Nature of Business and Organization (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands			12 Months Ended
	Apr. 22, 2022	Jul. 01, 2019	Mar. 31, 2022	Mar. 31, 2020	Mar. 31, 2021	Jan. 05, 2021
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Termination fee if alternative transaction subsequently consummated			$ 300,000
Proceeds from initial public offering				$ 608,679
Lease, Liability			75,189		$ 107,797
UnitedHealth Group [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Litigation settlement			$ 650,000
UnitedHealth Group [Member] | Subsequent Event [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Payment for purchase of euqity	$ 2,200,000
Common Stock [Member] | UnitedHealth Group [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Dividend Payable			$ 2.00
Joint Venture [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Ownership percentage		41.00%
Shares received from Joint Venture			49,285,713
Change Healthcare Inc. [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Ownership percentage			100.00%
Business acquisition, share price						$ 25.75