REVENUE (Tables)

12 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregation of Revenue by Revenue Source

The following table presents the Company's revenue disaggregated by revenue source (in thousands):

	Year Ended December 31,
	2019		2018		2017
Revenue from Contracts with Customers:
Transaction-based revenue	$	3,081,074	$	2,471,451	$	1,920,174
Subscription and services-based revenue	883,922		499,010		185,485
Hardware revenue	84,505		68,503		41,415
Bitcoin revenue	516,465		166,517		—
Revenue from other sources:
Subscription and services-based revenue	$	147,534	$	92,696	$	67,179

Schedule of Deferred Revenue

The deferred revenue balances were as follows (in thousands):

	Year Ended December 31,
	2019		2018
Deferred revenue, beginning of the period	$	36,451	$	5,893
Less: cumulative impact of the adoption of ASC 606	—		(4,303)
Deferred revenue, beginning of the period, as adjusted	36,451		1,590
Deferred revenue, end of the period	44,331		36,451
Deferred revenue arising from business combination	—		22,800
Revenue recognized in the period from amounts included in deferred revenue at the beginning of the period	$	31,510	$	1,590