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Revenue Recognition (Schedule Of Contract Assets And Liabilities) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Opening [Member] |  |  |  |
Contract Receivables and Liabilities [Line Items] |  |  |  |
Receivables | $ 749 | $ 739 | $ 1,269 | $ 1,103
Contract Liabilities | 2,842 | 2,769 | 2,986 | 2,200
Closing [Member] |  |  |  |
Contract Receivables and Liabilities [Line Items] |  |  |  |
Receivables | 1,299 | 899 | 1,299 | 899
Contract Liabilities | 2,607 | 3,038 | 2,607 | 3,038
Increase/(Decrease) [Member] |  |  |  |
Contract Receivables and Liabilities [Line Items] |  |  |  |
Receivables | 550 | 160 | 30 | (204)
Contract Liabilities | $ (235) | $ 269 | $ (379) | $ 838

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- Definition Amount of decrease in right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time from transfer to receivable due to right to consideration becoming unconditional. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130551-203045 + Details
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- Definition Amount of revenue recognized arising from contract liability from change in timeframe for performance obligation to be satisfied. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130551-203045 + Details
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