Long-Term Debt (Tables)
|12 Months Ended|
Dec. 31, 2018
|Debt Disclosure [Abstract]|
|Schedule of Maturities of Long-term Debt||
The following table presents scheduled principal payments of our long-term debt and final payment fee as of December 31, 2018:
Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef