Annual report pursuant to Section 13 and 15(d)

Income Taxes - Summary of Effective Statutory Federal Income Tax Rate (Details)

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Income Taxes - Summary of Effective Statutory Federal Income Tax Rate (Details)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Effective Income Tax Rate Reconciliation, Percent [Abstract]    
Income tax benefit at federal statutory rate 21.00% 21.00%
State and local taxes 0.60% 11.20%
FICA tip credit (10.50%) (17.10%)
Foreign rate differential (0.80%) 0.30%
Change in valuation allowance (103.00%) (15.50%)
Global intangible low-taxed income ("GILTI") 3.90% 9.20%
Bargain purchase gain (23.10%)  
Other items, net 0.10% 6.30%
Total income tax expense (111.80%) 15.40%