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Long-Term Debt Long-Term Debt (Aggregate Maturities) (Details) $ in Thousands	Dec. 31, 2020 USD ($)
Credit Agreement [Member]
Debt Instrument [Line Items]
2021	$ 0
2022	0
2023	47,200
2024	0
2025	0
Thereafter	0
Total Credit Facility and acquisition debt	47,200
Present value of Credit Facility and acquisition debt	47,200
Acquisition Debt
Debt Instrument [Line Items]
2021	1,386
2022	825
2023	825
2024	772
2025	772
Thereafter	3,332
Total Credit Facility and acquisition debt	7,912
Less: Interest	(2,403)
Present value of Credit Facility and acquisition debt	$ 5,509

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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