XML 18 R46.htm IDEA: XBRL DOCUMENT v3.2.0.727
Fair Value Measurements - Changes in Level 3 Financial Assets and Liabilities Measured on Recurring Basis (Detail) - Accounts Payable and Accrued Expenses and Other Liabilities [Member] - Contingent Consideration [Member] - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]    
Beginning Balance, Contingent Consideration $ 1,452 $ 13,014
Revaluations included in earnings 5,886 186
Ending Balance, Contingent Consideration $ 7,338 $ 13,200