Fair Value of Financial Instruments (Tables)
|12 Months Ended|
Dec. 31, 2017
|Fair Value Disclosures [Abstract]|
|Carrying and Fair Value of Financial Instruments||
The carrying values and fair values by fair value hierarchy of certain financial instruments where only a portion of the ending balance was carried at fair value at December 31, 2017 and 2016 are presented in the following table.
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://www.xbrl.org/2003/role/presentationRef