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REVENUE RECOGNITION AND RECEIVABLES (Tables) | 9 Months Ended
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Sep. 30, 2022
REVENUE RECOGNITION AND RECEIVABLES |
Summary of revenues | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | Three months ended | ​ | Nine months ended
​ | September 30, 2022 | ​ | September 30, 2021 | ​ | September 30, 2022 | ​ | September 30, 2021
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Services transferred over time | $ | 161,312 | ​ | $ | 143,866 | ​ | $ | 469,585 | ​ | $ | 350,386
Goods and services transferred at a point in time | ​ | 10,133 | ​ | ​ | 12,510 | ​ | ​ | 28,321 | ​ | ​ | 39,782
Total revenue accounted for under ASC 606 | ​ | 171,445 | ​ | ​ | 156,376 | ​ | ​ | 497,906 | ​ | ​ | 390,168
Summary of contracts asset and liabilities | Contract assets and liabilities consisted of the following (amounts in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | September 30, 2022 | ​ | December 31, 2021 | ​ | ​ | $ Change | ​ | % Change
Contract asset – current | $ | 3,465 | ​ | $ | 4,805 | ​ | $ | (1,340) | ​ | (28) | %
Contract asset – noncurrent | ​ | 1,095 | ​ | ​ | 900 | ​ | ​ | 195 | ​ | 22 | %
Contract liability – current | ​ | (26,519) | ​ | ​ | (25,332) | ​ | ​ | (1,187) | ​ | (5) | %
Contract liability – noncurrent | ​ | (74,260) | ​ | ​ | (81,391) | ​ | ​ | 7,131 | ​ | 9 | %
Net contract liability | $ | (96,219) | ​ | $ | (101,018) | ​ | $ | 4,799 | ​ | 5 | %
Schedule of activity in allowances for credit losses | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Nine months ended September 30, 2022 |  | Nine months ended September 30, 2021
​ | ​ | ​ | ​ | ​ | ​ | ​
Balance at beginning of period | ​ | $ | 13,885 | ​ | $ | 12,121
Current period provision for expected losses | ​ | ​ | 4,969 | ​ | ​ | 3,303
Write-offs charged against the allowance | ​ | ​ | (3,083) | ​ | ​ | (1,422)
Recoveries collected | ​ | ​ | 326 | ​ | ​ | 320
Balance at end of period | ​ | $ | 16,097 | ​ | $ | 14,322

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- Definition Tabular disclosure of allowance for credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
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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 http://asc.fasb.org/extlink&oid=123351226&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 http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045 + Details
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