Financial Instruments (Tables)
|12 Months Ended|
Dec. 31, 2020
|Fair Value Disclosures [Abstract]|
|Summary of Estimated Fair Values of Financial Instruments||
The fair value of cash, accounts and notes receivable and accounts payable and accrued expenses approximate their carrying amounts due to the short-term maturities of these assets and liabilities.
Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef