Cemetery Perpetual Care Trusts Long-term Receivable and Investment (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Long-term receivable and investment components [Line Items]
Cemetery perpetual care trust investments	$ 1,304,219	$ 1,341,376
Cemetery Perpetual Care
Long-term receivable and investment components [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	1,023,415	708,011
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	68,494	20,990
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	32,144	35,581
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	8,521	13,031
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	1,055,559	743,592
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	77,015	34,021
Trust investments, at market	1,209,834	1,192,966
Restricted Cash	94,385	148,410
Cemetery perpetual care trust investments	1,304,219	1,341,376
Asset-backed Securities | Cemetery Perpetual Care
Long-term receivable and investment components [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	131	373
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	10	4
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	372	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	16	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	503	373
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss	$ 26	$ 4