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Revenue Recognition - Revenue Recognized During Period (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Amounts included in contract liabilities at the beginning of the period:    
Performance obligations satisfied $ 1,602 $ 1,094
Changes in the period:    
Changes in the estimated transaction price allocated to performance obligations satisfied in prior periods (216) 215
Performance obligations satisfied from new activities in the period - contract revenue 11,596 34,031
Total revenues $ 12,982 $ 35,340