Income Taxes - Unrecognized Tax Benefit (Details) - USD ($) $ in Thousands	12 Months Ended
Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2017
Unrecognized Tax Benefits [Roll Forward]
Balance at the beginning of the period	$ 9,594	$ 11,727	$ 8,695
Gross increase related to current year tax positions	1,027	1,168	1,878
Gross increase related to prior year tax positions	3,282	1,243	1,154
Settlements	(1,157)	(4,501)
Lapse of statute of limitations	(1,804)	(43)
Balance at the end of the period	$ 10,942	$ 9,594	$ 11,727

Unrecognized Tax Benefits [Roll Forward]

No definition available.

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- Definition

Amount of unrecognized tax benefits.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
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- Definition

Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

+ References

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

+ References

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