Cemetery Perpetual Care Trusts Schedule of Available-for-sale Securities (Details) - Cemetery Perpetual Care - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost Basis	$ 1,306,177	$ 1,295,785
Accumulated Gross Unrealized Gain, before Tax	38,362	25,390
Accumulated Gross Unrealized Loss, before Tax	(60,201)	(88,583)
Available-for-sale Securities, Fair Value	1,284,338	1,232,592
Estimate of Fair Value Measurement [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost Basis	1,215,109	1,220,172
Accumulated Gross Unrealized Gain, before Tax	35,254	22,984
Accumulated Gross Unrealized Loss, before Tax	(52,779)	(80,487)
Available-for-sale Securities, Fair Value	1,197,584	1,162,669
Reported at net asset value
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost Basis	91,068	75,613
Accumulated Gross Unrealized Gain, before Tax	3,108	2,406
Accumulated Gross Unrealized Loss, before Tax	(7,422)	(8,096)
Available-for-sale Securities, Fair Value	86,754	69,923
Private Equity Funds | Reported at net asset value
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost Basis	91,068	75,613
Accumulated Gross Unrealized Gain, before Tax	3,108	2,406
Accumulated Gross Unrealized Loss, before Tax	(7,422)	(8,096)
Available-for-sale Securities, Fair Value	86,754	69,923
Fair Value, Inputs, Level 2 | US Treasury Securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost Basis	2,973	3,636
Accumulated Gross Unrealized Gain, before Tax	0	20
Accumulated Gross Unrealized Loss, before Tax	(56)	(81)
Available-for-sale Securities, Fair Value	2,917	3,575
Fair Value, Inputs, Level 2 | Foreign Government Debt Securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost Basis	36,908	32,477
Accumulated Gross Unrealized Gain, before Tax	401	321
Accumulated Gross Unrealized Loss, before Tax	(86)	(266)
Available-for-sale Securities, Fair Value	37,223	32,532
Fair Value, Inputs, Level 2 | Corporate Debt Securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost Basis	7,750	12,694
Accumulated Gross Unrealized Gain, before Tax	131	149
Accumulated Gross Unrealized Loss, before Tax	(149)	(284)
Available-for-sale Securities, Fair Value	7,732	12,559
Fair Value, Inputs, Level 2 | Residential Mortgage Backed Securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost Basis	381	934
Accumulated Gross Unrealized Gain, before Tax	1	13
Accumulated Gross Unrealized Loss, before Tax	0	(9)
Available-for-sale Securities, Fair Value	382	938
Fair Value, Inputs, Level 2 | Asset-backed Securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost Basis	631	660
Accumulated Gross Unrealized Gain, before Tax	6	5
Accumulated Gross Unrealized Loss, before Tax	(38)	(31)
Available-for-sale Securities, Fair Value	599	634
Fair Value, Inputs, Level 2 | Preferred Stock Securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost Basis	1,997	5,850
Accumulated Gross Unrealized Gain, before Tax	71	55
Accumulated Gross Unrealized Loss, before Tax	(75)	(159)
Available-for-sale Securities, Fair Value	1,993	5,746
Fair Value, Inputs, Level 1 | US Common Stock Securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost Basis	232,703	231,012
Accumulated Gross Unrealized Gain, before Tax	19,250	15,224
Accumulated Gross Unrealized Loss, before Tax	(11,091)	(10,898)
Available-for-sale Securities, Fair Value	240,862	235,338
Fair Value, Inputs, Level 1 | Canada Common Stock Securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost Basis	4,877	5,648
Accumulated Gross Unrealized Gain, before Tax	2,613	2,112
Accumulated Gross Unrealized Loss, before Tax	(147)	(606)
Available-for-sale Securities, Fair Value	7,343	7,154
Fair Value, Inputs, Level 1 | Other International Common Stock Securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost Basis	13,846	14,820
Accumulated Gross Unrealized Gain, before Tax	274	160
Accumulated Gross Unrealized Loss, before Tax	(1,387)	(2,390)
Available-for-sale Securities, Fair Value	12,733	12,590
Fair Value, Inputs, Level 1 | Equity Funds
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost Basis	19,830	21,783
Accumulated Gross Unrealized Gain, before Tax	3,981	3,138
Accumulated Gross Unrealized Loss, before Tax	(1,539)	(1,850)
Available-for-sale Securities, Fair Value	22,272	23,071
Fair Value, Inputs, Level 1 | Fixed Income Funds
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost Basis	892,586	890,013
Accumulated Gross Unrealized Gain, before Tax	7,272	530
Accumulated Gross Unrealized Loss, before Tax	(38,211)	(63,913)
Available-for-sale Securities, Fair Value	861,647	826,630
Fair Value, Inputs, Level 3 | Other Investments
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost Basis	627	645
Accumulated Gross Unrealized Gain, before Tax	1,254	1,257
Accumulated Gross Unrealized Loss, before Tax	0	0
Available-for-sale Securities, Fair Value	$ 1,881	$ 1,902