Subsequent Events Securities Sold Subsequent Event Disclosures (Details) - USD ($) |
3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Subsequent Event [Line Items] | ||||
| Subsequent Event, Description | $ 787,851 | $ 178,067 | $ 589,023 | |
| Gain on Sale of Investment Securities | 1,886,081 | 436,871 | 1,325,823 | |
| Repayments of Federal Home Loan Bank Borrowings | 15,000,000 | 5,000,000 | 30,000,000 | |
| Gains (Losses) on Sales of Other Real Estate | $ 227,053 | $ 303,440 | $ 101,645 | |
| Subsequent Event [Member] | ||||
| Subsequent Event [Line Items] | ||||
| Gains (Losses) on Sales of Other Real Estate | $ 739,000 | |||