Long-term Debt - Line of Credit (Details)	12 Months Ended
	Dec. 31, 2022 USD ($) LetterOfCredit	Jan. 01, 2022 USD ($)	Dec. 31, 2021 USD ($)	May 07, 2021 USD ($)
Line of Credit [Abstract]
Retained earnings	$ 378,263,000		$ 271,732,000
Long-term debt, net	$ 394,587,000		$ 326,126,000
Cumulative Effect, Period of Adoption, Adjustment [Member]
Line of Credit [Abstract]
Long-term debt, net		$ 66,200,000
Convertible Senior Notes Due 2026 | Cumulative Effect, Period of Adoption, Adjustment [Member]
Line of Credit [Abstract]
Retained earnings		1,200,000
Long-term debt, net		62,600,000
Convertible Senior Notes Due 2025 | Cumulative Effect, Period of Adoption, Adjustment [Member]
Line of Credit [Abstract]
Retained earnings		900,000
Long-term debt, net		$ 3,600,000
Revolving Credit Facility
Line of Credit [Abstract]
Ratio of EBITDA plus stock compensation and minus income taxes paid and capital expenditures to interest expense and scheduled payments due for borrowings	5.00
Revolving Credit Facility | London Interbank Offered Rate (LIBOR) | Minimum
Line of Credit [Abstract]
Margin interest rate percentage	1.00%
Revolving Credit Facility | London Interbank Offered Rate (LIBOR) | Maximum
Line of Credit [Abstract]
Margin interest rate percentage	2.00%
Revolving Credit Facility | Credit Agreement
Line of Credit [Abstract]
Maximum borrowing capacity				$ 200,000,000
Additional commitment increase	$ 75,000,000
Allowable amount of letters of credit for issuance	$ 10,000,000
Number of letters of credit outstanding | LetterOfCredit	2
Letters of Credit Outstanding, Amount	$ 200,000
Available borrowing capacity	$ 199,800,000
Ratio of EBITDA plus stock compensation and minus income taxes paid and capital expenditures to interest expense and scheduled payments due for borrowings	3.50
Leverage Ratio	2.50
Leverage Ratio needed for payment of dividends	3.50
Long-term debt, net	$ 50,000,000
Revolving Credit Facility | Credit Agreement | Prime Rate
Line of Credit [Abstract]
Interest rate at period end	7.50%
Revolving Credit Facility | Credit Agreement | Prime Rate | Minimum
Line of Credit [Abstract]
Margin interest rate percentage	0.00%
Revolving Credit Facility | Credit Agreement | Prime Rate | Maximum
Line of Credit [Abstract]
Margin interest rate percentage	1.00%
Revolving Credit Facility | Credit Agreement | London Interbank Offered Rate (LIBOR)
Line of Credit [Abstract]
Interest rate at period end	4.39%