Acquisitions - Summary of Preliminary Acquisition Consideration and the Related Fair Values of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands				22 Months Ended
	Oct. 26, 2018	Aug. 27, 2018	Jun. 01, 2018	Mar. 31, 2019
Business Acquisition [Line Items]
Purchase Consideration				$ 57,263
Net Tangible Assets Acquired/ (Liabilities Assumed)				1,010
Identifiable Intangible Assets				$ 17,938
Goodwill Deductible for Taxes				Not Deductible
Acquisition Related Expenses				$ 1,652
Elevaate
Business Acquisition [Line Items]
Purchase Consideration	$ 13,346
Net Tangible Assets Acquired/ (Liabilities Assumed)	(60)
Identifiable Intangible Assets	3,781
Goodwill	$ 9,625
Goodwill Deductible for Taxes	Not Deductible
Acquisition Related Expenses	$ 549
SavingStar, Inc
Business Acquisition [Line Items]
Purchase Consideration		$ 7,485
Net Tangible Assets Acquired/ (Liabilities Assumed)		(1,126)
Identifiable Intangible Assets		2,577
Goodwill		$ 6,034
Goodwill Deductible for Taxes		Not Deductible
Acquisition Related Expenses		$ 419
Ahalogy
Business Acquisition [Line Items]
Purchase Consideration			$ 36,432
Net Tangible Assets Acquired/ (Liabilities Assumed)			2,196
Identifiable Intangible Assets			11,580
Goodwill			$ 22,656
Goodwill Deductible for Taxes			Not Deductible
Acquisition Related Expenses			$ 684