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ALLOWANCE FOR CREDIT LOSSES | 9 Months Ended
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Sep. 30, 2021
Credit Loss [Abstract] |
ALLOWANCE FOR CREDIT LOSSES | ALLOWANCE FOR CREDIT LOSSES Our allowance for credit losses is computed using a number of factors including our past credit loss experience, the aging of amounts due from our customers, and our customers' credit ratings, in addition to other customer specific factors. We have also assessed the current macroeconomic environment, including the impact of the COVID-19 pandemic, to determine our ending allowance for credit losses for both accounts receivable and contract assets. The allowance for credit losses on contract assets was not significant. A rollforward of our allowance for credit losses on our accounts receivable balance is presented below for the nine months ended September 30, 2021:
Balance, December 31, 2020 | $ | 38,113 |
Provision | 2,885 |
Write-offs | (3,884) |
Balance, September 30, 2021 | $ | 37,114 |
Recoveries of amounts previously written off were not significant for the three and nine months ended September 30, 2021.

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- Definition The entire disclosure for credit loss on financial instrument measured at amortized cost basis, net investment in lease, off-balance sheet credit exposure, and available-for-sale debt security. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=124269663&loc=SL82922895-210455 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 21 -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919272-210447 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919236-210447 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919269-210447 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=124269663&loc=SL82922888-210455 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919244-210447 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447 + Details
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