Stock Based Compensation - Compensation costs (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Compensation costs
Equity-based compensation cost	$ 2,923	$ 2,314	$ 5,145	$ 3,910
Unrecognized compensation costs related to restricted stock units	34,327	25,316	34,327	25,316
Restricted stock units (RSUs)
Compensation costs
Equity-based compensation cost	954	514	1,589	514
Employee stock option
Compensation costs
Equity-based compensation cost	1,889	$ 1,800	3,476	$ 3,396
ESPP
Compensation costs
Equity-based compensation cost	$ 80		$ 80

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479830/718-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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Amount of cost to be recognized for option under share-based payment arrangement.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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