Cemetery Perpetual Care Trusts Schedule of Unrealized Loss on Investments (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015 |
Cemetery Perpetual Care [Member] | | |
Schedule of unrealized loss on investments [Line Items] | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | $ 591,618 | $ 660,175 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | (16,270) | (28,203) |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | 411,564 | 350,308 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | (34,277) | (60,380) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 1,003,182 | 1,010,483 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses | (50,547) | (88,583) |
US Treasury Securities [Member] | Cemetery Perpetual Care [Member] | | |
Schedule of unrealized loss on investments [Line Items] | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | | 364 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | | (6) |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | | 35 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | | (1) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | | 399 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses | | (7) |
Foreign Government Debt Securities [Member] | Cemetery Perpetual Care [Member] | | |
Schedule of unrealized loss on investments [Line Items] | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | 66 | 1,569 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | (1) | (60) |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | 1,961 | 1,371 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | (113) | (102) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 2,027 | 2,940 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses | (114) | (162) |
Corporate Debt Securities [Member] | Cemetery Perpetual Care [Member] | | |
Schedule of unrealized loss on investments [Line Items] | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | 397 | 4,693 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | (7) | (134) |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | 1,866 | 4,147 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | (94) | (150) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 2,263 | 8,840 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses | (101) | (284) |
Residential Mortgage Backed Securities [Member] | Cemetery Perpetual Care [Member] | | |
Schedule of unrealized loss on investments [Line Items] | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | 303 | 303 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | (1) | (3) |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | 0 | 117 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | 0 | (6) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 303 | 420 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses | (1) | (9) |
Asset-backed Securities [Member] | Cemetery Perpetual Care [Member] | | |
Schedule of unrealized loss on investments [Line Items] | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | 28 | 146 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | (22) | (12) |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | 101 | 360 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | (6) | (19) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 129 | 506 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses | (28) | (31) |
Preferred Stock securities [Member] | Cemetery Perpetual Care [Member] | | |
Schedule of unrealized loss on investments [Line Items] | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | 846 | 4,029 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | (36) | (159) |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | 417 | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | (81) | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 1,263 | 4,029 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses | (117) | (159) |
US Common Stock Securities [Member] | | |
Schedule of unrealized loss on investments [Line Items] | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | | 198,755 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | | (26,038) |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | | 21,355 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | | (5,999) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | | 220,110 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses | | (32,037) |
US Common Stock Securities [Member] | Cemetery Perpetual Care [Member] | | |
Schedule of unrealized loss on investments [Line Items] | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | 34,844 | 81,564 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | (1,339) | (7,793) |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | 12,974 | 14,900 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | (998) | (3,105) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 47,818 | 96,464 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses | (2,337) | (10,898) |
Canada Common Stock Securities [Member] | | |
Schedule of unrealized loss on investments [Line Items] | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | | 473 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | | (6) |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | | 1,430 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | | (885) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | | 1,903 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses | | (891) |
Canada Common Stock Securities [Member] | Cemetery Perpetual Care [Member] | | |
Schedule of unrealized loss on investments [Line Items] | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | 78 | 622 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | (47) | (31) |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | 558 | 1,026 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | (61) | (575) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 636 | 1,648 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses | (108) | (606) |
Other International Common Stock Securities [Member] | | |
Schedule of unrealized loss on investments [Line Items] | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | | 15,560 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | | (2,507) |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | | 9,412 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | | (3,292) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | | 24,972 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses | | (5,799) |
Other International Common Stock Securities [Member] | Cemetery Perpetual Care [Member] | | |
Schedule of unrealized loss on investments [Line Items] | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | 4,177 | 8,735 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | (508) | (941) |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | 5,715 | 2,347 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | (1,728) | (1,449) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 9,892 | 11,082 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses | (2,236) | (2,390) |
Equity Funds [Member] | | |
Schedule of unrealized loss on investments [Line Items] | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | | 207,253 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | | (25,991) |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | | 86,720 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | | (23,651) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | | 293,973 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses | | (49,642) |
Equity Funds [Member] | Cemetery Perpetual Care [Member] | | |
Schedule of unrealized loss on investments [Line Items] | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | 877 | 4,580 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | (17) | (606) |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | 2,899 | 1,258 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | (395) | (1,244) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 3,776 | 5,838 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses | (412) | (1,850) |
Fixed Income Funds [Member] | | |
Schedule of unrealized loss on investments [Line Items] | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | | 139,684 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | | (6,323) |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | | 44,550 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | | (12,204) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | | 184,234 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses | | (18,527) |
Fixed Income Funds [Member] | Cemetery Perpetual Care [Member] | | |
Schedule of unrealized loss on investments [Line Items] | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | 263,231 | 519,993 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | (4,678) | (18,205) |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | 348,623 | 294,309 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | (24,319) | (45,708) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 611,854 | 814,302 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses | (28,997) | (63,913) |
Private Equity Funds [Member] | | |
Schedule of unrealized loss on investments [Line Items] | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | | 9,526 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | | (4,502) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | | 9,526 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses | | (4,502) |
Private Equity Funds [Member] | Cemetery Perpetual Care [Member] | | |
Schedule of unrealized loss on investments [Line Items] | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | 21,426 | 13,139 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | (268) | (75) |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | 33,519 | 30,438 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | (6,442) | (8,021) |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 54,945 | 43,577 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses | (6,710) | (8,096) |
Other Investments [Member] | Cemetery Perpetual Care [Member] | | |
Schedule of unrealized loss on investments [Line Items] | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | | 33,577 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | | 253 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | | 30,438 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | | 8,021 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | | 64,015 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses | | 8,274 |
Fixed Income Commingled funds [Member] | Cemetery Perpetual Care [Member] | | |
Schedule of unrealized loss on investments [Line Items] | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | 265,345 | 20,438 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | 9,346 | 178 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | 2,931 | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | 40 | 0 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 268,276 | 20,438 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses | 9,386 | 178 |
Estimate of Fair Value Measurement [Member] | Cemetery Perpetual Care [Member] | | |
Schedule of unrealized loss on investments [Line Items] | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | 304,847 | 626,598 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | 6,656 | 27,950 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | 375,114 | 319,870 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | 27,795 | 52,359 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 679,961 | 946,468 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses | 34,451 | $ 80,309 |
Reported At Net Asset Value [Member] | Cemetery Perpetual Care [Member] | | |
Schedule of unrealized loss on investments [Line Items] | | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value | 286,771 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses | 9,614 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value | 36,450 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses | 6,482 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 323,221 | |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses | $ 16,096 | |