Current and Noncurrent Accrued and Other Liabilities - Summary of Current and Noncurrent Accrued and Other Liabilities (Detail) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Payables And Accruals [Abstract]
Accrued interest	$ 13,411	$ 13,425
Deferred revenue	7,872	5,757
Accrued payroll and benefits	4,177	4,696
Accrued liabilities associated with discontinued operations	3,680	5,498
Series E Redeemable Preferred - embedded derivative	3,137	2,557
Accrued death and other executive benefits	2,751	4,207
Customer deposits	1,475	2,506
Other	8,728	17,717
Total current and noncurrent accrued liabilities	45,231	56,363
Less noncurrent portion	13,075	12,326
Current portion of accrued and other liabilities	$ 32,156	$ 44,037