Revenue - Narratives (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue
Total net sales (Note 4)	$ 513,620	$ 497,411
Contract with customer, assets	36,179	37,843
Contract liabilities	3,235	1,324
Contract assets transferred to receivables	24,501	27,126
Cash proceeds from liability contract	3,245	803
Revenue recognized from contract liability	917	3,784
Deferred revenue	$ 13,411	$ 7,144
Over time
Disaggregation of Revenue
Customer revenue transferred (percentage)	29.90%	29.40%
Total net sales (Note 4)	$ 153,631	$ 146,020
Over time | Performance Based
Disaggregation of Revenue
Total net sales (Note 4)	100,787	101,160
Over time | Delivery Based
Disaggregation of Revenue
Total net sales (Note 4)	$ 52,844	$ 44,860
Point in time
Disaggregation of Revenue
Customer revenue transferred (percentage)	70.10%	70.60%
Total net sales (Note 4)	$ 359,989	$ 351,391