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Stockholders' and Members' Equity, Equity-Based Compensation (Details)
$ / shares in Units, $ in Millions
3 Months Ended
Oct. 01, 2021
shares
Sep. 30, 2021
shares
Oct. 01, 2020
$ / shares
shares
Feb. 11, 2020
shares
Dec. 31, 2020
USD ($)
Intallment
$ / shares
shares
Equity-Based Compensation [Abstract]          
Percentage of expected performance targets to be achieved target award         100.00%
Expense related to performance award | $         $ 0.1
Class A Common Stock [Member]          
Equity-Based Compensation [Abstract]          
Total number of shares reserved for issuance (in shares)       1,497,529  
Class B Common Stock [Member] | Members of Executive Management [Member]          
Equity-Based Compensation [Abstract]          
Number of shares issued (in shares)       32,754  
Class B Common Stock [Member] | Members of Executive Management [Member] | Minimum [Member]          
Equity-Based Compensation [Abstract]          
Award vesting period         3 years
Class B Common Stock [Member] | Members of Executive Management [Member] | Maximum [Member]          
Equity-Based Compensation [Abstract]          
Award vesting period         5 years
Restricted Stock Units (RSUs) [Member]          
Equity-Based Compensation [Abstract]          
Number of equal annual installments for vesting | Intallment         4
Number of Shares [Abstract]          
Beginning balance (in shares)     301,643   301,643
Awarded (in shares)     101,781   141,020
Vested (in shares)         0
Forfeited (in shares)         0
Ending balance (in shares)         442,663
Weighted Average Grant Date Fair Value [Abstract]          
Beginning balance (in dollars per share) | $ / shares     $ 15.78   $ 15.78
Awarded (in dollars per share) | $ / shares         20.49
Vested (in dollars per share) | $ / shares         0
Forfeited (in dollars per share) | $ / shares         0
Ending balance (in dollars per share) | $ / shares         $ 17.28
Compensation expense | $         $ 1.1
Unrecognized compensation expense | $         $ 5.0
Weighted-average period of recognition         1 year 7 months 6 days
Restricted Stock Units (RSUs) [Member] | Plan [Member]          
Number of Shares [Abstract]          
Awarded (in shares) 25,622 76,159      
Performance Share Unit [Member]          
Equity-Based Compensation [Abstract]          
Award vesting period         3 years
Percentage of target award granted     100.00%    
Number of equal annual installments for vesting | Intallment         3
Number of shares of common stock consisted in each unit (in shares)         1
Number of Shares [Abstract]          
Awarded (in shares)     39,239    
Performance Share Unit [Member] | Minimum [Member]          
Equity-Based Compensation [Abstract]          
Percentage of actual number of unit earned         0.00%
Performance Share Unit [Member] | Maximum [Member]          
Equity-Based Compensation [Abstract]          
Percentage of actual number of unit earned         200.00%