Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2020

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The Company reevaluates the volume of trading activity for each of its investments at the end of each quarter and adjusts the level within the fair value hierarchy as needed. As indicated in the tables below (which excludes the Company’s pension assets), the Company has determined that all of its financial assets and liabilities as of June 30, 2020 and December 31, 2019 are Level 1 and Level 2 in the fair value hierarchy as defined above:

	June 30, 2020
(in thousands)	Level 1		Level 2		Total
Financial Assets:
Trading equity securities:
SERP money market fund	$	229	$	—	$	229
SERP mutual funds	4,391		—		4,391
Preferred stocks	268		—		268
Trading debt securities:
Corporate bonds	5,581		—		5,581
Municipal bonds	—		1,147		1,147
Floating rate notes	356		—		356
U.S. government securities	2,078		—		2,078
Asset backed securities	—		2,394		2,394
Other	—		1,362		1,362
Total financial assets	$	12,903	$	4,903	$	17,806
Financial Liabilities:
Derivative financial instruments	$	—	$	365	$	365
SERP liabilities	—		6,708		6,708
Total financial liabilities	$	—	$	7,073	$	7,073

	December 31, 2019
(in thousands)	Level 1		Level 2		Total
Financial Assets:
Trading equity securities:
SERP money market fund	$	208	$	—	$	208
SERP mutual funds	4,419		—		4,419
Preferred stocks	282		—		282
Trading debt securities:
Corporate bonds	5,117		—		5,117
Municipal bonds	—		1,154		1,154
Floating rate notes	535		—		535
U.S. government securities	2,035		—		2,035
Asset backed securities	—		2,316		2,316
Other	473		1,112		1,585
Derivative financial instruments	—		4		4
Total financial assets	$	13,069	$	4,586	$	17,655
Financial Liabilities:
Derivative financial instruments	$	—	$	49	$	49
SERP liabilities	—		6,645		6,645
Total financial liabilities	$	—	$	6,694	$	6,694