Leases - Balance Sheet Location (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Operating leases
Operating lease right-of-use assets	$ 14,374	$ 15,131
Other accrued liabilities	2,816	2,852
Long-term operating lease liabilities	11,558	12,279
Total operating lease liabilities	14,374	15,131
Finance leases
Property, plant, and equipment	1,162	1,162
Accumulated amortization	(1,047)	(1,011)
Property, plant, and equipment - net	115	151
Current maturities of long-term debt	80	98
Long-term debt	35	53
Total finance lease liabilities	$ 115	$ 151
Operating lease, liability, current, statement of financial position	Other accrued liabilities	Other accrued liabilities
Finance lease, right-of-use asset, statement of financial position	Property, plant, and equipment - net	Property, plant, and equipment - net
Finance lease, liability, current, statement of financial position	Long-term Debt and Lease Obligation, Current	Long-term Debt and Lease Obligation, Current
Finance lease, liability, noncurrent, statement of financial position	Long-term portion	Long-term portion