Income Taxes - Deferred Tax Assets (Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred tax assets-
Accounts receivable and allowance for doubtful accounts	$ 2,530	$ 1,878
Stock-based compensation	3,809	3,392
Accrued liabilities and expenses	34,179	36,255
Lease liabilities	32,048	27,944
Net operating loss carryforwards	5,361	10,379
Intangible assets	9,204	3,851
Research and experimental expenditures	106,002
Other	539	758
Subtotal	193,672	84,457
Valuation allowances	(379)	(475)
Total deferred tax assets	193,293	83,982
Deferred tax liabilities-
Property and equipment	(18,882)	(15,534)
Lease right-of-use asset	(32,025)	(27,905)
Long-term contracts	(1,870)	(964)
Goodwill	(23,288)	(17,321)
Other	(1,563)	(1,098)
Total deferred tax liabilities	(77,628)	(62,822)
Net deferred tax assets	115,665	21,160
Deferred income tax assets
Deferred tax assets	$ 115,665	22,905
Deferred tax liabilities		$ 1,745