Fair Value Measurements (Detail) - USD ($)	3 Months Ended	9 Months Ended	12 Months Ended
Mar. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Mar. 31, 2021
Cash		$ 3,600,000	$ 6,800,000	$ 7,900,000
Apex Technology Acquisition Corp [Member]
Cash			50,000	50,000
Trust account		532	1,455	680
Invested in U.S. Treasury Securities		351,713,981	176,531,482
Interest expense	$ 148,743		1,621,881
Apex Technology Acquisition Corp [Member] \| US Treasury Securities [Member]
Cash			$ 175,325,383	$ 351,889,481
Apex Technology Acquisition Corp [Member] \| Money Market Funds [Member]
Trust account		94,650
Warrants Liabilities [Member] \| Apex Technology Acquisition Corp [Member] \| Level 3 [Member]
Transfer from Level 3 to Level 2 measurement		$ 23,100,000

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The total amount of cash and securities held by third party trustees pursuant to terms of debt instruments or other agreements as of the date of each statement of financial position presented, which can be used by the trustee only to pay the noncurrent portion of specified obligations.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of the cost of borrowed funds accounted for as interest expense.

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Amount of investment in marketable security, classified as noncurrent.

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