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Investments - Summary of Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Schedule of Investments [Line Items]
Investment securities - fair value	$ 40,904	$ 39,990
Parent
Schedule of Investments [Line Items]
Investment securities - fair value	40,904	39,990
Equity method investments	13,568	12,676
Nonqualified retirement plan assets	11,177	10,612
Other investments	2,002	1,666
Total investments	$ 67,651	$ 64,944

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- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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- Definition

Sum of the carrying amounts as of the balance sheet date of all investments.

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Amount of investments classified as other.

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Investments In Nonqualified Retirement Plan Assets

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