Cemetery Perpetual Care Trusts Schedule of Available-for-sale Securities (Details) - Cemetery Perpetual Care - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	$ 1,267,221	$ 1,207,563
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	24,884	19,424
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(38,972)	(34,021)
Available-for-sale Securities, Fair Value	1,253,133	1,192,966
Fair Value, Inputs, Level 2 | US Treasury Securities
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	3,837	794
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	19	40
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(59)	(4)
Available-for-sale Securities, Fair Value	3,797	830
Fair Value, Inputs, Level 2 | Foreign Government Debt Securities
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	32,516	31,993
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	612	442
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(271)	(233)
Available-for-sale Securities, Fair Value	32,857	32,202
Fair Value, Inputs, Level 2 | Corporate Debt Securities
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	15,316	16,762
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	229	344
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(291)	(210)
Available-for-sale Securities, Fair Value	15,254	16,896
Fair Value, Inputs, Level 2 | Residential Mortgage Backed Securities
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	1,005	910
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	13	15
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(9)	(6)
Available-for-sale Securities, Fair Value	1,009	919
Fair Value, Inputs, Level 2 | Asset-backed Securities
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	667	661
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	7	10
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(19)	(4)
Available-for-sale Securities, Fair Value	655	667
Fair Value, Inputs, Level 2 | Preferred Stock Securities
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	5,805	4,439
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	83	60
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(374)	(12)
Available-for-sale Securities, Fair Value	5,514	4,487
Fair Value, Inputs, Level 1 | US Common Stock Securities
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	230,980	225,129
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	13,561	9,340
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(8,153)	(4,881)
Available-for-sale Securities, Fair Value	236,388	229,588
Fair Value, Inputs, Level 1 | Canada Common Stock Securities
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	7,608	7,419
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	2,536	2,737
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(671)	(596)
Available-for-sale Securities, Fair Value	9,473	9,560
Fair Value, Inputs, Level 1 | Other International Common Stock Securities
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	12,363	8,102
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	201	90
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(1,439)	(399)
Available-for-sale Securities, Fair Value	11,125	7,793
Fair Value, Inputs, Level 1 | Equity Funds
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	20,592	17,310
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	3,781	3,264
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(593)	(93)
Available-for-sale Securities, Fair Value	23,780	20,481
Fair Value, Inputs, Level 1 | Fixed Income Funds
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	883,480	846,230
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	722	1,580
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(19,147)	(14,263)
Available-for-sale Securities, Fair Value	865,055	833,547
Fair Value, Inputs, Level 3 | Private Equity Funds
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	39,988	34,288
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	1,613	408
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(7,464)	(10,788)
Available-for-sale Securities, Fair Value	34,137	23,908
Fair Value, Inputs, Level 3 | Other Investments
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Amortized Cost Basis	13,064	13,526
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax	1,507	1,094
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax	(482)	(2,532)
Available-for-sale Securities, Fair Value	$ 14,089	$ 12,088