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Stock-Based Compensation (Tables) | 3 Months Ended
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Mar. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of stock-based compensation expense | Included in the accompanying condensed consolidated statements of operations are the following amounts of stock-based compensation for the three months ended March 31, 2021 and 2020 (amounts in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three months |
​ | ​ | ended |
​ | ​ | March 31, |
​ | ​ | 2021 | ​ | 2020 |
Operating expense |  | $ | 3 |  | 1 | ​
Selling, general and administrative | ​ |  | 9,867 | ​ | 1,800 | ​
​ | ​ | $ | 9,870 | ​ | 1,801 | ​
Series C common stock |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of stock awards activity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  |  |  |  | ​ |  | Weighted |  |  | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | average | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | remaining | ​ | Aggregate
​ | ​ | ​ | ​ | ​ | ​ | ​ | contractual | ​ | intrinsic
​ | ​ | Series C | ​ | WAEP | ​ | life | ​ | value
​ | ​ | (in thousands) | ​ | ​ | ​ | ​ | (in years) | ​ | (in millions)
Outstanding at January 1, 2021 |  | 3,327 | ​ | $ | 92.35 | ​ | ​ | ​ | ​ | ​
Granted |  | 199 | ​ | $ | 152.25 | ​ | ​ | ​ | ​ | ​
Exercised |  | (3) | ​ | $ | 73.85 | ​ | ​ | ​ | ​ | ​
Forfeited/cancelled | ​ | — | ​ | $ | — | ​ | ​ | ​ | ​ | ​
Outstanding at March 31, 2021 |  | 3,523 | ​ | $ | 95.74 |  | 4.9 | ​ | $ | 202
Exercisable at March 31, 2021 |  | 2,052 | ​ | $ | 59.39 |  | 3.8 | ​ | $ | 186

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- Definition Tabular disclosure of share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=115993241&loc=d3e301413-122809 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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