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Fair Value Measurements (Details) - USD ($) $ in Thousands		Mar. 31, 2024	Dec. 31, 2023
LEVEL 1 [Member]
Fair Value, Net Asset (Liability) [Abstract]
Cash		$ 29,500	$ 24,100
LEVEL 2 [Member]
Fair Value, Net Asset (Liability) [Abstract]
Cash equivalents		3,000	3,000
Fair Value [Member] | LEVEL 1/2 [Member]
Fair Value, Net Asset (Liability) [Abstract]
Cash and cash equivalents	[1]	27,113	32,526
Fair Value [Member] | LEVEL 1 [Member]
Fair Value, Net Asset (Liability) [Abstract]
Deferred compensation		25,674	23,893
Fair Value [Member] | LEVEL 2 [Member]
Fair Value, Net Asset (Liability) [Abstract]
Short term borrowings		5,030	5,029
Long-term debt		209,872	151,182
Cash flow interest rate swap		5,820	3,939
Long-term investments		7,522	7,468
Carrying Amount [Member] | LEVEL 1/2 [Member]
Fair Value, Net Asset (Liability) [Abstract]
Cash and cash equivalents	[1]	27,113	32,526
Carrying Amount [Member] | LEVEL 1 [Member]
Fair Value, Net Asset (Liability) [Abstract]
Deferred compensation		25,674	23,893
Carrying Amount [Member] | LEVEL 2 [Member]
Fair Value, Net Asset (Liability) [Abstract]
Short term borrowings		5,030	5,029
Long-term debt		209,872	151,182
Cash flow interest rate swap		5,820	3,939
Long-term investments		$ 7,522	$ 7,468
[1] As of March 31, 2024 cash and cash equivalents consist of cash of $24.1 million and cash equivalents of $3 million, which are classified as Level 1 and Level 2, respectively, 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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Fair value portion of currency related to deferred compensation.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Fair value as of the balance sheet date of all interest rate derivative assets designated as cash flow hedging instruments.

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