Revenue - Contract balances (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Revenue
Accounts receivable	$ 163,187	$ 129,450
Contract assets	141,453	104,287
Deferred revenue and contract liabilities	$ 253,597	$ 229,898

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

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