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Trust Investments (Unrealized losses on cemetery merchandise and service trust investments) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Preneed Cemetery Trust Investments
Gain (Loss) on Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 6,566	$ 4,010
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(629)	(274)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	3,542	5,074
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(717)	(1,281)
Debt Securities, Available-for-sale, Unrealized Loss Position	10,108	9,084
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(1,346)	(1,555)
Preneed Funeral Trust Investments
Gain (Loss) on Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	6,427	3,494
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(613)	(238)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	3,258	4,918
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(639)	(1,159)
Debt Securities, Available-for-sale, Unrealized Loss Position	9,685	8,412
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(1,252)	(1,397)
Perpetual Care Trust Investments
Gain (Loss) on Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	4,351	3,462
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(394)	(308)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	2,385	3,867
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(511)	(990)
Debt Securities, Available-for-sale, Unrealized Loss Position	6,736	7,329
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(905)	(1,298)
Corporate debt | Preneed Cemetery Trust Investments
Gain (Loss) on Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	4,228	2,517
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(517)	(57)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	629	371
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(436)	(645)
Debt Securities, Available-for-sale, Unrealized Loss Position	4,857	2,888
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(953)	(702)
Corporate debt | Preneed Funeral Trust Investments
Gain (Loss) on Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	4,251	2,225
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(509)	(55)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	548	337
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(378)	(579)
Debt Securities, Available-for-sale, Unrealized Loss Position	4,799	2,562
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(887)	(634)
Corporate debt | Perpetual Care Trust Investments
Gain (Loss) on Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	2,649	1,728
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(321)	(43)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	468	312
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(326)	(539)
Debt Securities, Available-for-sale, Unrealized Loss Position	3,117	2,040
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(647)	(582)
Preferred stock | Preneed Cemetery Trust Investments
Gain (Loss) on Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	1,037	784
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(49)	(99)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	0	542
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	(259)
Debt Securities, Available-for-sale, Unrealized Loss Position	1,037	1,326
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(49)	(358)
Preferred stock | Preneed Funeral Trust Investments
Gain (Loss) on Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	965	763
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(46)	(96)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	0	528
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	(214)
Debt Securities, Available-for-sale, Unrealized Loss Position	965	1,291
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(46)	(310)
Preferred stock | Perpetual Care Trust Investments
Gain (Loss) on Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	846	592
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(32)	(74)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	0	410
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	(166)
Debt Securities, Available-for-sale, Unrealized Loss Position	846	1,002
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(32)	(240)
Mortgage-backed securities | Preneed Cemetery Trust Investments
Gain (Loss) on Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	1,301	709
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(63)	(118)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	2,913	4,049
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(281)	(218)
Debt Securities, Available-for-sale, Unrealized Loss Position	4,214	4,758
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(344)	(336)
Mortgage-backed securities | Preneed Funeral Trust Investments
Gain (Loss) on Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	1,211	506
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(58)	(87)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	2,710	3,942
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(261)	(211)
Debt Securities, Available-for-sale, Unrealized Loss Position	3,921	4,448
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	(319)	(298)
Mortgage-backed securities | Perpetual Care Trust Investments
Gain (Loss) on Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months	856
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(41)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer	1,917
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(185)
Debt Securities, Available-for-sale, Unrealized Loss Position	2,773
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss	$ (226)
Mortgage-backed securities | Preneed Cemetery Trust Investments
Gain (Loss) on Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months		0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss		0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer		112
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss		(159)
Debt Securities, Available-for-sale, Unrealized Loss Position		112
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss		(159)
Mortgage-backed securities | Preneed Funeral Trust Investments
Gain (Loss) on Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months		0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss		0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer		111
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss		(155)
Debt Securities, Available-for-sale, Unrealized Loss Position		111
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss		(155)
Mortgage-backed securities | Perpetual Care Trust Investments
Gain (Loss) on Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months		0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss		0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer		85
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss		(121)
Debt Securities, Available-for-sale, Unrealized Loss Position		85
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss		(121)
Preferred Stock [Member] | Perpetual Care Trust Investments
Gain (Loss) on Securities [Line Items]
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months		1,142
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss		(191)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer		3,060
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss		(164)
Debt Securities, Available-for-sale, Unrealized Loss Position		4,202
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss		$ (355)

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