Preneed Activities Schedule of Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale and Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	$ 4,012,481
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	515,909
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(330,408)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	4,197,982
Estimate of Fair Value Measurement [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale and Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss		$ 4,013,319
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain		371,897
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss		(521,853)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value		3,863,363
Fair Value, Inputs, Level 2 [Member] | US Treasury Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale and Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	44,893	45,084
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	31	22
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(1,895)	(2,033)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	43,029	43,073
Fair Value, Inputs, Level 2 [Member] | Debt Security, Government, Non-US [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale and Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	34,090	30,200
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	0	0
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	0	0
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	34,090	30,200
Fair Value, Inputs, Level 2 [Member] | Corporate Debt Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale and Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	165	175
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	0	0
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(17)	(18)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	148	157
Fair Value, Inputs, Level 2 [Member] | Residential Mortgage Backed Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale and Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	5,499	1,420
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	16	0
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(171)	(101)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	5,344	1,319
Fair Value, Inputs, Level 2 [Member] | Asset-backed Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale and Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	293	294
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	0	0
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(52)	(52)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	241	242
Fair Value, Inputs, Level 2 [Member] | Preferred Stock securities [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale and Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	4,245	4,144
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	0	0
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(2,534)	(2,340)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	1,711	1,804
Fair Value, Inputs, Level 1 [Member] | US Common Stock Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale and Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	1,809,305	1,707,240
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	386,603	283,423
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(115,178)	(208,523)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	2,080,730	1,782,140
Fair Value, Inputs, Level 1 [Member] | Canada Common Stock Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale and Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	38,950	47,821
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	16,321	11,765
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(1,294)	(11,117)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	53,977	48,469
Fair Value, Inputs, Level 1 [Member] | Other International Common Stock Securities [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale and Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	99,291	123,440
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	12,243	10,561
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(11,454)	(19,009)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	100,080	114,992
Fair Value, Inputs, Level 1 [Member] | Equity Funds [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale and Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	912,806	917,686
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	99,495	64,895
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(57,274)	(112,374)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	955,027	870,207
Fair Value, Inputs, Level 1 [Member] | Fixed Income Funds [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale and Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	1,062,944	1,135,815
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	1,200	1,231
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(140,539)	(166,286)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	923,605	970,760
Reported Value Measurement [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale and Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	1,814,488
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	228,826
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(89,635)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	1,953,679
Reported Value Measurement [Member] | Commingled funds - Fixed inc [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale and Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	740,775	730,940
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	0	2
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(83,080)	(89,246)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	657,695	641,696
Reported Value Measurement [Member] | Commingled funds - Equity [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale and Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	310,062	309,893
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	64,691	40,820
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(787)	(3,846)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	373,966	346,867
Reported Value Measurement [Member] | Money Market Funds [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale and Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	379,969	325,562
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	0	0
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	0	0
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	379,969	325,562
Reported Value Measurement [Member] | Private Equity Funds [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale and Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	383,682	307,275
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	164,135	179,491
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(5,768)	(1,091)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	542,049	485,675
Reported Value Measurement [Member] | Reported At Net Asset Value [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale and Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss		1,673,670
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain		220,313
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss		(94,183)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value		1,799,800
Estimate of Fair Value Measurement [Member]
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale and Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	5,826,969	5,686,989
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	744,735	592,210
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(420,043)	(616,036)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	$ 6,151,661	$ 5,663,163