Intangible Assets, Net and Goodwill - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 231,725	$ 107,390
Accumulated Amortization	(28,170)	(14,940)
Net Carrying Value	203,555	92,450
Purchased customer accounts
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	156,303	53,987
Accumulated Amortization	(15,692)	(9,143)
Net Carrying Value	140,611	44,844
Software
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	31,161	30,590
Accumulated Amortization	(9,773)	(5,070)
Net Carrying Value	21,388	25,520
Distributor relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	32,380	13,000
Accumulated Amortization	(1,093)	(331)
Net Carrying Value	31,287	12,669
Carrier relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	7,859	7,200
Accumulated Amortization	(945)	(170)
Net Carrying Value	6,914	7,030
Trade names
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	4,022	2,613
Accumulated Amortization	(667)	(226)
Net Carrying Value	$ 3,355	$ 2,387