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Summary of Significant Accounting Policies Other Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Accounting Policies [Abstract]    
Cash surrender value of life insurance policies $ 31,201 $ 47,195
Investments in unconsolidated affiliates 4,094 3,969
Other 4,955 4,882
Total other assets $ 40,250 $ 56,046