Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022	Dec. 31, 2021
Supplemental Disclosures of Cash Flow Information:
Cash paid for interest	$ 675	$ 589
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	(1,486)	(1,731)
Operating lease right-of-use assets obtained in exchange for lease obligations	(76)	(795)
Operating lease right-of-use assets obtained in exchange for lease obligations from acquisitions	0	(50)
Supplemental Disclosures of Non-Cash Investing and Financing Activities:
Capitalized software included in accounts payable	71	120
Recording of deferred tax assets and capital contribution related to exchanges of Class B common stock to Class A common stock	2,466	0
Reconciliation of Cash and Cash Equivalents and Restricted Cash:
Cash and cash equivalents	194,023	147,216	$ 158,575
Restricted cash	0	0
Total	$ 194,023	$ 147,216	$ 158,575	$ 139,578