Long-Term Debt and Revolving Line of Credit - Other Information (Details) - USD ($) $ in Thousands					3 Months Ended	12 Months Ended
	Dec. 28, 2020	Jul. 15, 2020	Apr. 03, 2018	Jan. 25, 2018	Sep. 30, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Jun. 17, 2021	Aug. 14, 2017
Debt Instrument
Accrued interest payable						$ 96	$ 39
Outstanding Loan						294,766	298,780
Amount borrowed							19,880
Variable Interest Term Loan
Debt Instrument
Principal amount										$ 250,000
Additional borrowings			$ 40,000	$ 25,000
Interest paid on loan						11,211	13,960	$ 18,520
Accrued interest payable						30	32
Revolving Line of Credit
Debt Instrument
Maximum borrowing capacity of revolving line of credit									$ 100,000	20,000
Available borrowings						$ 100,000	$ 20,000		$ 80,000
Effective interest rate (as a percent)						3.65%	4.48%
Interest paid on loan						$ 93	$ 457	174
Accrued interest payable						66	0
Prepayment on the loan					$ 755
Standby letter of credit
Debt Instrument
Available borrowings										10,000
letters of credit outstanding						239,000	120
Term Loan
Debt Instrument
Prepayment on the loan						0	1,527
Fixed Rate Term Loan
Debt Instrument
Principal amount										$ 100,000
Interest rate (as a percent)										8.25%
Interest paid on loan						$ 0	$ 11,449	$ 8,365
Accrued interest payable	$ 3,000
Prepayment on the loan	$ 80,000	$ 20,000
Outstanding Loan		$ 80,000