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Stock-based Compensation - Summary of Stock Option Activity (Detail) $ / shares in Units, $ in Thousands	3 Months Ended
	Sep. 30, 2020 USD ($) $ / shares shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Outstanding, June 30, 2020 | shares	153,143
Granted | shares
Exercised | shares
Forfeited | shares
Outstanding Sep 30, 2020 | shares	153,143
Exercisable, Sep 30, 2020 | shares	130,857
Outstanding, June 30, 2020 | $ / shares	$ 16.63
Granted | $ / shares
Exercised | $ / shares
Forfeited | $ / shares
Outstanding, Sep 30, 2020 | $ / shares	16.63
Exercisable, Sep 30, 2020 | $ / shares	$ 16.63
Outstanding, Sep 30, 2020	3 years 2 months 12 days
Exercisable, Sep 30, 2020	3 years 2 months 12 days
Outstanding, Sep 30, 2020 | $	$ 0	[1]
Exercisable, Sep 30, 2020 | $	$ 0	[1]
[1] Based on closing price of $15.47 per share on September 30, 2020.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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