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Preneed Activities Schedule of Securities (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
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Debt Securities, Available-for-sale [Line Items] |  |
Debt Securities, Available-for-Sale and Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss | $ 3,896,763 |
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain | 990,550 |
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss | (134,288) |
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value | 4,753,025 |
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 | 46,605 | 43,699
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain | 307 | 178
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss | (606) | (849)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value | 46,306 | 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 | 26,906 | 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 | 26,906 | 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 | 10,584 | 10,087
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain | 379 | 326
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss | (11) | (11)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value | 10,952 | 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 | 5,594 | 3,811
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain | 65 | 39
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss | (40) | (49)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value | 5,619 | 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 | 287 | 290
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 | (50) | (47)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value | 237 | 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 | 19,394 | 8,059
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain | 3,009 | 930
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss | (63) | (25)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value | 22,340 | 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 | 2,016,880 | 1,887,854
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain | 684,744 | 617,695
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss | (94,690) | (68,404)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value | 2,606,934 | 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 | 37,771 | 41,362
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain | 22,552 | 20,164
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss | (547) | (1,160)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value | 59,776 | 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 | 158,242 | 120,605
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain | 37,572 | 34,414
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss | (7,149) | (10,382)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value | 188,665 | 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 | 932,351 | 950,990
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain | 234,987 | 121,006
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss | (888) | (13,892)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value | 1,166,450 | 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 | 642,149 | 1,028,622
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain | 6,935 | 4,183
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss | (30,244) | (46,391)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value | 618,840 | 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 | 2,529,562 |
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain | 339,383 |
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss | (63,643) |
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value | 2,805,302 |
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 | 1,304,744 | 862,350
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain | 9,182 | 2,597
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss | (52,327) | (60,646)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value | 1,261,599 | 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 | 354,034 | 346,553
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain | 132,412 | 99,647
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss | (615) | (316)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value | 485,831 | 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 | 402,244 | 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 | 402,244 | 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 | 468,540 | 438,449
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain | 197,789 | 193,638
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss | (10,701) | (9,453)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value | 655,628 | 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 | 6,426,325 | 6,201,531
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Gain | 1,329,933 | 1,094,817
Debt Securities, Available-for-Sale and Held-to-Maturity, Cumulative Unrecognized Loss | (197,931) | (211,625)
Debt Securities, Available-for-Sale and Held-to-Maturity, Fair Value | $ 7,558,327 | $ 7,084,723

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