Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2015

Fair Value Measurements [Abstract]

Schedule of financial assets and liabilities, at fair value

As indicated in the tables below, the Company has determined that its financial assets and liabilities at December 31, 2015 and 2014 are level 1 and level 2 in the fair value hierarchy:

	December 31, 2015
	Level 1		Level 2		Level 3		Total
Financial Assets:
Trading equity securities:
SERP money market fund	$	445	$	--	$	--	$	445
SERP mutual funds		2,864		--		--		2,864
Preferred stocks		742		--		--		742
Trading debt securities:
Corporate bonds		3,756		141		--		3,897
Municipal bonds		--		1,811		--		1,811
Floating rate notes		84		--		--		84
U.S. Treasury bills		404		--		--		404
Savings bonds		77		--		--		77
Other government bonds		--		2,755		--		2,755
Derivative financial instruments		--		1,265		--		1,265
Total financial assets	$	8,372	$	5,972	$	--	$	14,344
Financial Liabilities:
SERP liabilities	$	--	$	5,869	$	--	$	5,869
Total financial liabilities	$	--	$	5,869	$	--	$	5,869

	December 31, 2014
	Level 1		Level 2		Level 3		Total
Financial Assets:
Trading equity securities:
SERP money market fund	$	532	$	--	$	--	$	532
SERP mutual funds		3,195		--		--		3,195
Preferred stocks		973		--		--		973
Trading debt securities:
Corporate bonds		2,825		1,184		--		4,009
Municipal bonds		--		2,060		--		2,060
Floating rate notes		100		322		--		422
U.S. Treasury bills		622		--		--		622
Other government bonds		--		1,496		--		1,496
Derivative financial instruments		--		547		--		547
Total financial assets	$	8,247	$	5,609	$	--	$	13,856
Financial Liabilities:
SERP liabilities	$	--	$	8,128	$	--	$	8,128
Total financial liabilities	$	--	$	8,128	$	--	$	8,128