Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities:
Net income	$ 25,708	$ 24,776
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	11,392	7,593
Bad debt expense	587	109
Loss on early extinguishment of debt		136
Equity-based compensation expense	1,293	1,311
Deferred income tax expense	2,701	2,529
Fair value adjustments to contingent consideration	(170)
Other, net	231	319
Changes in operating assets and liabilities	(8,801)	(9,741)
Net cash provided by operating activities	32,941	27,032
Cash flows from investing activities:
Purchases of property, equipment and software	(1,290)	(2,106)
Capitalization of trademark costs	(33)	(16)
Acquisitions, net of cash acquired of $0 and $131		(9,869)
Other investing activity, net		54
Net cash used in investing activities	(1,323)	(11,937)
Cash flows from financing activities:
Payments on debt	(1,175)	(13,734)
Distributions paid to non-controlling unitholders	(10,971)	(8,912)
Dividends and dividend equivalents paid to Class A common stockholders	(6,422)	(5,285)
Payments on capital lease obligations	(5)	(51)
Proceeds from exercise of stock options		101
Payment of payroll taxes related to net settled restricted stock units	(816)	(360)
Net cash used in financing activities	(19,389)	(28,241)
Effect of exchange rate changes on cash	479	508
Net increase (decrease) in cash and cash equivalents	12,708	(12,638)
Cash and cash equivalents, beginning of year	57,609	110,212
Cash and cash equivalents, end of year	70,317	97,574
Supplemental disclosures of cash flow information:
Cash paid for interest	4,904	4,251
Net cash paid for income taxes	7,564	5,957
Schedule of non-cash investing and financing activities:
Note receivable received as consideration for sale of brokerage operations assets		150
Capital lease for property and equipment		33
Increase in accounts payable for capitalization of trademark costs and purchases of property, equipment and software	$ 199	$ 625