Condensed Consolidated Statements of Cash Flows Supplemental Information - Significant Non-cash Investing Activities - (Details) - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021
Net increase (decrease) in accruals related to:
Cash consideration in respect of SSIMWAVE acquisition	[1]	$ 3,227
Investment in equipment supporting joint revenue sharing arrangements		1,229	$ 217
Acquisition of other intangible assets		45	(863)
Purchases of property, plant and equipment	[2]	103	(8)
Net accruals		$ 4,604	$ (654)

[1] As of September 30, 2022, the Company's Condensed Consolidated Balance Sheets include a liability of $3.2 million related to its acquisition of SSIMWAVE on September 22, 2022, which is recorded on the Condensed Consolidated Balance Sheets within Accrued and Other Liabilities. (See Note 4.)

[2] See Note 5 for supplemental disclosure of noncash leasing activities.