Preneed Activities Schedule of Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Debt Securities, Available-for-sale [Line Items]
Debt Securities, Available-for-Sale and Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss	$ 4,066,900
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	733,844
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(218,071)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	4,582,673
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		$ 3,865,476
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain		642,572
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss		(210,810)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value		4,297,238
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	41,008	45,645
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	92	145
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(1,174)	(1,376)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	39,926	44,414
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	28,139	31,896
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	28,139	31,896
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	10,496	10,642
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	77	138
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(16)	(17)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	10,557	10,763
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	5,306	5,452
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	23	29
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(93)	(104)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	5,236	5,377
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	287	291
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	(56)	(51)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	231	240
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	411	417
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	(47)	(97)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	364	320
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	1,866,686	1,744,919
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	540,987	478,226
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(78,600)	(78,630)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	2,329,073	2,144,515
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	41,053	42,721
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	13,951	20,251
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(1,497)	(676)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	53,507	62,296
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	95,201	108,106
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	36,524	19,580
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(9,399)	(11,088)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	122,326	116,598
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	905,990	876,620
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	138,661	118,476
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(4,619)	(9,540)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	1,040,032	985,556
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	1,072,323	998,767
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	3,529	5,727
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(122,570)	(109,231)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	953,282	895,263
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	1,981,991
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	257,503
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(77,049)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	2,162,445
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	826,695	827,600
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	1,375	2,432
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(67,867)	(63,021)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	760,203	767,011
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	337,136	337,500
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	88,786	71,819
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(228)	(642)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	425,694	408,677
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	385,415	346,672
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	385,415	346,672
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	432,745	412,482
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	167,342	169,825
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(8,954)	(7,109)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	591,133	575,198
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		1,924,254
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain		244,076
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss		(70,772)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value		2,097,558
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	6,048,891	5,789,730
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain	991,347	886,648
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss	(295,120)	(281,582)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value	$ 6,745,118	$ 6,394,796