Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Income Tax [Line Items]
Income tax expense (benefit)	$ 2,881,000	$ 500,000
Operating loss carryforwards, limitations on use description	On March 27, 2020, President Trump signed the Coronavirus Aid, Relief, and Economic Security Act (“CARES Act”) into law. The CARES Act includes several significant business tax provisions that, among other things, would eliminate the taxable income limit for certain net operating losses (“NOLs”) and allow businesses to carry back NOLs arising in 2018, 2019, and 2020 to the five prior tax years, accelerate refunds of previously generated corporate alternative minimum tax credits, change the business interest limitation under IRC section 163(j) of the Internal Revenue Code from 30 percent to 50 percent, and fix qualified improvement property from the Tax Cuts and Jobs Act of 2017.
Federal
Income Tax [Line Items]
Income tax expense (benefit)	$ 0

Operating loss carryforwards, limitations on use description

On March 27, 2020, President Trump signed the Coronavirus Aid, Relief, and Economic Security Act (“CARES Act”) into law. The CARES Act includes several significant business tax provisions that, among other things, would eliminate the taxable income limit for certain net operating losses (“NOLs”) and allow businesses to carry back NOLs arising in 2018, 2019, and 2020 to the five prior tax years, accelerate refunds of previously generated corporate alternative minimum tax credits, change the business interest limitation under IRC section 163(j) of the Internal Revenue Code from 30 percent to 50 percent, and fix qualified improvement property from the Tax Cuts and Jobs Act of 2017.