Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Cash flows from operating activities:
Net (loss) income	$ (98,850)	$ (32,348)	$ 57,451
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization	87,184	74,136	64,012
Loss (gain) on sale of investments		1,308	(72,360)
Amortization of deferred financing costs	8,528	3,197	5,922
Loss on extinguishment of debt	2,055
Share-based compensation expense	55,519
Impairment of intangible assets	14,627
Gain on acquisition of unconsolidated investee	(8,404)
Deferred taxes	(1,778)	11,514	(1,770)
Other	1	2,260	5,263
Changes in operating assets and liabilities, net of effect of acquisitions:
Accounts receivable, net	3,141	(10,243)	16,569
Other receivables	(1,563)	5,898	(17,196)
Inventory	2,049	(1,378)	(2,160)
Other current assets	(4,018)	(9,407)	(2,573)
Other assets	2,948	7,093	(702)
Related parties	(498)	(5,155)	3,307
Accounts payable	(12,426)	2,330	4,535
Accrued expenses	15,509	6,907	7,573
Settlement processing funds, net	137,898	(48,080)	(35,222)
Other	76	178	104
Net cash provided by operating activities	201,998	8,210	32,753
Cash flows from investing activities:
Restricted cash		125,000	(125,000)
Acquisition of businesses, net of cash acquired	(56,193)	(124,964)	(13,984)
Purchase of equipment and improvements	(48,751)	(42,021)	(31,708)
Acquisition of intangible assets	(20,704)	(17,310)	(290)
Net proceeds from sale of investments		205	53,161
Issuance of notes receivable	(37)		(15)
Collections of notes receivable	120	974	589
Net cash used in investing activities	(125,565)	(58,116)	(117,247)
Cash flows from financing activities:
Proceeds from long-term debt	774,359	854,135	763,554
Repayments of long-term debt	(853,487)	(868,990)	(687,294)
Deferred financing costs paid	(3,903)	(1,232)	(21,200)
Contingent consideration paid	(2,505)	(282)	(5,859)
Deferred cash consideration	(65,000)	(5,000)
Consideration paid for additional shares in a consolidated subsidiary		(3,962)
Acquisition of additional non-controlling interest	(16,916)
Distribution to non-controlling interests holders	(7,577)	(5,722)	(4,772)
IPO proceeds, net of underwriter fees	(231,500)
Secondary offering proceeds, net of underwriter fees	24,967
Tax withholdings related to net share settlement of share-based payments	(795)
Contributions by members		71,250
Distribution to members		(1,726)	(2,249)
Net cash provided by financing activities	80,643	38,471	42,180
Effect of exchange rate changes on cash and cash equivalents	(11,521)	13,253	(8,062)
Net increase (decrease) in cash and cash equivalents	145,555	1,818	(50,376)
Cash and cash equivalents, beginning of year	205,142	203,324	253,700
Cash and cash equivalents, end of year	$ 350,697	$ 205,142	$ 203,324