Composition of Certain Financial Statement Captions - Summary of Other Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Mar. 31, 2018
Other Assets Noncurrent Disclosure [Abstract]
Capitalized commission costs	$ 11,983	$ 1,394
Deposits	5,594	4,666
Debt issuance costs	3,011	3,544
Other noncurrent assets	9,032	9,191
Other assets	$ 29,620	$ 18,795

Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer; classified as noncurrent.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 40
-Section 50
-Paragraph 3
-Subparagraph (a)
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Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 30
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Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment after one year or beyond the operating cycle, if longer.

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Amount of other miscellaneous assets expected to be realized or consumed after one year or normal operating cycle, if longer.

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Amount of noncurrent assets classified as other.

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