|12 Months Ended|
Dec. 31, 2020
|Debt Disclosure [Abstract]|
|Schedule of Principal Payments on Long-Term Debt||
The scheduled principal payments on long-term debt for each of the five years subsequent to December 31, 2020 is as follows (amounts in thousands):
Tabular disclosure of maturity and sinking fund requirement for long-term debt.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef