Acquisitions - Additional Information (Detail) $ in Thousands						3 Months Ended	6 Months Ended	12 Months Ended
	Dec. 01, 2015 USD ($) Property	Aug. 31, 2015 USD ($) Property Installment	Aug. 20, 2015 USD ($) Property	Aug. 06, 2015 USD ($) Property	Jul. 21, 2015 USD ($) Property	Jun. 30, 2016 USD ($) Property	Jun. 30, 2016 USD ($) Property	Dec. 31, 2015 USD ($)
Business Acquisition [Line Items]
Goodwill						$ 70,572	$ 70,572	$ 69,851
Adjustment
Business Acquisition [Line Items]
Adjustment to gain on acquisition recognized								800
Cemetery Operations
Business Acquisition [Line Items]
Goodwill								1,100
Funeral Homes Operating Segments
Business Acquisition [Line Items]
Goodwill						1,100	1,100	9,600
2015 Acquisitions
Business Acquisition [Line Items]
Acquisition of related assets								9,764
Goodwill								10,678
Consideration paid	$ 5,700	$ 5,000	$ 1,500	$ 5,700	$ 900			18,800
Deferred cash consideration		$ 1,000						$ 876
Number of annual installments | Installment		5
Property Acquired, revenue contributed						100	100
Property Acquired, operating profit (loss) contributed						100	100
2015 Acquisitions | Funeral Homes Property
Business Acquisition [Line Items]
Number of properties acquired | Property	2	1		3	1
2015 Acquisitions | Cemetery property
Business Acquisition [Line Items]
Number of properties acquired | Property	1		2	1
2016 Acquisitions
Business Acquisition [Line Items]
Acquisition of related assets						442	442
Goodwill						1,058	1,058
Consideration paid						1,500
Property Acquired, revenue contributed						4,800	2,400
Property Acquired, operating profit (loss) contributed						$ 800	$ 400
Direct Service Cremation Businesses
Business Acquisition [Line Items]
Number of properties acquired | Property						3	3
Acquisition of related assets						$ 1,500	$ 1,500