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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
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Dec. 31, 2021
VALUATION AND QUALIFYING ACCOUNTS |
VALUATION AND QUALIFYING ACCOUNTS | SCHEDULE II –VALUATION AND QUALIFYING ACCOUNTS (in thousands)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Balance at |  | ​ |  | Accounts |  | Balance at
​ | ​ | Beginning | ​ | Charged to | ​ | Written | ​ | End of
​ | ​ | of Period | ​ | Expense | ​ | Off | ​ | Period
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Year Ended December 31, 2019 |  | ​ |  |  |  |  |  |  | ​ |
Deduction from asset accounts: |  | ​ |  |  |  |  |  |  | ​ |
Allowance for credit losses | ​ | $ | 1,112 |  | 15 |  | (21) | ​ | $ | 1,106
​ | ​ |  |  |  |  |  |  | ​ |  |
Year Ended December 31, 2020 | ​ |  |  |  |  |  |  | ​ |  |
Deduction from asset accounts: | ​ |  |  |  |  |  |  | ​ |  |
Allowance for credit losses | ​ | $ | 1,106 |  | 195 |  | (6) | ​ | $ | 1,295
​ | ​ |  |  |  |  |  |  | ​ |  |
Year Ended December 31, 2021 | ​ |  |  |  |  |  |  | ​ |  |
Deduction from asset accounts: | ​ |  |  |  |  |  |  | ​ |  |
Allowance for credit losses | ​ | $ | 1,295 |  | (137) |  | (3) | ​ | $ | 1,155

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- Definition The entire disclosure for valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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- References No definition available. + Details
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