Amount of cumulative effect of the change in accounting principle or new accounting pronouncement on retained earnings or other components of equity or net assets in the statement of financial position as of the beginning of the earliest period presented.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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Basis of Presentation and Adoption of Recently Issued Accounting Standards - Additional Information (Detail) - USD ($)	Sep. 30, 2019	Jul. 01, 2019	Jun. 30, 2019
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Operating lease liabilities	$ 1,320,000
Operating lease ROU assets	$ 1,317,000		$ 0
Accounting Standards Codification (“ASC”) 842 [Member]
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Operating lease liabilities		$ 1,423,000
Operating lease ROU assets		1,423,000
Impact on retained earnings		$ 0