LOANS (Details 4) - USD ($)
$ in Thousands |
3 Months Ended |
12 Months Ended |
Mar. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
| With no related allowance recorded: |
|
|
|
| Recorded Investment |
$ 4,187
|
$ 5,772
|
$ 12,229
|
| Unpaid Principal Balance |
4,207
|
5,832
|
13,745
|
| Average Recorded Investment |
4,252
|
10,904
|
7,028
|
| Interest Income Recognized |
32
|
127
|
213
|
| With an allowance recorded: |
|
|
|
| Recorded Investment |
5,362
|
1,760
|
0
|
| Unpaid Principal Balance |
5,385
|
1,786
|
0
|
| Related Allowance |
886
|
1,101
|
0
|
| Average Recorded Investment |
5,369
|
2,214
|
0
|
| Interest Income Recognized |
0
|
52
|
0
|
| Total |
|
|
|
| Recorded Investment |
9,549
|
7,532
|
12,229
|
| Unpaid Principal Balance |
9,592
|
7,618
|
13,745
|
| Related Allowance |
886
|
1,101
|
0
|
| Average Recorded Investment |
9,621
|
13,118
|
7,028
|
| Interest Income Recognized |
32
|
179
|
213
|
| Commercial real estate |
|
|
|
| With no related allowance recorded: |
|
|
|
| Recorded Investment |
1,838
|
1,334
|
8,623
|
| Unpaid Principal Balance |
1,838
|
1,334
|
10,139
|
| Average Recorded Investment |
1,846
|
5,614
|
4,562
|
| Interest Income Recognized |
21
|
69
|
70
|
| With an allowance recorded: |
|
|
|
| Recorded Investment |
0
|
519
|
0
|
| Unpaid Principal Balance |
0
|
519
|
0
|
| Related Allowance |
0
|
62
|
0
|
| Average Recorded Investment |
0
|
519
|
0
|
| Interest Income Recognized |
0
|
0
|
0
|
| Total |
|
|
|
| Recorded Investment |
1,838
|
1,853
|
8,623
|
| Unpaid Principal Balance |
1,838
|
1,853
|
10,139
|
| Related Allowance |
0
|
62
|
0
|
| Average Recorded Investment |
1,846
|
6,133
|
4,562
|
| Interest Income Recognized |
21
|
69
|
70
|
| Commercial |
|
|
|
| With no related allowance recorded: |
|
|
|
| Recorded Investment |
1,966
|
4,050
|
3,202
|
| Unpaid Principal Balance |
1,986
|
4,110
|
3,202
|
| Average Recorded Investment |
2,020
|
4,894
|
2,054
|
| Interest Income Recognized |
6
|
38
|
123
|
| With an allowance recorded: |
|
|
|
| Recorded Investment |
5,362
|
1,241
|
0
|
| Unpaid Principal Balance |
5,385
|
1,267
|
0
|
| Related Allowance |
886
|
1,039
|
0
|
| Average Recorded Investment |
5,369
|
1,695
|
0
|
| Interest Income Recognized |
0
|
52
|
0
|
| Total |
|
|
|
| Recorded Investment |
7,328
|
5,291
|
3,202
|
| Unpaid Principal Balance |
7,371
|
5,377
|
3,202
|
| Related Allowance |
886
|
1,039
|
0
|
| Average Recorded Investment |
7,389
|
6,589
|
2,054
|
| Interest Income Recognized |
6
|
90
|
123
|
| Residential real estate |
|
|
|
| With no related allowance recorded: |
|
|
|
| Recorded Investment |
383
|
388
|
404
|
| Unpaid Principal Balance |
383
|
388
|
404
|
| Average Recorded Investment |
386
|
396
|
412
|
| Interest Income Recognized |
5
|
20
|
20
|
| With an allowance recorded: |
|
|
|
| Recorded Investment |
0
|
0
|
0
|
| Unpaid Principal Balance |
0
|
0
|
0
|
| Related Allowance |
0
|
0
|
0
|
| Average Recorded Investment |
0
|
0
|
0
|
| Interest Income Recognized |
0
|
0
|
0
|
| Total |
|
|
|
| Recorded Investment |
383
|
388
|
404
|
| Unpaid Principal Balance |
383
|
388
|
404
|
| Related Allowance |
0
|
0
|
0
|
| Average Recorded Investment |
386
|
396
|
412
|
| Interest Income Recognized |
5
|
20
|
20
|
| Construction and land development |
|
|
|
| With no related allowance recorded: |
|
|
|
| Recorded Investment |
0
|
0
|
0
|
| Unpaid Principal Balance |
0
|
0
|
0
|
| Average Recorded Investment |
0
|
0
|
0
|
| Interest Income Recognized |
0
|
0
|
0
|
| With an allowance recorded: |
|
|
|
| Recorded Investment |
0
|
0
|
0
|
| Unpaid Principal Balance |
0
|
0
|
0
|
| Related Allowance |
0
|
0
|
0
|
| Average Recorded Investment |
0
|
0
|
0
|
| Interest Income Recognized |
0
|
0
|
0
|
| Total |
|
|
|
| Recorded Investment |
0
|
0
|
0
|
| Unpaid Principal Balance |
0
|
0
|
0
|
| Related Allowance |
0
|
0
|
0
|
| Average Recorded Investment |
0
|
0
|
0
|
| Interest Income Recognized |
0
|
0
|
0
|
| Consumer |
|
|
|
| With no related allowance recorded: |
|
|
|
| Recorded Investment |
0
|
0
|
0
|
| Unpaid Principal Balance |
0
|
0
|
0
|
| Average Recorded Investment |
0
|
0
|
0
|
| Interest Income Recognized |
0
|
0
|
0
|
| With an allowance recorded: |
|
|
|
| Recorded Investment |
0
|
0
|
0
|
| Unpaid Principal Balance |
0
|
0
|
0
|
| Related Allowance |
0
|
0
|
0
|
| Average Recorded Investment |
0
|
0
|
0
|
| Interest Income Recognized |
0
|
0
|
0
|
| Total |
|
|
|
| Recorded Investment |
0
|
0
|
0
|
| Unpaid Principal Balance |
0
|
0
|
0
|
| Related Allowance |
0
|
0
|
0
|
| Average Recorded Investment |
0
|
0
|
0
|
| Interest Income Recognized |
$ 0
|
$ 0
|
$ 0
|