XML 55 R45.htm IDEA: XBRL DOCUMENT v3.5.0.2
EMPLOYEE BENEFIT PLANS- Net periodic benefit cost (credit) and related components (Details) - Multiple employer pension plan - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Multiemployer Plans [Line Items]        
Interest cost $ 68 $ 65 $ 205 $ 194
Expected return on plan assets (101) (106) (304) (316)
Amortization of net losses 21 19 63 57
Net periodic benefit $ (12) $ (22) $ (36) $ (65)