Schedule of Other Current Liabilities (Detail) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Other Liabilities Current [Abstract]
Taxes payable	$ 23,561	$ 13,167
Lease liability - operating	698
Accrued property and liability losses	2,352	2,726
Other	3,413	5,199
Other current liabilities	$ 30,024	$ 21,092