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v3.23.1

Government Grants (Details) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 USD ($)
Other Income [Line Items] |
Increase (decrease) in grants receivable | $ 9,800
Maryland |
Other Income [Line Items] |
Increase (decrease) in grants receivable | 9,400
West Virginia |
Other Income [Line Items] |
Increase (decrease) in grants receivable | $ 400

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Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |