Summary of Table Sets Forth the Effect of Restatement on Affected Line Items in Condensed Consolidated Statement of Comprehensive Income (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Condensed Consolidated Statement of Comprehensive Income Data:
Net income	$ 759	$ (17,271)	$ (9,753)
Comprehensive income	521	$ (17,176)
As Previously Reported [Member]
Condensed Consolidated Statement of Comprehensive Income Data:
Net income	3,622
Comprehensive income	3,384
Interest Method Adjustment [Member]
Condensed Consolidated Statement of Comprehensive Income Data:
Net income	(2,863)
Comprehensive income	$ (2,863)