Quarterly report pursuant to Section 13 or 15(d)

Changes in Accumulated Other Comprehensive Loss by Component - Rollforward (Details)

v3.19.2
Changes in Accumulated Other Comprehensive Loss by Component - Rollforward (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Changes to accumulated other comprehensive loss by component    
Balance at the beginning of the period $ (6,049) $ (6,572)
Other comprehensive gain before reclassifications (3,596) 1,460
Amounts reclassified from accumulated other comprehensive loss 175 332
Balance at the end of the period (9,470) (4,780)
Unrealized Net Loss on Interest Rate Swap    
Changes to accumulated other comprehensive loss by component    
Balance at the beginning of the period (1,530) (1,328)
Other comprehensive gain before reclassifications (3,596) 1,460
Amounts reclassified from accumulated other comprehensive loss 70 149
Balance at the end of the period (5,056) 281
Other Postretirement Benefit Liability    
Changes to accumulated other comprehensive loss by component    
Balance at the beginning of the period 2,118 1,392
Amounts reclassified from accumulated other comprehensive loss (115) (77)
Balance at the end of the period 2,003 1,315
Pension Liability    
Changes to accumulated other comprehensive loss by component    
Balance at the beginning of the period (6,637) (6,636)
Amounts reclassified from accumulated other comprehensive loss 220 260
Balance at the end of the period $ (6,417) $ (6,376)