Share-Based Compensation - Additional Information for Stock Options (Details) - USD ($) $ / shares in Units, $ in Thousands	2 Months Ended	12 Months Ended
Mar. 31, 2016	Mar. 31, 2018	Mar. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Intrinsic value of options exercised	$ 0	$ 181	$ 0
Grant date fair value of options vested	$ 0	$ 5,831	$ 350
Weighted-average grant date fair value per share of options granted (in USD per share)	$ 0.00	$ 8.35	$ 11.90

Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Grant Date Fair Value

No definition available.

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- References

No definition available.

+ Details

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- Definition

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)(2)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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