Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash flows from operating activities:
Net income	$ 28,252,000	$ 33,324,000	$ 24,249,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	15,166,000	12,090,000	14,473,000
Bad debt expense	604,000	611,000	728,000
Loss on sale or disposition of assets	373,000	1,704,000	67,000
Loss on early extinguishment of debt	1,798,000	136,000	384,000
Equity in earnings of investees	(904,000)	(1,244,000)	(431,000)
Distributions received from equity investees	1,162,000	861,000	469,000
Equity-based compensation	2,995,000	1,089,000
Non-cash interest expense	859,000	936,000	930,000
Deferred income tax expense	402,000	85,000	35,000
Changes in operating assets and liabilities:
Accounts and notes receivable	(585,000)	(1,041,000)	(976,000)
Advances to affiliates	57,000	252,000	313,000
Other current and noncurrent assets	(1,245,000)	(740,000)	(531,000)
Other current and noncurrent liabilities	1,574,000	2,238,000	3,754,000
Deferred revenue	(439,000)	958,000	125,000
Net cash provided by operating activities	50,069,000	51,259,000	43,589,000
Cash flows from investing activities:
Purchases of property, equipment and software	(1,108,000)	(1,610,000)	(918,000)
Proceeds from sale of property and equipment	18,000	32,000	57,000
Cost to sell assets		(106,000)
Capitalization of trademark costs	(232,000)	(206,000)	(486,000)
Acquisitions	(27,305,000)	(45,500,000)
Net cash used in investing activities	(28,627,000)	(47,390,000)	(1,347,000)
Cash flows from financing activities:
Proceeds from issuance of debt	230,000,000	45,000,000
Payments on debt	(234,658,000)	(8,386,000)	(16,484,000)
Debt issuance costs	(1,345,000)	(697,000)
Proceeds from issuance of Class A common stock in initial public offering	235,922,000
Payments of costs directly associated with issuance of Class A common stock	(5,972,000)
Purchase of Common Units from RMCO, LLC	(197,618,000)
Distributions to non-controlling unitholders	(27,614,000)	(9,603,000)	(15,370,000)
Payments on capital lease obligations	(266,000)	(361,000)	(391,000)
Distribution to member in connection with combination of entity under common control			(15,894,000)
Net cash used in financing activities	(1,551,000)	25,953,000	(48,139,000)
Effect of exchange rate changes on cash	(17,000)	68,000	(61,000)
Net increase in cash and cash equivalents	19,874,000	29,890,000	(5,958,000)
Cash and cash equivalents, beginning of year	68,501,000	38,611,000	44,569,000
Cash and cash equivalents, end of year	88,375,000	68,501,000	38,611,000
Supplemental disclosures of cash flow information:
Cash paid for interest	13,769,000	10,688,000	11,245,000
Cash paid for income taxes	2,310,000	2,008,000	2,192,000
Schedule of non-cash activities:
Initial establishment of deferred tax assets	69,711,000
Tax benefit from tax receivable agreements	68,840,000
Note receivable related to sale of assets of regional franchising operations		217,000
Capital leases for property and equipment	581,000	40,000	268,000
Tax distributions payable to non-controlling unitholders	$ 2,552,000