CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2019 |
Mar. 31, 2018 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Statement of Comprehensive Income [Abstract] | ||||
| Net income | $ 2,218 | $ 2,022 | $ 9,325 | $ 7,915 |
| Other comprehensive loss: | ||||
| Unrealized holding gains (losses) | 215 | (1,213) | (1,120) | 2,466 |
| Reclassification adjustment for realized gains in net income | (113) | (5,912) | ||
| Unrealized gain (loss) | 102 | (1,213) | (1,120) | (3,446) |
| Income tax effect | (33) | 354 | 276 | 1,413 |
| Other comprehensive loss, net of tax | 69 | (859) | (844) | (2,033) |
| Total comprehensive income | $ 2,287 | $ 1,163 | $ 8,481 | $ 5,882 |