Fair Value Measurements (Tables)

6 Months Ended

12 Months Ended

Sep. 30, 2019

Mar. 31, 2019

Fair Value Disclosures [Abstract]

Summary of Fair Value of Freestanding Derivative

	Fair Values of Derivative Financial Instruments Asset (Liability)
Derivative financial instruments not designated as hedging instruments:	Balance Sheet Location		September 30, 2019		March 31, 2019
Freestanding Option		Dividend receivable	$	34,547	$	81,264

The following table summarizes the fair value of the freestanding derivative at March 31, 2019 and 2018:

	Fair Values of Derivative Financial Instruments Asset (Liability)
Derivative financial instruments not designated as hedging instruments:	Balance Sheet Location		March 31, 2019		March 31, 2018
Freestanding Option		Dividend receivable	$	81,264	$	59,116
			$	81,264	$	59,116

Reconciliation of Fair Value Derivative Using Unobservable Inputs

	Six Months Ended September 30,
	2019			2018
Balance at beginning of period	$	81,264		$	59,116
Increase in fair value based on ASC 505 equity-based compensation		—			8,269
Settlements due to exercise of awards		(1,324	)		(744	)
Change in fair value of equity-based awards		(45,393	)		—
Balance at end of period	$	34,547		$	66,641

The following table presents a reconciliation of the fair value of the derivative for which the Company uses significant unobservable inputs:

	Year Ended March 31, 2019			Year Ended March 31, 2018			Period from June 17, 2016 (inception) to March 31, 2017
Balance at beginning of period	$	59,116		$	39,724		$	—
Receipt of derivative upon contribution of assets to the Joint Venture		—			—			39,724
Increase in fair value based on ASC 505 equity-based compensation		20,135			24,700			—
Settlements due to exercise of awards		(1,297	)		(5,308	)		—
Change in fair value following the performance completion date		3,310			—			—
Balance at end of period	$	81,264		$	59,116		$	39,724

Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis

Description	Balance at September 30, 2019		Quoted in Markets Identical (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Other Investments (see Note 11)	$	274,391	$	—	$	274,391	$	—
Dividend Receivable		34,547		—		—		34,547
Total	$	308,938	$	—	$	274,391	$	34,547

Description	Balance at March 31, 2019		Quoted in Markets Identical (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Other Investments (see Note 11)	$	—	$	—	$	—	$	—
Dividend Receivable		81,264		—		—		81,264
Total	$	81,264	$	—	$	—	$	81,264