LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES (Loans Held for Investment by Years of Origination) (Details) - USD ($) $ in Thousands |
3 Months Ended |
12 Months Ended |
Mar. 31, 2026 |
Mar. 31, 2025 |
Dec. 31, 2025 |
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| Total |
$ 2,518,404
|
|
$ 2,546,118
|
| Current Period Gross Writeoffs, Total |
1,796
|
$ 1,611
|
|
| Commercial, Financial and Agricultural [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| 2026 |
9,458
|
|
38,002
|
| 2025 |
35,221
|
|
23,692
|
| 2024 |
20,802
|
|
25,742
|
| 2023 |
21,095
|
|
23,376
|
| 2022 |
20,433
|
|
10,942
|
| Prior |
18,302
|
|
8,956
|
| Revolving Loans |
44,957
|
|
49,631
|
| Total |
170,268
|
|
180,341
|
| Current Period Gross Writeoffs, 2026 |
0
|
|
0
|
| Current Period Gross Writeoffs, 2025 |
0
|
|
209
|
| Current Period Gross Writeoffs, 2024 |
81
|
|
114
|
| Current Period Gross Writeoffs, 2023 |
75
|
|
344
|
| Current Period Gross Writeoffs, 2022 |
55
|
|
70
|
| Current Period Gross Writeoffs, Prior |
6
|
|
1
|
| Current Period Gross Writeoffs, Revolving |
83
|
|
44
|
| Current Period Gross Writeoffs, Total |
300
|
168
|
782
|
| Commercial, Financial and Agricultural [Member] | Pass [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| 2026 |
9,380
|
|
37,680
|
| 2025 |
34,767
|
|
23,425
|
| 2024 |
20,654
|
|
22,907
|
| 2023 |
18,368
|
|
23,068
|
| 2022 |
20,251
|
|
10,922
|
| Prior |
18,188
|
|
8,740
|
| Revolving Loans |
43,764
|
|
48,354
|
| Total |
165,372
|
|
175,096
|
| Commercial, Financial and Agricultural [Member] | Special Mention [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| 2026 |
78
|
|
322
|
| 2025 |
302
|
|
121
|
| 2024 |
116
|
|
2,740
|
| 2023 |
2,661
|
|
63
|
| 2022 |
27
|
|
4
|
| Prior |
93
|
|
180
|
| Revolving Loans |
46
|
|
163
|
| Total |
3,323
|
|
3,593
|
| Commercial, Financial and Agricultural [Member] | Substandard [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| 2026 |
0
|
|
0
|
| 2025 |
152
|
|
146
|
| 2024 |
32
|
|
95
|
| 2023 |
66
|
|
245
|
| 2022 |
155
|
|
16
|
| Prior |
21
|
|
36
|
| Revolving Loans |
1,147
|
|
1,114
|
| Total |
1,573
|
|
1,652
|
| Real Estate - Construction [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| 2026 |
10,663
|
|
76,850
|
| 2025 |
96,033
|
|
39,024
|
| 2024 |
27,370
|
|
4,388
|
| 2023 |
3,875
|
|
17,123
|
| 2022 |
12,005
|
|
53
|
| Prior |
239
|
|
187
|
| Revolving Loans |
6,445
|
|
9,295
|
| Total |
156,630
|
|
146,920
|
| Current Period Gross Writeoffs, Total |
0
|
0
|
|
| Real Estate - Construction [Member] | Pass [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| 2026 |
10,663
|
|
76,850
|
| 2025 |
96,033
|
|
39,024
|
| 2024 |
27,370
|
|
3,298
|
| 2023 |
3,503
|
|
14,996
|
| 2022 |
10,490
|
|
53
|
| Prior |
239
|
|
187
|
| Revolving Loans |
6,445
|
|
9,295
|
| Total |
154,743
|
|
143,703
|
| Real Estate - Construction [Member] | Special Mention [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| 2026 |
0
|
|
0
|
| 2025 |
0
|
|
0
|
| 2024 |
0
|
|
372
|
| 2023 |
372
|
|
2,127
|
| 2022 |
1,515
|
|
0
|
| Prior |
0
|
|
0
|
| Revolving Loans |
0
|
|
0
|
| Total |
1,887
|
|
2,499
|
| Real Estate - Construction [Member] | Substandard [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| 2026 |
|
|
0
|
| 2025 |
|
|
0
|
| 2024 |
|
|
718
|
| 2023 |
|
|
0
|
| 2022 |
|
|
0
|
| Prior |
|
|
0
|
| Revolving Loans |
|
|
0
|
| Total |
|
|
718
|
| Real Estate - Commercial Mortgage [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| 2026 |
21,212
|
|
104,303
|
| 2025 |
97,697
|
|
82,227
|
| 2024 |
70,056
|
|
107,085
|
| 2023 |
99,493
|
|
195,924
|
| 2022 |
191,212
|
|
97,539
|
| Prior |
243,408
|
|
158,228
|
| Revolving Loans |
32,722
|
|
23,425
|
| Total |
755,800
|
|
768,731
|
| Current Period Gross Writeoffs, 2026 |
|
|
0
|
| Current Period Gross Writeoffs, 2025 |
|
|
0
|
| Current Period Gross Writeoffs, 2024 |
|
|
0
|
| Current Period Gross Writeoffs, 2023 |
|
|
0
|
| Current Period Gross Writeoffs, 2022 |
|
|
0
|
| Current Period Gross Writeoffs, Prior |
|
|
4
|
| Current Period Gross Writeoffs, Revolving |
|
|
0
|
| Current Period Gross Writeoffs, Total |
0
|
0
|
4
|
| Real Estate - Commercial Mortgage [Member] | Pass [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| 2026 |
21,212
|
|
93,723
|
| 2025 |
87,220
|
|
76,348
|
| 2024 |
65,642
|
|
101,262
|
| 2023 |
95,144
|
|
174,959
|
| 2022 |
166,153
|
|
92,388
|
| Prior |
232,070
|
|
152,307
|
| Revolving Loans |
31,811
|
|
22,555
|
| Total |
699,252
|
|
713,542
|
| Real Estate - Commercial Mortgage [Member] | Special Mention [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| 2026 |
0
|
|
9,830
|
| 2025 |
9,744
|
|
4,477
|
| 2024 |
3,012
|
|
5,725
|
| 2023 |
4,252
|
|
20,547
|
| 2022 |
24,648
|
|
3,922
|
| Prior |
7,760
|
|
4,074
|
| Revolving Loans |
762
|
|
720
|
| Total |
50,178
|
|
49,295
|
| Real Estate - Commercial Mortgage [Member] | Substandard [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| 2026 |
0
|
|
750
|
| 2025 |
733
|
|
1,402
|
| 2024 |
0
|
|
98
|
| 2023 |
97
|
|
418
|
| 2022 |
411
|
|
1,229
|
| Prior |
3,578
|
|
1,847
|
| Revolving Loans |
149
|
|
150
|
| Total |
4,968
|
|
5,894
|
| Real Estate - Commercial Mortgage [Member] | Doubtful [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| 2026 |
0
|
|
|
| 2025 |
0
|
|
|
| 2024 |
1,402
|
|
|
| 2023 |
0
|
|
|
| 2022 |
0
|
|
|
| Prior |
0
|
|
|
| Revolving Loans |
0
|
|
|
| Total |
1,402
|
|
|
| Real Estate - Residential [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| 2026 |
39,252
|
|
142,278
|
| 2025 |
126,831
|
|
131,453
|
| 2024 |
123,253
|
|
270,273
|
| 2023 |
256,627
|
|
317,719
|
| 2022 |
309,292
|
|
62,214
|
| Prior |
146,290
|
|
90,693
|
| Revolving Loans |
9,522
|
|
11,060
|
| Total |
1,011,067
|
|
1,025,690
|
| Current Period Gross Writeoffs, 2026 |
|
|
0
|
| Current Period Gross Writeoffs, 2025 |
|
|
27
|
| Current Period Gross Writeoffs, 2024 |
|
|
59
|
| Current Period Gross Writeoffs, 2023 |
|
|
32
|
| Current Period Gross Writeoffs, 2022 |
|
|
0
|
| Current Period Gross Writeoffs, Prior |
|
|
18
|
| Current Period Gross Writeoffs, Revolving |
|
|
0
|
| Current Period Gross Writeoffs, Total |
0
|
8
|
136
|
| Real Estate - Residential [Member] | Pass [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| 2026 |
38,849
|
|
142,278
|
| 2025 |
126,831
|
|
130,895
|
| 2024 |
121,881
|
|
269,844
|
| 2023 |
256,201
|
|
316,402
|
| 2022 |
307,977
|
|
59,950
|
| Prior |
140,699
|
|
87,545
|
| Revolving Loans |
9,407
|
|
10,521
|
| Total |
1,001,845
|
|
1,017,435
|
| Real Estate - Residential [Member] | Special Mention [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| 2026 |
365
|
|
0
|
| 2025 |
0
|
|
0
|
| 2024 |
815
|
|
0
|
| 2023 |
0
|
|
116
|
| 2022 |
115
|
|
954
|
| Prior |
1,733
|
|
807
|
| Revolving Loans |
0
|
|
378
|
| Total |
3,028
|
|
2,255
|
| Real Estate - Residential [Member] | Substandard [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| 2026 |
38
|
|
0
|
| 2025 |
0
|
|
558
|
| 2024 |
557
|
|
429
|
| 2023 |
426
|
|
1,201
|
| 2022 |
1,200
|
|
1,310
|
| Prior |
3,858
|
|
2,341
|
| Revolving Loans |
115
|
|
161
|
| Total |
6,194
|
|
6,000
|
| Real Estate - Home Equity [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| 2026 |
279
|
|
391
|
| 2025 |
351
|
|
9
|
| 2024 |
8
|
|
411
|
| 2023 |
297
|
|
19
|
| 2022 |
18
|
|
106
|
| Prior |
516
|
|
587
|
| Revolving Loans |
242,463
|
|
239,374
|
| Total |
243,932
|
|
240,897
|
| Current Period Gross Writeoffs, 2026 |
0
|
|
0
|
| Current Period Gross Writeoffs, 2025 |
0
|
|
0
|
| Current Period Gross Writeoffs, 2024 |
0
|
|
0
|
| Current Period Gross Writeoffs, 2023 |
0
|
|
0
|
| Current Period Gross Writeoffs, 2022 |
0
|
|
0
|
| Current Period Gross Writeoffs, Prior |
0
|
|
9
|
| Current Period Gross Writeoffs, Revolving |
13
|
|
35
|
| Current Period Gross Writeoffs, Total |
13
|
0
|
44
|
| Real Estate - Home Equity [Member] | Performing Financial Instruments [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| 2026 |
279
|
|
391
|
| 2025 |
351
|
|
9
|
| 2024 |
8
|
|
411
|
| 2023 |
297
|
|
19
|
| 2022 |
18
|
|
106
|
| Prior |
516
|
|
587
|
| Revolving Loans |
238,971
|
|
237,678
|
| Total |
240,440
|
|
239,201
|
| Real Estate - Home Equity [Member] | Nonperforming Financial Instruments [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| 2026 |
0
|
|
0
|
| 2025 |
0
|
|
0
|
| 2024 |
0
|
|
0
|
| 2023 |
0
|
|
0
|
| 2022 |
0
|
|
0
|
| Prior |
0
|
|
0
|
| Revolving Loans |
3,492
|
|
1,696
|
| Total |
3,492
|
|
1,696
|
| Consumer [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| 2026 |
19,800
|
|
63,629
|
| 2025 |
57,665
|
|
22,057
|
| 2024 |
19,803
|
|
28,068
|
| 2023 |
24,559
|
|
31,679
|
| 2022 |
26,921
|
|
21,596
|
| Prior |
20,899
|
|
5,195
|
| Revolving Loans |
11,060
|
|
11,315
|
| Total |
180,707
|
|
183,539
|
| Current Period Gross Writeoffs, 2026 |
632
|
|
2,789
|
| Current Period Gross Writeoffs, 2025 |
114
|
|
376
|
| Current Period Gross Writeoffs, 2024 |
121
|
|
1,003
|
| Current Period Gross Writeoffs, 2023 |
216
|
|
1,036
|
| Current Period Gross Writeoffs, 2022 |
198
|
|
454
|
| Current Period Gross Writeoffs, Prior |
142
|
|
144
|
| Current Period Gross Writeoffs, Revolving |
60
|
|
152
|
| Current Period Gross Writeoffs, Total |
1,483
|
$ 1,435
|
5,954
|
| Consumer [Member] | Performing Financial Instruments [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| 2026 |
19,800
|
|
63,443
|
| 2025 |
57,351
|
|
21,866
|
| 2024 |
19,718
|
|
27,919
|
| 2023 |
24,448
|
|
31,464
|
| 2022 |
26,716
|
|
21,524
|
| Prior |
20,732
|
|
5,164
|
| Revolving Loans |
11,060
|
|
11,315
|
| Total |
179,825
|
|
182,695
|
| Consumer [Member] | Nonperforming Financial Instruments [Member] |
|
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
|
| 2026 |
0
|
|
186
|
| 2025 |
314
|
|
191
|
| 2024 |
85
|
|
149
|
| 2023 |
111
|
|
215
|
| 2022 |
205
|
|
72
|
| Prior |
167
|
|
31
|
| Revolving Loans |
0
|
|
0
|
| Total |
$ 882
|
|
$ 844
|