Unaudited condensed consolidated statements of cash flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 126,689	$ 9,505
Adjustments to reconcile net income to net cash provided by operating activities-net of effect of acquisitions:
Intangible amortization	192,256	133,041
Depreciation and other amortization	11,454	10,835
Amortization of debt financing costs	2,999	2,856
Non-cash equity compensation expense	22,190	24,569
Non-cash changes in fair value of estimated contingent consideration	(82,450)	96,241
Income from equity method investments	(157)	(514)
Distributions received from equity method investments	1,059	773
Deferred taxes and other non-cash items	38,492	(570)
Changes in cash resulting from changes in operating assets and liabilities:
Accounts receivable	(7,959)	(22,247)
Prepaid expenses and other assets	(7,083)	(17,731)
Accounts payable	21	1,974
Accrued expenses	37,729	35,382
Due to affiliates	(39,020)	22,715
Contingent consideration and other liabilities	(69,038)	(61,181)
Deferred revenue	3,134	2,200
Net cash provided by operating activities	230,316	237,848
CASH FLOWS FROM INVESTING ACTIVITIES:
Cash paid for acquisitions and contingent consideration-net of cash acquired	(361,675)	(286,803)
Purchase of fixed assets	(13,152)	(6,560)
Investment and other, net	(5,232)	(17,232)
Net cash used in investing activities	(380,059)	(310,595)
CASH FLOWS FROM FINANCING ACTIVITIES:
Borrowings under credit facilities	100,000	1,169,500
Repayments of borrowings under credit facilities	(68,523)	(419,145)
Proceeds from issuance of common stock, net		25,767
Payments in connection with unit redemption, net		(25,767)
Payments in connection with tax receivable agreements	(3,856)	(4,423)
Contingent consideration paid	(35,929)	(67,735)
Payments of deferred acquisition consideration	(1,484)
Payments of debt financing costs	(1,111)	(8,282)
Proceeds from exercise of stock options	1,158	6,186
Distributions for unitholders	(20,519)	(26,391)
Other	375	(46)
Net cash provided by (used in) financing activities	(29,889)	649,664
EFFECT OF EXCHANGE RATES ON CASH AND CASH EQUIVALENTS	(2,524)	(568)
CHANGE IN CASH AND CASH EQUIVALENTS	(182,156)	576,349
CASH AND CASH EQUIVALENTS:
Beginning of period	310,684	65,858
End of period	$ 128,528	$ 642,207