Schedule of Software (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Mar. 31, 2019
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	$ 150,300	$ 113,600
Less accumulated amortization	98,894	85,008
Total finite-lived intangible assets, net	51,406	28,592
Developed technology, gross (Software)
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	51,525	51,525
Acquired developed technology
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	78,500	54,000
Software Development
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	130,025	105,525
Less accumulated amortization	105,134	98,664
Total finite-lived intangible assets, net	$ 24,891	$ 6,861