Current and Noncurrent Accrued and Other Liabilities - Summary of Current and Noncurrent Accrued and Other Liabilities (Detail) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Payables And Accruals [Abstract]
Accrued interest	$ 7,091,000	$ 6,505,000
Accrued payroll and benefits	5,385,000	7,259,000
Current portion of operating lease liabilities	4,066,000
Deferred revenue	3,443,000	5,216,000
Accrued death and other executive benefits	2,564,000	2,777,000
Series E redeemable preferred - embedded derivative	1,084,000	1,642,000
Accrued health and worker compensation insurance claims	966,000	1,107,000
Customer deposits	132,000	1,783,000
Accrued litigation settlement (See Note 9)	0	18,450,000
Other	6,967,000	6,251,000
Total current and noncurrent accrued liabilities	31,698,000	50,990,000
Less noncurrent portion	6,214,000	8,861,000
Current portion of accrued and other liabilities	$ 25,484,000	$ 42,129,000