INVESTMENTS SECURITIES AVAILABLE-FOR-SALE (Details 1) - USD ($) $ in Thousands |
Mar. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|---|---|---|---|
| Available-for-Sale, Amortized Cost | |||
| Due in one year or less | $ 95 | $ 95 | |
| Due after one year through five years | 604 | 604 | |
| Due after five years through ten years | 2,028 | 2,120 | |
| Due after ten years | 8,726 | 17,299 | |
| Amortized Cost | 49,922 | 51,765 | $ 60,671 |
| Available-for-Sale, Fair Value | |||
| Due in one year or less | 95 | 95 | |
| Due after one year through five years | 606 | 608 | |
| Due after five years through ten years | 2,067 | 2,169 | |
| Due after ten years | 8,767 | 17,383 | |
| Fair Value | 49,662 | 51,403 | 61,429 |
| Government mortgage-backed securities | |||
| Available-for-Sale, Amortized Cost | |||
| Amortized Cost | 32,353 | 25,135 | 32,421 |
| Available-for-Sale, Fair Value | |||
| Fair Value | 32,079 | 24,777 | 32,458 |
| Asset-backed securities | |||
| Available-for-Sale, Amortized Cost | |||
| Amortized Cost | 6,116 | 6,512 | 7,524 |
| Available-for-Sale, Fair Value | |||
| Fair Value | $ 6,048 | $ 6,371 | $ 7,517 |