SUPPLEMENTAL CONSOLIDATED CASH FLOW INFORMATION - Schedule of Cash Flow, Supplemental Disclosures (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Accounts Receivable
Pre-need/at-need contract originations (sales on credit)	$ (56,337)	$ (51,323)
Cash receipts from sales on credit (post-origination)	48,103	42,712
Changes in accounts receivable, net of allowance	(8,234)	(8,611)
Deferrals:
Cash receipts from customer deposits at origination, net of refunds	74,613	72,283
Withdrawals of realized income from merchandise trusts during the period	5,163	4,596
Pre-need/at-need contract originations (sales on credit)	56,337	51,323
Undistributed merchandise trust investment earnings, net	(999)	7,924
Recognition:
Merchandise trust investment income, net withdrawn as of end of period	(3,456)	(4,405)
Recognized maturities of customer contracts collected as of end of period	(97,751)	(93,466)
Recognized maturities of customer contracts uncollected as of end of period	(14,244)	(23,129)
Changes in customer contract liabilities	$ 19,663	$ 15,126