Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating activities
Net loss	$ (20,081)	$ (7,830)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization	11,737	7,387
Deferred income taxes	(4,348)	(2,811)
Amortization of deferred costs	894	801
Foreign currency re-measurement loss	587	(171)
Non-cash interest and other expense	552	283
Non-cash stock compensation expense	9,320	4,628
Changes in operating assets and liabilities, net of purchase business combinations:
Accounts receivable	(1,664)	5,980
Prepaids and other	(2,778)	(1,268)
Accounts payable	(3,439)	(269)
Accrued expenses and other liabilities	(5,942)	(766)
Deferred revenue	9,853	(1,087)
Net cash provided by (used in) operating activities	(5,309)	4,877
Investing activities
Purchase of property and equipment	(296)	(173)
Purchase of customer relationships	(201)	0
Purchase business combinations, net of cash acquired	(67,651)	(2,999)
Net cash used in investing activities	(68,148)	(3,172)
Financing activities
Payments on finance leases	(55)	(233)
Proceeds from notes payable, net of issuance costs	(72)	(120)
Payments on notes payable	(1,350)	(1,781)
Taxes paid related to net share settlement of equity awards	(768)	(1,504)
Issuance of common stock, net of issuance costs	41	96
Additional consideration paid to sellers of businesses	(1,000)	(1,258)
Net cash used in financing activities	(3,204)	(4,800)
Effect of exchange rate fluctuations on cash	325	379
Change in cash and cash equivalents	(76,336)	(2,716)
Cash and cash equivalents, beginning of period	175,024	16,738
Cash and cash equivalents, end of period	98,688	14,022
Supplemental disclosures of cash flow information:
Cash paid for interest, net of interest rate swaps	7,435	4,854
Cash paid for taxes	508	758
Sales commissions paid, net of amortization of deferred commissions	1,250	1,184
Non-cash investing and financing activities:
Business combination consideration including holdbacks and earnouts	345	0
Equipment acquired pursuant to financing lease obligations	$ 0	$ 44