Preneed Activities Schedule of Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale and Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	$ 4,236,181
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	690,344
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(210,893)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	4,715,632
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		$ 4,121,358
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain		798,935
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss		(141,210)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value		4,779,083
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	49,674	43,699
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	292	178
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(684)	(849)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	49,282	43,028
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	25,514	25,979
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	25,514	25,979
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	20,204	10,087
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	470	326
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(260)	(11)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	20,414	10,402
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	4,202	3,811
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	73	39
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(45)	(49)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	4,230	3,801
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	1,877	290
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	3	0
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(83)	(47)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	1,797	243
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	22,232	8,059
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	942	930
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(345)	(25)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	22,829	8,964
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	1,979,831	1,887,854
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	498,824	617,695
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(143,522)	(68,404)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	2,335,133	2,437,145
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	30,573	41,362
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	16,594	20,164
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(1,218)	(1,160)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	45,949	60,366
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	134,520	120,605
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	26,358	34,414
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(12,868)	(10,382)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	148,010	144,637
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	936,866	950,990
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	142,544	121,006
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(14,081)	(13,892)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	1,065,329	1,058,104
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	1,030,688	1,028,622
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	4,244	4,183
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(37,787)	(46,391)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	997,145	986,414
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	2,031,658
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	328,439
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(68,102)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	2,291,995
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	860,989	862,350
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	3,743	2,597
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(57,916)	(60,646)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	806,816	804,301
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	344,974	346,553
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	117,804	99,647
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(74)	(316)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	462,704	445,884
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	384,453	432,821
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	384,453	432,821
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	441,242	438,449
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	206,892	193,638
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(10,112)	(9,453)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	638,022	622,634
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		2,080,173
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain		295,882
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss		(70,415)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value		2,305,640
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	6,267,839	6,201,531
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	1,018,783	1,094,817
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(278,995)	(211,625)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	$ 7,007,627	$ 7,084,723