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Fair Value Measurements (Details) - USD ($) $ in Thousands		Jun. 30, 2024	Dec. 31, 2023
Level 1 [Member]
Fair Value, Net Asset (Liability) [Abstract]
Cash		$ 26,200	$ 29,500
Level 2 [Member]
Fair Value, Net Asset (Liability) [Abstract]
Cash equivalents			3,000
Fair Value [Member] | Level 1/2 [Member]
Fair Value, Net Asset (Liability) [Abstract]
Cash and cash equivalents	[1]	26,156	32,526
Fair Value [Member] | Level 1 [Member]
Fair Value, Net Asset (Liability) [Abstract]
Deferred compensation		25,799	23,893
Fair Value [Member] | Level 2 [Member]
Fair Value, Net Asset (Liability) [Abstract]
Short term borrowings		5,030	5,029
Long-term debt		203,162	151,182
Cash flow interest rate swap		5,926	3,939
Long-term investments		7,573	7,468
Carrying Amount [Member] | Level 1/2 [Member]
Fair Value, Net Asset (Liability) [Abstract]
Cash and cash equivalents	[1]	26,156	32,526
Carrying Amount [Member] | Level 1 [Member]
Fair Value, Net Asset (Liability) [Abstract]
Deferred compensation		25,799	23,893
Carrying Amount [Member] | Level 2 [Member]
Fair Value, Net Asset (Liability) [Abstract]
Short term borrowings		5,030	5,029
Long-term debt		203,162	151,182
Cash flow interest rate swap		5,926	3,939
Long-term investments		$ 7,573	$ 7,468
[1] As of June 30, 2024 cash and cash equivalents consist solely of cash of $26.2 million, which is classified as Level 1 under the fair value hierarchy.  As of December 31, 2023 cash and cash equivalents consist of cash of $29.5 million and cash equivalents of $3 million, which are classified as Level 1 and Level 2, respectively, under the fair value hierarchy.

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