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AOCI (Tables)
 12 Months Ended
Dec. 31, 2015
Accumulated Other Comprehensive Income [Abstract]  
Components of accumulated other comprehensive income
 
Losses on Interest Rate Swaps(A)
 
Post Retirement Benefit Plan Items(B)
 
Total
2014:
 
 
 
 
 
Balance at January 1, 2014
$
(30,000
)
 
$
4,902,000

 
$
4,872,000

Other comprehensive income before reclassifications
—

 
(2,726,000
)
 
(2,726,000
)
Amounts reclassified from accumulated other comprehensive income
21,000

 
(449,000
)
 
(428,000
)
Income tax (expense) benefit
(7,000
)
 
1,119,000

 
1,112,000

Balance at December 31, 2014
$
(16,000
)
 
$
2,846,000

 
$
2,830,000

 
 
 
 
 
 
2015:
 
 
 
 
 
Balance at December 31, 2014
$
(16,000
)
 
$
2,846,000

 
$
2,830,000

Other comprehensive income before reclassifications
—

 
48,000

 
48,000

Amounts reclassified from accumulated other comprehensive income
21,000

 
(327,000
)
 
(306,000
)
Income tax (expense) benefit
(8,000
)
 
81,000

 
73,000

Balance at December 31, 2015
$
(3,000
)
 
$
2,648,000

 
$
2,645,000