Business Combinations (eRx Network Holdings, Inc. - Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended	6 Months Ended
	May 01, 2020	Sep. 30, 2020	Sep. 30, 2020
Business Acquisition [Line Items]
Remeasurement loss	$ 6,000
eRx Network Holdings, Inc. [Member]
Business Acquisition [Line Items]
Loss on investment		$ 300
eRx Network Holdings, Inc. [Member] | Maximum [Member]
Business Acquisition [Line Items]
Purchase price allocation period after acquisition			1 year