of Year of Unvested Equity Awards [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (487,681) | 200,464 | 287,155 |
| PEO [Member] | Vesting-Date Fair Value of Equity Awards Granted During Year that Vested During Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | 0 | 0 |
| PEO [Member] | Change in Fair Value from Last Day of Prior Year to Vesting Date of Unvested Equity Awards that Vested During Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (282,883) | 187,059 | 51,446 |
| PEO [Member] | Fair Value at Last Day of Prior Year of Equity Awards Forfeited During Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (127,226) | (61,183) | (562,504) |
| Non-PEO NEO [Member] | Exclusion of Stock Awards [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (402,064) | (215,215) | (237,769) |
| Non-PEO NEO [Member] | Inclusion of Equity Values [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 323,202 | 277,832 | 283,025 |
| Non-PEO NEO [Member] | Year-End Fair Value of Equity Awards Granted During Year That Remained Unvested as of Last Day of Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 397,849 | 244,029 | 292,042 |
| Non-PEO NEO [Member] | Change in Fair Value from Last Day of Prior Year to Last Day of Year of Unvested Equity Awards [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (41,227) | 21,266 | 42,316 |
| Non-PEO NEO [Member] | Vesting-Date Fair Value of Equity Awards Granted During Year that Vested During Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | 0 | 0 | 0 |
| Non-PEO NEO [Member] | Change in Fair Value from Last Day of Prior Year to Vesting Date of Unvested Equity Awards that Vested During Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | (22,647) | 19,184 | 4,839 |
| Non-PEO NEO [Member] | Fair Value at Last Day of Prior Year of Equity Awards Forfeited During Year [Member] | |||
| Pay vs Performance Disclosure [Table] | |||
| Adjustment to Compensation Amount | $ (10,773) | $ (6,647) | $ (56,172) |
