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Revenue (Tables) | 12 Months Ended
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Dec. 31, 2022
Revenue from Contract with Customer [Abstract] |
Schedule of disaggregated revenue |
|  | Years ended December 31, |
|  | 2022 |  |  | 2021 |
Project implementation phase: |  |  |  |  |  |
Revenues from pre-production implementation projects |  | $ | 189,335 |  |  | $ | 178,419 |
Revenues from post-production implementation projects |  |  | 285,401 |  |  |  | 282,616 |
Total |  | $ | 474,736 |  |  | $ | 461,035 |
Schedule of trade receivables, unbilled receivables, contract assets and contract liabilities |
|  | December 31, |
|  | 2022 |  |  | 2021 |
Trade receivables (net of allowance for credit losses of $1,130 and $1,337 on December 31, 2022 and 2021, respectively) |  |  | 58,563 |  |  |  | 53,985 |
Short-term unbilled receivables *) |  |  | 20,488 |  |  |  | 16,072 |
Long-term unbilled receivables *) |  |  | 1,169 |  |  |  | 858 |
Contract assets **) |  |  | 15,064 |  |  |  | 6,988 |
Deferred revenues (short-term contract liabilities) ***) |  |  | 30,720 |  |  |  | 39,614 |
Long-term deferred revenues (long-term contract liabilities) ***) |  |  | - |  |  |  | 299 |
| *) | Unbilled receivables relate to revenue recognized in excess of amounts invoiced as the Company has an unconditional right to invoice and receive payment in the future related to its fulfilled obligations.
| **) | Contract assets relate to unbilled receivables (including a long-term balance of $733 and $784 presented in other long-term assets as of December 31, 2022 and 2021, respectively), which represent revenue recognized on arrangements for which billings have not yet been presented to customers because the amounts were earned but not contractually billable as of the balance sheet date, and the right to consideration is generally subject to milestone completion, client acceptance or factors other than the passage of time.
| ***) | Deferred revenue represents billings to customers for which revenue has not yet been recognized. Deferred revenue that is expected to be recognized beyond the next 12 months is considered long-term deferred revenue and included in other long-term liabilities in the consolidated balance sheets.

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130551-203045 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045 + Details
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- References No definition available. + Details
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