Fair Value Measurements - Fair Value Measurement for Contingent Consideration (Detail) $ in Thousands	Mar. 31, 2016 USD ($)
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Contingent consideration, Beginning balance	$ 5,658
Contingent consideration, Ending balance	5,658
Level 3
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Contingent consideration, Beginning balance	5,658
Contingent consideration, Ending balance	$ 5,658