Acquisition, Textuals (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Acquisitions [Abstract]
(Losses) gains on divestitures	$ 28,573	$ 11,962	$ 41,835
Impairment losses	(3,404)	(4,953)	(8,916)
Gains on divestitures and impairment charges, net	25,169	7,009	32,919
Business Combination Segment Allocation [Line Items]
Revenue	4,143,143	3,511,509	3,230,785
Net Income	803,252	516,137	369,771
Business Combination, Goodwill	29,700
PaymentsToAcquireBusinessesIncludiing1031ExchangeFunds	(26,300)	64,200	55,600
Business Combinations, Preneed customer relationships to insurance claims, Fair Value	3,900
Business Combinations, Tradenames, Fair Value	24,734
Business Combinations, Total intangible assets, Fair Value	28,634
Payments for (Proceeds from) Delayed Tax Exempt Exchange	10,900	55,100	13,600
1031 Exchange Funds for Business Combinations	6,100
Payments to Acquire Businesses Including 1031 Exchange Funds	94,800
PaymentsToAcquireRealEstateIncluding1031Exchange	(26,600)	(52,100)	(51,400)
Payments for (Proceeds from) Deposits on Real Estate Acquisitions	(26,604)	(52,079)	(51,373)
Payments to Acquire Businesses, Net of Cash Acquired	(121,382)	64,164	55,644
Acquisition Spend	(26,300)	64,200	55,600
Payments for (Proceeds from) Delayed Tax Exempt Exchange	10,900	55,100	13,600
Cemetery [Member]
Business Combination Segment Allocation [Line Items]
Revenue	1,799,967	1,459,208	1,306,883
Business Combination, Goodwill, Cemetery	1,500
Funeral [Member]
Business Combination Segment Allocation [Line Items]
Revenue	2,343,176	2,052,301	$ 1,923,902
Business Combination, Goodwill, Funeral	28,200
Current Year Acquisition [Member]
Business Combination Segment Allocation [Line Items]
Revenue	1,100
Net Income	300
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other	140
Business Acquisition Purchase Price Allocation Cemetery property	2,918
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	36,768
Business Combination, Preneed receivables, net and trust investments	7,732
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	3,900
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets	24,734
Business Combination, Deferred charges and other assets	128
Business Combination, Cemetery perpetual care trust investments	1,484
Business Combination, Goodwill	29,683
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets	107,487
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities	660
Business Combination, Deferred revenue and deferred receipts held in trust	7,204
Business Combination, Care trusts' corpus	1,484
Business Combination, Other liabilities	3,336
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	12,684
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	$ 94,803
Finite-Lived Intangible Assets, Useful Life, Minimum	10 years
Acquisition Costs for Business Combination	$ 300	$ 300
Business Acquisition Purchase Price Allocation Cemetery property	2,918
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	36,768
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	3,900
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Indefinite-Lived Intangible Assets	24,734
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets	107,487
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities	660
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities	$ 12,684