Financing - Narrative (Details) - USD ($)				3 Months Ended		12 Months Ended
	Mar. 31, 2022	Dec. 30, 2020	Aug. 24, 2017	Sep. 30, 2021	Sep. 30, 2020	Jun. 30, 2018	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Dec. 29, 2020	Jun. 30, 2017
Line of Credit Facility [Line Items]
Long-term debt				$ 123,111,000			$ 143,275,000
Revolving credit loan				25,000,000			45,000,000
Term loan				99,063,000			99,375,000
Current maturities of long-term obligations				76,250,000			4,250,000
Debt issuance costs				952,000			$ 1,100,000
Repayments of debt				20,000,000	$ 8,800,000
Revolving Credit Facility
Line of Credit Facility [Line Items]
Maximum borrowing capacity		$ 170,000,000		170,000,000						$ 120,000,000
Increase in maximum borrowing capacity		50,000,000
Credit Agreement
Line of Credit Facility [Line Items]
Long-term debt				99,063,000
Outstanding letters of credit				1,284,000
Purchase of stock (up to)				3,000,000
Share repurchase (up to)				$ 35,000,000
Period of permitted share repurchases (in years)				1 year
Dividend and distributions (up to)				$ 10,000,000
Deferred finance costs											$ 2,074,000
Debt issuance costs								$ 671,000
Credit Agreement | Long-term Debt
Line of Credit Facility [Line Items]
Repayments of debt			$ 50,000,000
Write off of deferred debt issuance cost						$ 829,000
Credit Agreement | Long-term Debt | Forecast
Line of Credit Facility [Line Items]
Debt instrument, periodic payment	$ 3,000,000
Credit Agreement | Revolving Credit Facility
Line of Credit Facility [Line Items]
Revolving credit loan				25,000,000
Available borrowing capacity				$ 143,716,000
Stated interest rate (as a percent)				1.33%
Credit Agreement | Revolving Credit Facility | Minimum
Line of Credit Facility [Line Items]
Line of credit facility, unused capacity, commitment fee rate (as a percent)				0.20%
Credit Agreement | Revolving Credit Facility | Maximum
Line of Credit Facility [Line Items]
Line of credit facility, unused capacity, commitment fee rate (as a percent)				0.40%
Credit Agreement | Revolving Credit Facility | Federal Funds
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate (as a percent)				0.50%
Credit Agreement | Revolving Credit Facility | Base Rate
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate (as a percent)				1.00%
Credit Agreement | Revolving Credit Facility | Base Rate | Minimum
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate (as a percent)				0.25%
Credit Agreement | Revolving Credit Facility | Base Rate | Maximum
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate (as a percent)				1.25%
Credit Agreement | Revolving Credit Facility | LIBOR | Minimum
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate (as a percent)				1.25%
Credit Agreement | Revolving Credit Facility | LIBOR | Maximum
Line of Credit Facility [Line Items]
Debt instrument, basis spread on variable rate (as a percent)				2.25%
Third Amendment
Line of Credit Facility [Line Items]
Deferred finance costs								$ 638,000
Incremental Term Loan | Secured Debt
Line of Credit Facility [Line Items]
Term loan		$ 25,000,000		$ 24,063,000					$ 25,000,000
Current maturities of long-term obligations				$ 1,250,000
Incremental Term Loan | Secured Debt | Interest Rate through December 31, 2022
Line of Credit Facility [Line Items]
Stated interest rate (as a percent)		5.00%							5.00%
Incremental Term Loan | Secured Debt | Interest Rate from January 1, 2023 through June 30, 2024
Line of Credit Facility [Line Items]
Stated interest rate (as a percent)		7.50%							7.50%
Existing Term Loans | Secured Debt
Line of Credit Facility [Line Items]
Term loan		$ 75,000,000