Supplementary Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Receivables [Abstract]
Notes receivable	$ 9,232		$ 9,232		$ 1,605
Other Receivables, Net, Current	30,562		30,562		27,607
Receivables, net	92,494		92,494		90,304
Revenues [Abstract]
Revenues	796,092	$ 773,242	1,590,574	$ 1,550,952
Costs and Expenses [Abstract]
Costs and Expenses	607,965	589,724	1,206,685	1,190,195
Product [Member]
Revenues [Abstract]
Revenues	397,600	386,089	765,814	752,617
Costs and Expenses [Abstract]
Costs and Expenses	209,925	202,911	397,648	398,552
Service [Member]
Revenues [Abstract]
Revenues	334,449	331,925	712,548	692,821
Costs and Expenses [Abstract]
Costs and Expenses	188,293	181,192	379,141	367,054
Product and Service, Other [Member]
Revenues [Abstract]
Revenues	64,043	55,228	112,212	105,514
Costs and Expenses [Abstract]
Costs and Expenses	209,747	205,621	429,896	424,589
Funeral [Member]
Receivables [Abstract]
Accounts Receivable, Net, Current	36,547		36,547		44,536
Allowance for Doubtful Accounts Receivable, Current	1,561		1,561		1,845
Revenues [Abstract]
Revenues	468,648	458,874	983,013	957,638
Cemetery [Member]
Receivables [Abstract]
Accounts Receivable, Net, Current	16,153		16,153		16,556
Allowance for Doubtful Accounts Receivable, Current	211		211		$ 245
Revenues [Abstract]
Revenues	$ 327,444	$ 314,368	$ 607,561	$ 593,314