Accumulated Other Comprehensive Income (Loss) (Tables)

6 Months Ended

12 Months Ended

Sep. 30, 2019

Mar. 31, 2019

Text Block [Abstract]

Summary of Accumulated Other Comprehensive Income (Loss)

	Available For Sale Debt Security		Foreign Currency Translation Adjustment			Cash Flow Hedge			Accumulated Other Comprehensive Income (Loss)
Balance at March 31, 2018	$	—	$	1,268		$	1,268		$	2,536
Cumulative effect of accounting change of the Joint Venture-ASU 2017-12		—		—			490			490
Change associated with foreign currency translation		—		(2,593	)		—			(2,593	)
Change associated with current period hedging		—		—			1,206			1,206
Reclassification into earnings		—		—			(424	)		(424	)
Balance at June 30, 2018	$	—	$	(1,325	)	$	2,540		$	1,215
Change associated with foreign currency translation		—		566			—			566
Change associated with current period hedging		—		—			1,866			1,866
Reclassification into earnings		—		—			(388	)		(388	)
Balance at September 30, 2018	$	—	$	(759	)	$	4,018		$	3,259
Balance at March 31, 2019	$	—	$	(1,565	)	$	(1,691	)	$	(3,256	)
Cumulative effect of accounting change of the Joint Venture-ASU 2018-02		—		—			422			422
Change associated with foreign currency translation		—		226			—			226
Change associated with current period hedging		—		—			(5,117	)		(5,117	)
Reclassification into earnings		—		—			(314	)		(314	)
Balance at June 30, 2019	$	—	$	(1,339	)	$	(6,700	)	$	(8,039	)
Unrealized gain (loss) on available for sale debt securities of the Joint Venture		1,173		—			—			1,173
Change associated with foreign currency translation		—		1,583			—			1,583
Change associated with current period hedging		—		—			(1,509	)		(1,509	)
Reclassification into earnings		—		—			199			199
Balance at September 30, 2019	$	1,173	$	244		$	(8,010	)	$	(6,593	)

	Foreign Currency Translation Adjustment			Cash Flow Hedge			Accumulated Other Comprehensive Income (Loss)
Balance at June 22, 2016 (inception)	$	—		$	—		$	—
Change associated with foreign currency translation		26			—			26
Change associated with current period hedging (net of taxes of $194)		—			(337	)		(337	)
Reclassification into earnings		—			(1	)		(1	)
Balance at March 31, 2017	$	26		$	(338	)	$	(312	)
Change associated with foreign currency translation		1,242			—			1,242
Change associated with current period hedging (net of taxes of $623)		—			1,267			1,267
Reclassification into earnings		—			339			339
Balance at March 31, 2018	$	1,268		$	1,268		$	2,536
Cumulative effect of accounting change by the Joint Venture					490			490
Change associated with foreign currency translation		(2,833	)		—			(2,833	)
Change associated with current period hedging (net of taxes of $2,139)		—			(1,671	)		(1,671	)
Reclassification into earnings		—			(1,778	)		(1,778	)
Balance at March 31, 2019	$	(1,565	)	$	(1,691	)	$	(3,256	)