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EQUIPMENT AND PROPERTY, NET (Tables) | 12 Months Ended
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Dec. 31, 2022
EQUIPMENT AND PROPERTY, NET |
Equipment and property are presented at cost less accumulated depreciation | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
December 31, |  | 2022 |  | 2021
(in thousands) |  | ​ |  |  | ​ |
Buildings | ​ | $ | 51,223 | ​ | $ | 54,935
Operating equipment | ​ |  | 132,411 | ​ |  | 126,732
Furniture and fixtures | ​ |  | 20,389 | ​ |  | 19,261
Computer equipment and systems | ​ |  | 233,108 | ​ |  | 223,648
​ | ​ |  | 437,131 | ​ |  | 424,576
Less: accumulated depreciation | ​ |  | (333,298) | ​ |  | (315,891)
​ | ​ |  | 103,833 | ​ |  | 108,685
Land | ​ |  | 24,213 | ​ |  | 24,572
Equipment and property, net | ​ | $ | 128,046 | ​ | $ | 133,257
​

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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