Cemetery Perpetual Care Trusts Schedule of Unrealized Loss on Investments (Details) - Cemetery Perpetual Care - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	$ 969,198	$ 708,011
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	30,020	20,990
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	35,098	35,581
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	8,952	13,031
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	1,004,296	743,592
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	38,972	34,021
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	3,377	497
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	57	4
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	135	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	2	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	3,512	497
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	59	4
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	2,159	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	35	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	5,112	7,825
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	236	233
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	7,271	7,825
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	271	233
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	3,221	4,656
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	54	108
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	5,608	3,198
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	237	102
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	8,829	7,854
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	291	210
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	143	256
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	3	5
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	209	69
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	6	1
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	352	325
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	9	6
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	150	373
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	19	4
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	150	373
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	19	4
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	4,690	2,224
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	374	11
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	0	49
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	1
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	4,690	2,273
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	374	12
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	106,485	100,370
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	8,153	4,803
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	0	419
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	78
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	106,485	100,789
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	8,153	4,881
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	1,548	2,418
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	278	244
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	725	757
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	393	352
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	2,273	3,175
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	671	596
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	8,297	4,444
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	1,439	399
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	0	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	8,297	4,444
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	1,439	399
Equity Funds
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	3,784	2,601
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	577	85
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	107	153
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	16	8
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	3,891	2,754
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	593	93
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	835,332	576,890
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	19,029	14,177
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	2,691	2,581
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	118	86
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	838,023	579,471
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	19,147	14,263
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	7	9,213
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	1	798
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	15,007	14,254
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	7,463	9,990
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	15,014	23,467
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	7,464	10,788
Other Investments
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	5	4,069
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	1	352
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	5,504	6,276
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	481	2,180
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	5,509	10,345
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	$ 482	$ 2,532