SUPPLEMENTAL CONSOLIDATED CASH FLOW INFORMATION - Schedule of Cash Flow, Supplemental Disclosures (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Accounts Receivable
Pre-need/at-need contract originations (sales on credit)	$ (71,792)	$ (68,390)
Cash receipts from sales on credit (post-origination)	58,719	56,868
Changes in accounts receivable, net of allowance	(13,073)	(11,522)
Deferrals:
Cash receipts from customer deposits at origination, net of refunds	91,425	90,108
Withdrawals of realized income from merchandise trusts during the period	8,538	8,018
Pre-need/at-need contract originations (sales on credit)	71,792	68,390
Undistributed merchandise trust investment earnings, net	12,996	11,406
Recognition:
Merchandise trust investment income, net withdrawn as of end of period	(7,299)	(5,088)
Recognized maturities of customer contracts collected as of end of period	(108,411)	(110,984)
Recognized maturities of customer contracts uncollected as of end of period	(17,280)	(16,198)
Changes in customer contract liabilities	$ 51,761	$ 45,652