XML 75 R59.htm IDEA: XBRL DOCUMENT v3.3.1.900
Fair Value Measurements - Summary of Changes in Fair Value of Company's Level 3 Assets (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Beginning Balance $ 1,315 $ 1,340 $ 190
Net Unrealized/Realized Gains (Losses) Included In Revenue-Other 14 19 11
Purchases/Acquisitions     1,095
Sales/Dispositions   (1)  
Foreign Currency Translation Adjustments (53) (43) 44
Ending Balance 1,276 1,315 1,340
Equities [Member]      
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]      
Beginning Balance 1,315 1,340 190
Net Unrealized/Realized Gains (Losses) Included In Revenue-Other 14 19 11
Purchases/Acquisitions     1,095
Sales/Dispositions   (1)  
Foreign Currency Translation Adjustments (53) (43) 44
Ending Balance $ 1,276 $ 1,315 $ 1,340