|
Preferred Stock (Details) (USD $)
|
12 Months Ended |
|
Dec. 31, 2014
|
Dec. 31, 2013
|
Dec. 31, 2012
|
| Class of Stock [Line Items] |
|
|
|
| Warrants to purchase shares (in shares) |
500,000 |
|
|
| Liquidation preference (in dollars per share) |
$ 1,000 |
|
|
| Exercise price (in dollars per share) |
$ 8.40 |
|
|
| Preferred stock dividend rate for first five years (in hundredths) |
5.00% |
|
|
| Preferred stock dividend rate thereafter five years (in hundredths) |
9.00% |
|
|
| Dividends Paid on Preferred Stock |
$ (5,492,749) |
$ 0 |
$ 0 |
| Cumulative Perpetual Preferred Stock, Series A [Member] |
|
|
|
| Class of Stock [Line Items] |
|
|
|
| Shares issued for cash during period (in shares) |
28,000 |
|
|