Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities:
Net income	$ 25,188	$ 22,307
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	7,619	7,750
Bad debt expense	487	305
Gain on sale or disposition of assets, net	(615)	(1)
Loss on early extinguishment of debt	94	178
Equity-based compensation	668	332
Non-cash interest expense	209	186
Deferred income tax expense and other	1,083	1,313
Changes in operating assets and liabilities:
Accounts and notes receivable, current portion	(3,516)	(3,542)
Advances from/to affiliates	333	(12)
Other current and noncurrent assets	567	1,854
Other current and noncurrent liabilities	113	(2,777)
Deferred revenue and deposits	1,976	1,549
Net cash provided by operating activities	34,206	29,442
Cash flows from investing activities:
Purchase of property, equipment and software	(919)	(702)
Proceeds from sale of property and equipment	11	1
Capitalization of trademark costs	(41)	(58)
Disposition	20
Cost to sell assets	(71)
Net cash used in investing activities	(1,000)	(759)
Cash flows from financing activities:
Payments on debt	(8,360)	(15,740)
Capitalized debt amendment costs	(555)
Distributions to non-controlling unitholders	(34,357)	(14,437)
Dividends paid to Class A common stockholders	(20,912)	(1,449)
Payments on capital lease obligations	(154)	(103)
Proceeds from exercise of stock options	2,013
Excess tax benefit realized on exercise of stock options and delivery of vested restricted stock units	2,361	125
Cancellation of vested restricted stock units for required tax withholding		(818)
Net cash used in financing activities	(59,964)	(32,422)
Effect of exchange rate changes on cash	(165)	(16)
Net decrease in cash and cash equivalents	(26,923)	(3,755)
Cash and cash equivalents, beginning of year	107,199	88,375
Cash and cash equivalents, end of period	80,276	84,620
Supplemental disclosures of cash flow information:
Cash paid for interest and for debt amendment costs	4,901	4,507
Cash paid for income taxes	2,367	4,197
Schedule of non-cash investing and financing activities:
Note receivable received as consideration for sale of brokerage operations assets	430
Capital leases for property and equipment	412	18
Increase in accounts payable for capitalization of trademark costs and purchases of property, equipment and software	$ 459	$ 50