XML 19 R37.htm IDEA: XBRL DOCUMENT v3.2.0.727
Post Retirement Benefits (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2015
Jun. 30, 2015
Jun. 30, 2014
Pension, health and life insurance expense:          
Multi-employer plan contributions $ 217,000 $ 171,000   $ 428,000 $ 336,000
Defined contribution plan contributions 173,000 148,000   407,000 361,000
Total pension expense 390,000 319,000   835,000 697,000
Interest cost 79,000 69,000   158,000 138,000
Amortization of prior service costs (124,000) (124,000)   (248,000) (248,000)
Amortization of net loss 42,000 12,000   84,000 24,000
Net periodic benefit cost (3,000) (43,000)   (6,000) (86,000)
Total post retirement benefits expense $ 387,000 $ 276,000   829,000 $ 611,000
Payments to pension plans       1,108,000  
Payments for post retirement healthcare and life insurance       $ 244,000  
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]          
Document Fiscal Year Focus       2015  
Scenario, Forecast [Member]          
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]          
Expected payments to pension plans     $ 514,000    
Expected future payments for other post retirement benefits     $ 820,000