Stockholders' Equity At-the-Market Offering (Details) $ in Thousands |
Dec. 31, 2017
USD ($)
shares
|
|---|---|
| Equity [Abstract] | |
| Number of shares authorized to be sold under equity distribution agreement (in shares) | 10,000,000 |
| Number of common shares issued under equity distribution agreement and outstanding as of period-end (in shares) | 3,792,935 |
| Accumulated proceeds from issuance of common shares under equity distribution agreement | $ | $ 77,603 |
| X | ||||||||||
- Definition The number of shares authorized to be sold under an at-the-market Equity Distribution Agreement. No definition available.
|
| X | ||||||||||
- Definition Number of shares issued and outstanding as of period-end from an at-the-market common stock offering. No definition available.
|
| X | ||||||||||
- Definition Proceeds from (value of) stock issued and outstanding as of period-end from an at-the-market common stock offering. No definition available.
|
| X | ||||||||||
- References No definition available.
|