Condensed consolidated statements of cash flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities:
Net income	$ 49,300	$ 20,890
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	23,127	24,160
Amortization of deferred financing costs	1,114	1,070
Amortization of favorable leases and asset retirement obligations	297	380
Amortization of interest rate caps	459
Deferred tax expense (benefit)	11,062	(141)
Provision for bad debts	44	547
Gain on disposal of property and equipment	(347)	(76)
Equity-based compensation	1,373	4,647
Changes in operating assets and liabilities:
Accounts receivable	4,898	8,830
Due to and due from related parties	8,494	4,532
Inventory	3,798	237
Other assets and other current assets	(1,635)	(563)
Accounts payable and accrued expenses	(10,172)	(11,745)
Other liabilities and other current liabilities	(30)	57
Income taxes	(7,543)	969
Payable to related parties pursuant to tax benefit arrangements	(6,007)
Equipment deposits	(1,609)	823
Deferred revenue	(1,264)	626
Deferred rent	379	1,330
Net cash provided by operating activities	75,738	56,573
Cash flows from investing activities:
Additions to property and equipment	(9,266)	(13,830)
Proceeds from sale of property and equipment	402	76
Net cash used in investing activities	(8,864)	(13,754)
Cash flows from financing activities:
Proceeds from issuance of Class A common stock sold in initial public offering, net of underwriting discounts and commissions		156,946
Use of proceeds from issuance of Class A common stock to purchase Holdings Units		(156,946)
Exercise of common stock options	79
Proceeds from issuance of long-term debt		120,000
Principal payments on capital lease obligations	(37)	(343)
Repayment of long-term debt	(3,825)	(3,525)
Payment of deferred financing and other debt-related costs		(1,698)
Premiums paid for interest rate caps		(880)
Repurchase and retirement of Class B common stock	(1,583)
Distributions to Continuing LLC Members	(27,071)	(171,101)
Net cash used in financing activities	(32,437)	(57,547)
Effects of exchange rate changes on cash and cash equivalents	87	(102)
Net increase (decrease) in cash and cash equivalents	34,524	(14,830)
Cash and cash equivalents, beginning of period	31,430	43,291
Cash and cash equivalents, end of period	65,954	28,461
Supplemental cash flow information:
Net cash paid for income taxes	8,121	1,105
Cash paid for interest	17,187	17,063
Non-cash investing activities:
Non-cash additions to property and equipment	$ 127	$ 709