Leases - Schedule of Balance Sheet Classification of Lease Liabilities (Detail) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Current portion	$ 1,749	$ 1,282
Long-term portion	7,258	5,599
Operating Lease, Liability, Total	9,007	6,881
Current portion included in other current liabilities	23	10
Long-term portion included in other long-term liabilities	77	46
Total finance lease liabilities	100	56
Total lease liabilities	$ 9,107	$ 6,937