Goodwill and Intangible Assets, Net - Additional Information (Detail) - USD ($)	3 Months Ended	6 Months Ended	12 Months Ended
Mar. 31, 2020	Mar. 31, 2019	Jun. 30, 2019	Dec. 31, 2019
Goodwill And Intangible Assets Disclosure [Abstract]
Goodwill	$ 51,889,000			$ 51,889,000
Goodwill impairment amount	$ 0		$ 0	$ 0
Weighted average remaining useful life	2 years 3 months 18 days
Amortization of intangible assets	$ 100,000	$ 100,000

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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