Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2021

Revenue from Contract with Customer [Abstract]

Schedule of Revenue from Contract with Customer Excludes Leasing

Revenues from contracts with customers (excludes leasing) consisted of the following:

	Twelve Months Ended
	December 31, 2021
	Western Hemisphere		Eastern Hemisphere		Asia- Pacific		Total
	(In thousands)
Product Revenues	$	146,609	$	34,912	$	32,239	$	213,760
Service Revenues		45,680		10,268		18,195		74,143
Total	$	192,289	$	45,180	$	50,434	$	287,903

	Twelve Months Ended
	December 31, 2020
	Western Hemisphere		Eastern Hemisphere		Asia- Pacific		Total
	(In thousands)
Product Revenues	$	151,351	$	56,038	$	51,445	$	258,834
Service Revenues		45,536		14,332		15,709		75,577
Total	$	196,887	$	70,370	$	67,154	$	334,411

Schedule of Contract Asset and Liability

Balances related to contracts with customers consisted of the following:

Contract Assets (amounts shown in thousands)

Contract Assets at December 31, 2020	$	135,973
Additions		97,721
Transfers to Accounts Receivable		(135,978	)
Contract Assets at December 31, 2021	$	97,716

Contract Liabilities (amounts shown in thousands)

Contract Liabilities at December 31, 2020	$	10,815
Additions		5,936
Revenue Recognized		(7,529	)
Contract Liabilities at December 31, 2021	$	9,222