Cemetery Perpetual Care Trusts Schedule of Unrealized Loss on Investments (Details) (Cemetery Perpetual Care, USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Dec. 31, 2013
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	$ 102,171	$ 268,219
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(1,304)	(4,478)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	59,433	71,742
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(6,214)	(11,136)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	161,604	339,961
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(7,518)	(15,614)
US Treasury Securities
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	855	1,339
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(9)	(14)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	8	20
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(1)	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	863	1,359
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(10)	(14)
Foreign Government Debt Securities
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	15,559	15,777
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(105)	(214)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	4,400	5,131
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(125)	(245)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	19,959	20,908
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(230)	(459)
Corporate Debt Securities
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	7,226	22,534
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(99)	(129)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	4,981	3,299
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(245)	(134)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	12,207	25,833
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(344)	(263)
Residential Mortgage Backed Securities
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	86	2,960
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(2)	(18)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	251	10
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(8)	(1)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	337	2,970
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(10)	(19)
Asset-backed Securities
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	405	2,835
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(5)	(10)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	32	15
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	0	(1)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	437	2,850
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(5)	(11)
Preferred Stock Securities
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	0	14,650
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	0	(245)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	50	44
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(2)	(7)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	50	14,694
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(2)	(252)
US Common Stock Securities
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	13,690	23,825
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(542)	(1,561)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	4,910	3,254
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(485)	(526)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	18,600	27,079
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(1,027)	(2,087)
Canada Common Stock Securities
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	145	667
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(6)	(129)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	1,490	1,794
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(412)	(494)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	1,635	2,461
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(418)	(623)
Other International Common Stock Securities
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	527	1,540
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(11)	(54)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	451	525
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(67)	(113)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	978	2,065
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(78)	(167)
Equity Funds
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	28,576	391
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(373)	(14)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	131	163
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(8)	(21)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	28,707	554
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(381)	(35)
Fixed Income Funds
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	35,090	181,701
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(143)	(2,090)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	28,926	28,507
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(367)	(508)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	64,016	210,208
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(510)	(2,598)
Private Equity Funds
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	9,262	19,242
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(4,494)	(9,002)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	9,262	19,242
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(4,494)	(9,002)
Other Investments
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	12	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(9)	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	4,541	9,738
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	0	(84)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	4,553	9,738
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	$ (9)	$ (84)