Basis of Presentation and Significant Accounting Policies - Narrative (Details) $ in Thousands, R$ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2021 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2023 BRL (R$)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Significant Accounting Policies [Line Items]
Cash, cash equivalents and restricted cash				$ 66,000	$ 134,400
Restricted cash				3,200	300
Allowance for credit loss				700	700
Assets held for sale				15,400	5,100
Revenue from contract with customer, total orders				20,700	29,300
Advertising expense				2,100	1,500	$ 2,600
Derivative asset				0	100
Derivative financial instruments				0	0
Foreign currency transaction gain (loss), before tax				$ (900)	(500)	1,300
Forecast
Significant Accounting Policies [Line Items]
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests		$ 2,000	R$ 10.0
Subsidiary
Significant Accounting Policies [Line Items]
Noncontrolling interest, ownership percentage by parent				7.00%
Software and Software Development Costs
Significant Accounting Policies [Line Items]
Production costs, period cost	$ 1,500
Government Money Market Funds
Significant Accounting Policies [Line Items]
Cash, cash equivalents and restricted cash				$ 25,900	117,000
Nonoperating Income (Expense)
Significant Accounting Policies [Line Items]
Foreign currency transaction gain (loss), before tax				(400)	(1,300)	1,100
Foreign Exchange Contract
Significant Accounting Policies [Line Items]
Average notional amount				10,300
Foreign Exchange Contract | Not Designated as Hedging Instrument | Other Operating Income (Expense)
Significant Accounting Policies [Line Items]
Gain/(loss) of derivative financial instruments recognized in income, net				$ (500)	$ 800	$ 200
Minimum
Significant Accounting Policies [Line Items]
Standard product warranty description				three months
Maximum
Significant Accounting Policies [Line Items]
Standard product warranty description				two years
General Liability
Significant Accounting Policies [Line Items]
Amount captive is liable per occurrence of claims				$ 1,000
Workers' Compensation Insurance
Significant Accounting Policies [Line Items]
Amount captive is liable per occurrence of claims				$ 350
Astec do Brasil Fabricacao de Equipamentos LTDA
Significant Accounting Policies [Line Items]
Consolidation less than wholly owned subsidiary parent ownership percentage				93.00%