Summary of Significant Accounting Policies, Textuals (Details)	3 Months Ended	6 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Apr. 01, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Financing Receivable, Allowance for Credit Loss, Noncurrent	$ 8,245,000	$ 8,245,000
Allowance for Doubtful Accounts, Premiums and Other Receivables						$ 41,142,000
Accounts Receivable, before Allowance for Credit Loss, Current	82,969,000	82,969,000				83,933,000
Restricted Cash and Cash Equivalents	28,361,000	28,361,000				56,344,000
Restricted Cash, Current	$ 26,309,000	$ 26,309,000				54,293,000
Intangible Fair Value Inputs, Royalty Savings Rate, Low	0.020	0.020
Amortization of cemetery property		$ 33,696,000	$ 33,523,000
Depreciation		$ 75,582,000	74,244,000
Intangible Fair Value Inputs, Royalty Savings Rate	0.050	0.050
Intangibles Fair Value Inputs, Discount Rate	6.95%	6.95%
Other Assets, Current	$ 58,474,000	$ 58,474,000				80,488,000
Impairment of Intangible Assets (Excluding Goodwill)		3,000,000.0
Accounts Receivable, Allowance for Credit Loss	6,006,000	6,006,000	$ 6,006,000			2,262,000
Receivables, net	76,963,000	76,963,000				81,671,000
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Accounts Receivable, Allowance for Credit Loss, Writeoff		1,702,000
Financing Receivable, Recorded Investment, Aging [Abstract]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets	$ 17,000,000.0	$ 17,000,000.0		$ (129,000)	$ 17,118,000
Property Subject to or Available for Operating Lease, Number of Units	61	61
Operating Lease, Lease Income	$ 700,000	$ 1,300,000
Lessor, Operating Lease, Payments to be Received, Next Rolling Twelve Months	1,833,000	1,833,000
Lessor, Operating Lease, Payments to be Received, Rolling Year Two	3,626,000	3,626,000
Lessor, Operating Lease, Payments to be Received, Rolling Year Three	3,225,000	3,225,000
Lessor, Operating Lease, Payments to be Received, Rolling Year Four	2,537,000	2,537,000
Lessor, Operating Lease, Payments to be Received, Rolling Year Five	2,163,000	2,163,000
Lessor, Operating Lease, Payments to be Received, after Rolling Year Five	16,806,000	16,806,000
Lessor, Operating Lease, Payments to be Received	30,190,000	30,190,000
Other Receivables Noncurrent [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets	2,700,000	2,700,000
Deferred Tax Liability [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets	5,800,000	5,800,000
Deferred Charges And Other Assets [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets	900,000	900,000
Miscellaneous accounts receivable [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets	26,400,000	26,400,000
Trade Accounts Receivable [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss	(5,133,000)	(5,133,000)				(4,114,000)
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease)		(3,474,000)
Financing Receivable, Allowance for Credit Loss, Recovery		(977,000)
Allowance For Credit Losses Foreign Currency Translation		173,000
Financing Receivable, Allowance for Credit Loss, Writeoff		3,259,000
Notes Receivable [Member]
Accounts and Financing Receivable, after Allowance for Credit Loss, Noncurrent	15,275,000	15,275,000
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss	(7,872,000)	(7,872,000)				(9,031,000)
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease)		79,000
Financing Receivable, Allowance for Credit Loss, Recovery		0
Allowance For Credit Losses Foreign Currency Translation		0
Financing Receivable, Allowance for Credit Loss, Writeoff		1,080,000
Financing Receivable, Originated in Current Fiscal Year	0	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	235,000	235,000
Financing Receivable, Originated Three Years before Latest Fiscal Year	0	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	98,000	98,000
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	6,648,000	6,648,000
Revolving Line of Credit	8,294,000	8,294,000
Financing Receivable, Recorded Investment, Aging [Abstract]
Financing Receivable, Not Past Due	14,143,000	14,143,000
Financing Receivable, Past Due	1,132,000	1,132,000
Notes Receivable [Member] | Financial Asset, 1 to 29 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Financing Receivable, Past Due	1,000	1,000
Notes Receivable [Member] | Financing Receivables 30 To 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Financing Receivable, Past Due	2,000	2,000
Notes Receivable [Member] | Financing Receivables 91 To180 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Financing Receivable, Past Due	2,000	2,000
Notes Receivable [Member] | Financing Receivables, Equal to Greater than 180 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Financing Receivable, Past Due	1,127,000	1,127,000
Miscellaneous accounts receivable [Member]
Accounts and Financing Receivable, after Allowance for Credit Loss, Noncurrent	26,105,000	26,105,000
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss	(1,246,000)	(1,246,000)				(918,000)
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease)		(353,000)
Financing Receivable, Allowance for Credit Loss, Recovery		0
Allowance For Credit Losses Foreign Currency Translation		25,000
Financing Receivable, Allowance for Credit Loss, Writeoff		0
Financing Receivable, Originated in Current Fiscal Year	19,244,000	19,244,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	3,945,000	3,945,000
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,786,000	1,786,000
Financing Receivable, Originated Three Years before Latest Fiscal Year	823,000	823,000
Financing Receivable, Originated Four Years before Latest Fiscal Year	281,000	281,000
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	26,000	26,000
Revolving Line of Credit	0	0
Financing Receivable, Recorded Investment, Aging [Abstract]
Financing Receivable, Not Past Due	25,991,000	25,991,000
Financing Receivable, Past Due	114,000	114,000
Miscellaneous accounts receivable [Member] | Financial Asset, 1 to 29 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Financing Receivable, Past Due	84,000	84,000
Miscellaneous accounts receivable [Member] | Financing Receivables 30 To 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Financing Receivable, Past Due	28,000	28,000
Miscellaneous accounts receivable [Member] | Financing Receivables 91 To180 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Financing Receivable, Past Due	0	0
Miscellaneous accounts receivable [Member] | Financing Receivables, Equal to Greater than 180 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Financing Receivable, Past Due	$ 2,000	$ 2,000
Funeral [Member]
Allowance for Doubtful Accounts, Premiums and Other Receivables						1,452,000
Intangibles Fair Value Inputs, Terminal Growth Rate	1.00%	1.00%
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Accounts Receivable, Allowance for Credit Loss, Writeoff		$ 1,452,000
Funeral [Member] | Trade Accounts Receivable [Member]
Accounts Receivable, before Allowance for Credit Loss, Current	$ 39,208,000	39,208,000				41,370,000
Accounts Receivable, Allowance for Credit Loss	3,573,000	3,573,000				1,899,000
Receivables, net	35,635,000	35,635,000				39,471,000
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss	(3,573,000)	(3,573,000)				(2,690,000)
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease)		(2,698,000)
Financing Receivable, Allowance for Credit Loss, Recovery		(935,000)
Allowance For Credit Losses Foreign Currency Translation		106,000
Financing Receivable, Allowance for Credit Loss, Writeoff		2,644,000
Other Accounts Receivable Current [Member] | Trade Accounts Receivable [Member]
Accounts Receivable, before Allowance for Credit Loss, Current	19,856,000	19,856,000				19,943,000
Accounts Receivable, Allowance for Credit Loss	296,000	296,000				0
Receivables, net	19,560,000	19,560,000				19,943,000
Current [Member] | Notes Receivable [Member]
Accounts Receivable, before Allowance for Credit Loss, Current	1,854,000	1,854,000				1,765,000
Accounts Receivable, Allowance for Credit Loss	577,000	577,000				0
Receivables, net	1,277,000	1,277,000				1,765,000
Current [Member] | Miscellaneous accounts receivable [Member]
Accounts and Financing Receivable, after Allowance for Credit Loss, Noncurrent	19,856,000	19,856,000
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss	(296,000)	(296,000)				(203,000)
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease)		(118,000)
Financing Receivable, Allowance for Credit Loss, Recovery		0
Allowance For Credit Losses Foreign Currency Translation		25,000
Financing Receivable, Allowance for Credit Loss, Writeoff		0
Financing Receivable, Originated in Current Fiscal Year	18,023,000	18,023,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,227,000	1,227,000
Financing Receivable, Originated Two Years before Latest Fiscal Year	386,000	386,000
Financing Receivable, Originated Three Years before Latest Fiscal Year	160,000	160,000
Financing Receivable, Originated Four Years before Latest Fiscal Year	55,000	55,000
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	5,000	5,000
Revolving Line of Credit	0	0
Financing Receivable, Recorded Investment, Aging [Abstract]
Financing Receivable, Not Past Due	19,742,000	19,742,000
Financing Receivable, Past Due	114,000	114,000
Current [Member] | Miscellaneous accounts receivable [Member] | Financial Asset, 1 to 29 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Financing Receivable, Past Due	84,000	84,000
Current [Member] | Miscellaneous accounts receivable [Member] | Financing Receivables 30 To 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Financing Receivable, Past Due	28,000	28,000
Current [Member] | Miscellaneous accounts receivable [Member] | Financing Receivables 91 To180 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Financing Receivable, Past Due	0	0
Current [Member] | Miscellaneous accounts receivable [Member] | Financing Receivables, Equal to Greater than 180 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Financing Receivable, Past Due	2,000	2,000
Long Term [Member] | Notes Receivable [Member]
Financing Receivable, after Allowance for Credit Loss, Noncurrent	6,126,000	6,126,000				6,623,000
Financing Receivable, before Allowance for Credit Loss, Noncurrent	13,421,000	13,421,000				14,997,000
Financing Receivable, Allowance for Credit Loss, Noncurrent	7,295,000	7,295,000				8,374,000
Long Term [Member] | Miscellaneous accounts receivable [Member]
Financing Receivable, after Allowance for Credit Loss, Noncurrent	5,299,000	5,299,000				7,287,000
Financing Receivable, before Allowance for Credit Loss, Noncurrent	6,249,000	6,249,000				7,287,000
Financing Receivable, Allowance for Credit Loss, Noncurrent	950,000	950,000				0
Accounts and Financing Receivable, after Allowance for Credit Loss, Noncurrent	6,249,000	6,249,000
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss	(950,000)	(950,000)				(715,000)
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease)		(235,000)
Financing Receivable, Allowance for Credit Loss, Recovery		0
Allowance For Credit Losses Foreign Currency Translation		0
Financing Receivable, Allowance for Credit Loss, Writeoff		0
Financing Receivable, Originated in Current Fiscal Year	1,221,000	1,221,000
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	2,718,000	2,718,000
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,400,000	1,400,000
Financing Receivable, Originated Three Years before Latest Fiscal Year	663,000	663,000
Financing Receivable, Originated Four Years before Latest Fiscal Year	226,000	226,000
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	21,000	21,000
Revolving Line of Credit	0	0
Financing Receivable, Recorded Investment, Aging [Abstract]
Financing Receivable, Not Past Due	6,249,000	6,249,000
Financing Receivable, Past Due	0	0
Long Term [Member] | Miscellaneous accounts receivable [Member] | Financial Asset, 1 to 29 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Financing Receivable, Past Due	0	0
Long Term [Member] | Miscellaneous accounts receivable [Member] | Financing Receivables 30 To 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Financing Receivable, Past Due	0	0
Long Term [Member] | Miscellaneous accounts receivable [Member] | Financing Receivables 91 To180 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Financing Receivable, Past Due	0	0
Long Term [Member] | Miscellaneous accounts receivable [Member] | Financing Receivables, Equal to Greater than 180 Days Past Due [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
Financing Receivable, Past Due	$ 0	$ 0
Cemetery [Member]
Allowance for Doubtful Accounts, Premiums and Other Receivables						(39,690,000)
Intangibles Fair Value Inputs, Terminal Growth Rate	2.40%	2.40%
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Accounts Receivable, Allowance for Credit Loss, Writeoff		$ 250,000
Cemetery [Member] | Trade Accounts Receivable [Member]
Accounts Receivable, before Allowance for Credit Loss, Current	$ 22,051,000	22,051,000				20,855,000
Accounts Receivable, Allowance for Credit Loss	1,560,000	1,560,000				363,000
Receivables, net	20,491,000	20,491,000				20,492,000
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Financing Receivable, Allowance for Credit Loss	(1,560,000)	(1,560,000)				$ (1,424,000)
Financing Receivable, Allowance for Credit Loss, Period Increase (Decrease)		(776,000)
Financing Receivable, Allowance for Credit Loss, Recovery		(42,000)
Allowance For Credit Losses Foreign Currency Translation		67,000
Financing Receivable, Allowance for Credit Loss, Writeoff		615,000
Treasury Stock [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets	0	0			0
Retained Earnings [Member]
Financing Receivable, Recorded Investment, Aging [Abstract]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets	$ (129,000)	$ (129,000)			$ 17,118,000