Pension Plans | Postretirement Medical Plans | Total | |||||||||
Unrecognized prior service (cost) / credit | $ | (74 | ) | $ | 4 | $ | (70 | ) | |||
Unrecognized net actuarial (loss) / gain | (1,984 | ) | 71 | (1,913 | ) | ||||||
Total amounts included in AOCI | (2,058 | ) | 75 | (1,983 | ) | ||||||
Prepaid / (accrued) pension cost | 957 | (892 | ) | 65 | |||||||
Net balance sheet liability | $ | (1,101 | ) | $ | (817 | ) | $ | (1,918 | ) |