Preneed Cemetery Receivables (Aging of past due financing receivables) (Details)
$ in Thousands
Sep. 30, 2018
USD ($)
Financing Receivable Recorded Investment Past Due [Line Items]  
Total Past Due $ 3,081
Current 34,230
Total Financing Receivables 37,311
Recognized Revenue [Member]  
Financing Receivable Recorded Investment Past Due [Line Items]  
Total Past Due 2,408
Current 25,152
Total Financing Receivables 27,560
Deferred Revenue [Member]  
Financing Receivable Recorded Investment Past Due [Line Items]  
Total Past Due 673
Current 9,078
Total Financing Receivables 9,751
Financing Receivables, 30 to 59 Days Past Due [Member]  
Financing Receivable Recorded Investment Past Due [Line Items]  
Total Past Due 895
Financing Receivables, 30 to 59 Days Past Due [Member] | Recognized Revenue [Member]  
Financing Receivable Recorded Investment Past Due [Line Items]  
Total Past Due 686
Financing Receivables, 30 to 59 Days Past Due [Member] | Deferred Revenue [Member]  
Financing Receivable Recorded Investment Past Due [Line Items]  
Total Past Due 209
Financing Receivables, 60 to 89 Days Past Due [Member]  
Financing Receivable Recorded Investment Past Due [Line Items]  
Total Past Due 504
Financing Receivables, 60 to 89 Days Past Due [Member] | Recognized Revenue [Member]  
Financing Receivable Recorded Investment Past Due [Line Items]  
Total Past Due 382
Financing Receivables, 60 to 89 Days Past Due [Member] | Deferred Revenue [Member]  
Financing Receivable Recorded Investment Past Due [Line Items]  
Total Past Due 122
Financing Receivables, 90 to 120 Days Past Due [Member]  
Financing Receivable Recorded Investment Past Due [Line Items]  
Total Past Due 162
Financing Receivables, 90 to 120 Days Past Due [Member] | Recognized Revenue [Member]  
Financing Receivable Recorded Investment Past Due [Line Items]  
Total Past Due 124
Financing Receivables, 90 to 120 Days Past Due [Member] | Deferred Revenue [Member]  
Financing Receivable Recorded Investment Past Due [Line Items]  
Total Past Due 38
Financing Receivables, Greater Than 120 Days Past Due [Member]  
Financing Receivable Recorded Investment Past Due [Line Items]  
Total Past Due 1,520
Financing Receivables, Greater Than 120 Days Past Due [Member] | Recognized Revenue [Member]  
Financing Receivable Recorded Investment Past Due [Line Items]  
Total Past Due 1,216
Financing Receivables, Greater Than 120 Days Past Due [Member] | Deferred Revenue [Member]  
Financing Receivable Recorded Investment Past Due [Line Items]  
Total Past Due $ 304