Income Taxes - Additional Information (Detail) - USD ($)		3 Months Ended
	Jul. 07, 2011	Sep. 30, 2016	Sep. 30, 2011
Income Tax Disclosure [Abstract]
Percentage of donated shares of common stock			7.00%
Number of donated shares of common stock	314,755		314,755
Value of donated shares of common stock			$ 3,147,550
Value of donated shares of common stock, per share			$ 10.00
Cash contributed to the foundation	$ 450,000		$ 450,000
Total donated stock and cash expensed			$ 3,597,550
Valuation allowance		$ 0
Carry forward period for claiming deduction of charitable contribution		5 years