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Summary of Significant Accounting Policies (Goodwill) (Details) - USD ($) $ in Thousands | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2021 | Jul. 01, 2021 | Dec. 31, 2020
Business Combination, Separately Recognized Transactions [Line Items] |  |  |
Goodwill | $ 61,615 |  | $ 0
Intangible assets, net | $ 24,700 |  | $ 0
Minimum |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |
Expected useful lives (in years) | 1 year |  |
Maximum |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |
Expected useful lives (in years) | 10 years |  |
Lima One |  |  |
Business Combination, Separately Recognized Transactions [Line Items] |  |  |
Goodwill | $ 61,600 | $ 61,615 |

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