Trust Investments (Preneed funeral 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
Decrease in deferred preneed funeral receipts held in trust	10,325	8,074	4,123
Other, net	(84)	152	736
Preneed Funeral Trust Investments
Debt and Equity Securities, FV-NI [Line Items]
Investment Income, Net	1,747	1,907	1,753
Debt Securities, Available-for-sale, Realized Gain	17,091	9,441	6,214
Realized losses	(6,155)	(4,677)	(4,612)
Unrealized gains, net	5,665	5,555	1,499
Expenses and taxes	(1,221)	(878)	(1,129)
Decrease in deferred preneed funeral receipts held in trust	(17,127)	(11,348)	(3,725)
Other, net	0	0	0
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)
Decrease in deferred preneed funeral receipts held in trust	(18,174)	(10,168)	(2,932)
Other, net	0	0	0
Perpetual Care Trust Investments \| Other Interest Income
Debt and Equity Securities, FV-NI [Line Items]
Debt Securities, Available-for-sale, Realized Gain	2,474	2,602	1,663
Realized losses	(950)	(1,695)	(1,258)
Unrealized gains, net	(4,421)	(4,355)	(2,964)
Decrease in deferred preneed funeral receipts held in trust	5,945	5,262	3,369
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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