Significant Accounting Policies - Contract Balances (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) category	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)	Jan. 01, 2022 USD ($)
Significant Accounting Policies
Accounts receivable, net	$ 106,831		$ 106,831		$ 101,616	$ 184,102
Deferred revenues	13,262		13,262		17,585	17,518
Customer deposits	15,906		15,906		16,955	17,707
Costs to obtain and fulfill a contract	1,563		1,563		1,674	$ 2,328
Unbilled receivables, net	30,800		30,800		25,700
Revenue recognized from deferred revenue	$ 8,000	$ 4,800	14,800	$ 13,500	16,500
Amortization of contract costs			$ 400	$ 600	$ 1,100
Practical expedient on incremental costs of obtaining contracts			true
Number of principal categories | category			2