Note 21 - Financial Information of Colony Bankcorp, Inc. (Parent Only) - Consolidated Statements of Comprehensive Income (Loss), Parent Company (Details) - USD ($)
|
12 Months Ended |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
| Net Income |
$ 8,673,210
|
$ 8,372,697
|
$ 7,531,625
|
| Gains (Losses) on Securities Arising During the Year |
(505,367)
|
610,689
|
6,432,906
|
| Tax Effect |
(171,825)
|
207,634
|
2,187,189
|
| Impairment Loss on Securities |
|
|
|
| Tax Effect |
|
|
|
| Change in Net Unrealized Gains (Losses) on Securities Available for Sale, Net of Reclassification Adjustment and Tax Effects |
(587,789)
|
410,623
|
4,230,052
|
| Comprehensive Income |
8,085,421
|
8,783,320
|
11,761,677
|
| Parent Company [Member] |
|
|
|
| Net Income |
8,673,210
|
8,372,697
|
7,531,625
|
| Gains (Losses) on Securities Arising During the Year |
(505,367)
|
610,689
|
6,432,906
|
| Tax Effect |
171,825
|
(207,634)
|
(2,187,189)
|
| Realized (Gains) Losses on Sale of AFS Securities |
(385,223)
|
11,466
|
(23,735)
|
| Tax Effect |
130,976
|
(3,898)
|
8,070
|
| Impairment Loss on Securities |
|
|
|
| Tax Effect |
|
|
|
| Change in Net Unrealized Gains (Losses) on Securities Available for Sale, Net of Reclassification Adjustment and Tax Effects |
(587,789)
|
410,623
|
4,230,052
|
| Comprehensive Income |
$ 8,085,421
|
$ 8,783,320
|
$ 11,761,677
|