Annual report pursuant to Section 13 and 15(d)

Income Taxes - Summary of Components of Provision for Income Taxes (Detail)

v3.20.1
Income Taxes - Summary of Components of Provision for Income Taxes (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Current      
U.S. $ 444 $ 472 $ 444
Total Current 444 472 444
Deferred      
Income Tax Provision $ 444 $ 472 $ 444