XML 73 R55.htm IDEA: XBRL DOCUMENT v3.3.1.900
Pension Plans - Aggregate Benefits Expected to be Paid Out of Plan Assets (Detail)
$ in Thousands
Dec. 31, 2015
USD ($)
Compensation and Retirement Disclosure [Abstract]  
2016 $ 879
2017 951
2018 1,019
2019 1,104
2020 1,196
2021-2025 $ 7,600