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Fair Value Measurements (Details) - USD ($) $ in Thousands		Dec. 31, 2023	Dec. 31, 2022
LEVEL 1 [Member]
Fair Value, Net Asset (Liability) [Abstract]
Cash		$ 29,500	$ 21,200
LEVEL 2 [Member]
Fair Value, Net Asset (Liability) [Abstract]
Cash equivalents		3,000
Fair Value [Member] | LEVEL1/2 [Member]
Fair Value, Net Asset (Liability) [Abstract]
Cash and cash equivalents	[1]	32,526	21,150
Fair Value [Member] | LEVEL 1 [Member]
Fair Value, Net Asset (Liability) [Abstract]
Deferred compensation		23,893	20,190
Short term borrowings		5,029	55,031
Long-term debt		151,182	184,589
Fair Value [Member] | LEVEL 2 [Member]
Fair Value, Net Asset (Liability) [Abstract]
Cash flow interest rate swap		3,939	5,174
Long-term investments		7,468	0
Carrying Amount [Member] | LEVEL1/2 [Member]
Fair Value, Net Asset (Liability) [Abstract]
Cash and cash equivalents	[1]	32,526	21,150
Carrying Amount [Member] | LEVEL 1 [Member]
Fair Value, Net Asset (Liability) [Abstract]
Deferred compensation		23,893	20,190
Short term borrowings		5,029	55,031
Long-term debt		151,182	184,589
Carrying Amount [Member] | LEVEL 2 [Member]
Fair Value, Net Asset (Liability) [Abstract]
Cash flow interest rate swap		3,939	5,174
Long-term investments		$ 7,468	$ 0
[1] 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.  Cash and cash equivalents at December 31, 2022 consists solely of cash of $21.2 million, which is classified as Level 1 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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Amount of short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. 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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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

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