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Acquisitions - Narrative (Details) $ in Thousands				3 Months Ended	12 Months Ended
	Mar. 10, 2023 USD ($)	May 03, 2022 USD ($)	Apr. 01, 2022 company	Mar. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Business Acquisition
Goodwill				$ 773,698	$ 705,894	$ 657,131
Number of businesses acquired | company			2
Gerald Eve
Business Acquisition
Contingent consideration	$ 1,756			1,800
Goodwill	77,089			77,100
Business acquisition, amount deductible for tax				55,900
Business acquisition, aggregate revenue contribution				9,300
Net assets acquired	$ 114,771
2022 Business Acquisitions
Business Acquisition
Cash and stock issued at closing		$ 65,533			65,500
Goodwill		50,756			50,800
Business acquisition, amount deductible for tax					35,100
Business acquisition, aggregate revenue contribution					17,800
Net assets acquired		$ 72,855			$ 72,900
Restricted Stock Units | Gerald Eve
Business Acquisition
Shares issued as compensation				$ 114,800

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