Trust Investments (Preneed cemetery trust investment security transactions) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Debt and Equity Securities, FV-NI [Line Items]
Investment Income, Net	$ 10,443	$ 8,461	$ 4,500
Increase (decrease) in deferred preneed cemetery receipts held in trust	10,325	8,074	4,123
Other, net	(84)	152	736
Preneed Cemetery Trust Investments
Debt and Equity Securities, FV-NI [Line Items]
Investment Income, Net	2,147	2,175	1,743
Debt Securities, Available-for-sale, Realized Gain	18,321	8,922	6,353
Realized losses	(6,626)	(5,090)	(4,677)
Unrealized gains, net	6,047	5,515	826
Expenses and taxes	(1,715)	(1,354)	(1,313)
Increase (decrease) in deferred preneed cemetery receipts held in trust	(18,174)	(10,168)	(2,932)
Other, net	$ 0	$ 0	$ 0

Amount of realized gain on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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