Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred income tax assets:
Inventory basis difference	$ 3,459	$ 1,136
Accounts receivable reserve	334	270
Rental equipment and Property, plant and equipment	347	201
Stock based compensation	826	754
Pension liability	2,900	3,351
Employee benefit accrual	2,451	3,070
Product liability and warranty reserves	2,177	2,464
Foreign net operating loss	3,078	3,764
Lease liability	4,738	4,221
Capitalized R&D costs	4,230	0
Other	1,635	1,415
Total deferred income tax assets	26,175	20,646
Less: Valuation allowance	(3,637)	(4,129)
Net deferred income tax assets	22,538	16,517
Deferred income tax liabilities:
Inventory basis differences	(264)	(283)
Rental equipment and Property, plant and equipment	(14,373)	(13,253)
Lease asset	(4,637)	(4,149)
Intangible assets	(19,301)	(18,041)
Expenses not currently deductible for book purposes	(1,244)	(1,139)
Total deferred income tax liabilities	(39,819)	(36,865)
Net deferred income taxes	$ (17,281)	$ (20,348)

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