Fair Value Measurements - Additional Information (Details) - USD ($) $ in Thousands	9 Months Ended
Dec. 31, 2019	Mar. 31, 2019
Business Acquisition [Line Items]
Change in fair value of contingent consideration	$ 425
Inforth Technologies, LLC
Business Acquisition [Line Items]
Business combination, contingent consideration arrangements, change in range of outcomes, contingent consideration, liability, value, high	4,000
Inforth Technologies, LLC \| Other Current Liabilities
Business Acquisition [Line Items]
Contingent consideration related to acquisitions	1,400	$ 1,000
Inforth Technologies, LLC \| Selling, General and Administrative
Business Acquisition [Line Items]
Change in fair value of contingent consideration	400
Topaz Information Systems, LLC \| Other Noncurrent Liabilities
Business Acquisition [Line Items]
Contingent consideration related to acquisitions	$ 1,875

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No definition available.

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Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 4
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e7008-128479

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- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)(3)
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Amount of liability recognized arising from contingent consideration in a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

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