Shareholders' Equity - Additional Information (Detail)		3 Months Ended	12 Months Ended
Shareholders' Equity - Additional Information (Detail)	Mar. 30, 2023 Right $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares	Dec. 30, 2023 USD ($) $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares	Feb. 07, 2023 USD ($)	May 22, 2019 USD ($)
Schedule Of Equity [Line Items]
Acquisition of treasury stock			$ 83,090,000	$ 1,565,000
Preferred stock, par value \| $ / shares		$ 0.01	$ 0.01	$ 0.01
2023 Share Repurchase Program [Member]
Schedule Of Equity [Line Items]
Shares repurchased \| shares			3,300,233
Stock repurchase program, authorized amount					$ 250,000,000
Total cost of common stock repurchased			$ 82,300,000
Percentage excise tax imposed			1.00%
Share repurchase program an initial term			3 years
2019 Share Repurchase Program [Member]
Schedule Of Equity [Line Items]
Shares repurchased \| shares		86,124
Stock repurchase program, authorized amount						$ 30,000,000
Total cost of common stock repurchased		$ 1,600,000
Restricted Stock [Member]
Schedule Of Equity [Line Items]
Shares repurchased \| shares			241,290	95,001
Acquisition of treasury stock			$ 7,200,000	$ 1,900,000
Common Stock [Member]
Schedule Of Equity [Line Items]
Shares repurchased \| shares			3,300,233	86,124
Shareholder Rights Plan [Member]
Schedule Of Equity [Line Items]
Number of dividend rights declared \| Right	1
Rights expiration, description			The Rights expire on the earliest of (1) March 30, 2024, unless such date is extended, or (2) the redemption or exchange of the Rights as described above.
Rights exercisable upon minimum percentage of beneficial ownership acquired			10.00%
Series A Participating Preferred Stock [Member] \| Shareholder Rights Plan [Member]
Schedule Of Equity [Line Items]
Preferred Stock Dividends, Shares \| shares	0.001
Preferred stock, par value \| $ / shares	$ 0.01
Shares issued, exercise price \| $ / shares	$ 90

PGT Innovations, Inc. 10-K