Condensed consolidated statements of cash flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities:
Net income	$ 71,466	$ 53,912
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	20,484	17,084
Amortization of deferred financing costs	2,664	973
Amortization of favorable leases	0	186
Amortization of asset retirement obligations	168	0
Amortization of interest rate caps	0	446
Deferred tax expense	8,854	13,300
Loss (gain) on re-measurement of tax benefit arrangement	4,852	(354)
Provision for bad debts	(10)	(8)
Loss on reacquired franchise rights	0	350
(Gain) loss on disposal of property and equipment	(54)	547
Equity-based compensation	2,279	2,687
Changes in operating assets and liabilities, excluding effects of acquisitions:
Accounts receivable	12,465	22,281
Due to and due from related parties	(461)	3,375
Inventory	2,608	(501)
Other assets and other current assets	(9,288)	(3,109)
National advertising fund	(5,096)	(1,634)
Accounts payable and accrued expenses	(20,831)	(16,884)
Other liabilities and other current liabilities	1,777	(2,908)
Income taxes	1,987	131
Payable to related parties pursuant to tax benefit arrangements	(17,476)	(21,706)
Equipment deposits	(532)	2,503
Deferred revenue	6,631	6,229
Leases and deferred rent	17	1,594
Net cash provided by operating activities	82,504	78,494
Cash flows from investing activities:
Additions to property and equipment	(18,925)	(8,136)
Acquisition of franchises	(14,801)	(28,503)
Proceeds from sale of property and equipment	54	134
Net cash used in investing activities	(33,672)	(36,505)
Cash flows from financing activities:
Principal payments on capital lease obligations	(27)	(23)
Repayment of long-term debt	(6,000)	(3,592)
Proceeds from issuance of Class A common stock	1,520	400
Dividend equivalent payments	(138)	(138)
Distributions to Continuing LLC Members	(3,742)	(3,503)
Net cash used in financing activities	(8,387)	(6,856)
Effects of exchange rate changes on cash and cash equivalents	542	(429)
Net increase in cash, cash equivalents and restricted cash	40,987	34,704
Cash, cash equivalents and restricted cash, beginning of period	320,139	113,080
Cash, cash equivalents and restricted cash, end of period	361,126	147,784
Supplemental cash flow information:
Net cash paid for income taxes	6,530	2,929
Cash paid for interest	26,923	16,795
Non-cash investing activities:
Non-cash additions to property and equipment	$ 1,896	$ 2,072