Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Cash flows from operating activities:
Net income	$ 11,886	$ 11,214
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	13,915	12,722
Bad debt expense	261	3,860
Equity-based compensation expense	18,307	4,933
Deferred income tax expense	335	1,099
Fair value adjustments to contingent consideration	10	(355)
Non-cash lease expense (benefit)	(635)
Other, net	177	229
Changes in operating assets and liabilities	(13,917)	(17,379)
Net cash provided by operating activities	30,339	16,323
Cash flows from investing activities:
Purchases of property, equipment and capitalization of software	(7,551)	(3,102)
Net cash used in investing activities	(7,551)	(3,102)
Cash flows from financing activities:
Payments on debt	(1,253)	(1,322)
Distributions paid to non-controlling unitholders	(6,999)	(5,566)
Dividends and dividend equivalents paid to Class A common stockholders	(9,143)	(8,262)
Payments related to tax withholding for share-based compensation	(5,298)	(2,268)
Net cash used in financing activities	(22,693)	(17,418)
Effect of exchange rate changes on cash	355	(107)
Net increase (decrease) in cash, cash equivalents and restricted cash	450	(4,304)
Cash, cash equivalents and restricted cash, beginning of period	121,227	103,601
Cash, cash equivalents and restricted cash, end of period	121,677	99,297
Supplemental disclosures of cash flow information:
Cash paid for interest	3,955	4,608
Net cash paid for income taxes	$ 9,792	$ 1,682