Income Taxes - Schedule of Deferred Tax Assets and liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Operating loss and interest deduction carry forwards	$ 28,684	$ 21,984
Other	1,711	277
Total deferred tax assets	30,395	22,261
Valuation allowance	(11,355)	(3,444)
Total net deferred tax assets	19,040	18,817
Property and equipment	(7,324)	(12,359)
Net unbilled revenue	(1,449)	(1,633)
Other	(737)	(300)
Total deferred tax liabilities	(9,510)	(14,292)
Net deferred tax asset (liability)	$ 9,530	$ 4,525