Capital Stock (Details) |
Dec. 31, 2017
vote
$ / shares
|
Dec. 31, 2016
$ / shares
|
|---|---|---|
| Equity [Abstract] | ||
| Common stock, par value (in dollars per share) | $ 0.05 | $ 0.05 |
| Proceeds from the issuance of common stock (in dollars per share) | $ 0.05 | |
| Number of votes stockholders are entitled to per common share | vote | 1 |
| X | ||||||||||
- Definition Face amount or stated value per share of common stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Per share or per unit amount of equity securities issued. No definition available.
|
| X | ||||||||||
- Definition Number of votes stockholders are entitled to per common share No definition available.
|