Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2018

Fair Value Measurements [Abstract]

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, 2018 and 2017 are level 1 and level 2 in the fair value hierarchy:

	December 31, 2018
	Level 1		Level 2		Total
Financial Assets:
Trading equity securities:
SERP money market fund	$	229	$	--	$	229
SERP mutual funds		4,755		--		4,755
Preferred stocks		248		--		248
Trading debt securities:
Corporate bonds		5,398		--		5,398
Municipal bonds		--		1,546		1,546
Floating rate notes		1,300		--		1,300
U.S. Treasury bills		2,210		--		2,210
Asset-backed securities		--		442		442
Other		--		708		708
Derivative financial instruments		--		333		333
Total financial assets	$	14,140	$	3,029	$	17,169
Financial Liabilities:
SERP liabilities	$	--	$	6,641	$	6,641
Total financial liabilities	$	--	$	6,641	$	6,641

	December 31, 2017
	Level 1		Level 2		Total
Financial Assets:
Trading equity securities:
SERP money market fund	$	124	$	--	$	124
SERP mutual funds		4,839		--		4,839
Preferred stocks		364		--		364
Trading debt securities:
Corporate bonds		5,661		--		5,661
Municipal bonds		--		1,912		1,912
Floating rate notes		753		--		753
U.S. Treasury bills		1,030		--		1,030
Asset-backed securities		--		526		526
Other		--		968		968
Total financial assets	$	12,771	$	3,406	$	16,177
Financial Liabilities:
SERP liabilities	$	--	$	8,552	$	8,552
Derivative financial instruments		--		112		112
Total financial liabilities	$	--	$	8,664	$	8,664