Recent Accounting Pronouncements - Additional Information (Detail) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015	Jun. 30, 2015
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Reclassification of deferred tax assets	$ 11,406		$ 2,210
Reclassification of deferred tax liability	$ 21,195		$ 7,105
Adopted Pronouncements
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Reclassification of deferred tax assets		$ 13,300
Reclassification of deferred tax liability		$ 1,000