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Preneed Activities Level 3 Activities (Details) - Other Investments [Member] - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Fair market value, beginning balance $ 8,218 $ 9,755
Net realized losses included in Other income, net(2) (974) (1,142)
Purchases 10 0
Sales (25) (1,505)
Fair market value, ending balance 418 7,108
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 $ (6,811) $ 0