Loans - Financing Receivable, Gross Charge-Offs By Year of Origination (Details) - USD ($) $ in Thousands |
3 Months Ended |
6 Months Ended |
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
Commercial Portfolio Segment [Member] |
|
|
|
|
Financing Receivable, Allowance for Credit Loss [Line Items] |
|
|
|
|
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year |
$ 1,194,235
|
|
$ 1,194,235
|
|
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year |
810,091
|
|
810,091
|
|
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year |
473,001
|
|
473,001
|
|
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year |
396,346
|
|
396,346
|
|
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year |
244,404
|
|
244,404
|
|
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year |
511,946
|
|
511,946
|
|
Financing Receivable, Excluding Accrued Interest, Revolving |
2,340,836
|
|
2,340,836
|
|
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff |
4,163
|
$ 4,282
|
8,499
|
$ 6,426
|
Commercial and Industrial Total Energy Loans [Member] |
|
|
|
|
Financing Receivable, Allowance for Credit Loss [Line Items] |
|
|
|
|
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year |
266,151
|
|
266,151
|
|
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year |
163,016
|
|
163,016
|
|
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year |
14,498
|
|
14,498
|
|
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year |
36,094
|
|
36,094
|
|
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year |
15,612
|
|
15,612
|
|
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year |
3,465
|
|
3,465
|
|
Financing Receivable, Excluding Accrued Interest, Revolving |
808,989
|
|
808,989
|
|
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff |
0
|
79
|
52
|
79
|
Commercial Real Estate Buildings Land And Other Loans [Member] |
|
|
|
|
Financing Receivable, Allowance for Credit Loss [Line Items] |
|
|
|
|
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year |
712,432
|
|
712,432
|
|
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year |
1,361,243
|
|
1,361,243
|
|
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year |
1,321,385
|
|
1,321,385
|
|
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year |
1,515,319
|
|
1,515,319
|
|
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year |
1,106,557
|
|
1,106,557
|
|
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year |
1,607,253
|
|
1,607,253
|
|
Financing Receivable, Excluding Accrued Interest, Revolving |
184,828
|
|
184,828
|
|
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff |
|
|
4,639
|
|
Construction Loans [Member] |
|
|
|
|
Financing Receivable, Allowance for Credit Loss [Line Items] |
|
|
|
|
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year |
269,964
|
|
269,964
|
|
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year |
625,953
|
|
625,953
|
|
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year |
449,097
|
|
449,097
|
|
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year |
478,934
|
|
478,934
|
|
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year |
107,518
|
|
107,518
|
|
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year |
89
|
|
89
|
|
Financing Receivable, Excluding Accrued Interest, Revolving |
144,145
|
|
144,145
|
|
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff |
|
|
0
|
|
Total consumer real estate loans [Member] |
|
|
|
|
Financing Receivable, Allowance for Credit Loss [Line Items] |
|
|
|
|
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff |
1,292
|
408
|
2,250
|
2,077
|
Consumer Loan [Member] |
|
|
|
|
Financing Receivable, Allowance for Credit Loss [Line Items] |
|
|
|
|
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff |
7,290
|
8,360
|
14,134
|
16,617
|
Loans Receivable [Member] |
|
|
|
|
Financing Receivable, Allowance for Credit Loss [Line Items] |
|
|
|
|
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff |
15,384
|
$ 13,251
|
29,574
|
$ 25,321
|
Nonperforming Financial Instruments [Member] |
|
|
|
|
Financing Receivable, Allowance for Credit Loss [Line Items] |
|
|
|
|
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year |
11,812
|
|
11,812
|
|
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year |
2,587
|
|
2,587
|
|
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year |
9,296
|
|
9,296
|
|
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year |
4,923
|
|
4,923
|
|
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year |
2,676
|
|
2,676
|
|
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year |
10,218
|
|
10,218
|
|
Financing Receivable, Excluding Accrued Interest, Revolving |
5,409
|
|
5,409
|
|
Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan |
15,472
|
|
15,472
|
|
Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] |
|
|
|
|
Financing Receivable, Allowance for Credit Loss [Line Items] |
|
|
|
|
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year |
8,896
|
|
8,896
|
|
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year |
2,402
|
|
2,402
|
|
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year |
6,228
|
|
6,228
|
|
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year |
3,609
|
|
3,609
|
|
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year |
1,493
|
|
1,493
|
|
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year |
2,184
|
|
2,184
|
|
Financing Receivable, Excluding Accrued Interest, Revolving |
2,652
|
|
2,652
|
|
Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan |
10,551
|
|
10,551
|
|
Nonperforming Financial Instruments [Member] | Commercial and Industrial Total Energy Loans [Member] |
|
|
|
|
Financing Receivable, Allowance for Credit Loss [Line Items] |
|
|
|
|
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year |
1,343
|
|
1,343
|
|
Financing Receivable, Excluding Accrued Interest, Revolving |
2,677
|
|
2,677
|
|
Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan |
0
|
|
0
|
|
Nonperforming Financial Instruments [Member] | Commercial Real Estate Buildings Land And Other Loans [Member] |
|
|
|
|
Financing Receivable, Allowance for Credit Loss [Line Items] |
|
|
|
|
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year |
2,916
|
|
2,916
|
|
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year |
3,013
|
|
3,013
|
|
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year |
1,314
|
|
1,314
|
|
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year |
1,183
|
|
1,183
|
|
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year |
4,378
|
|
4,378
|
|
Financing Receivable, Excluding Accrued Interest, Revolving |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan |
1,254
|
|
1,254
|
|
Nonperforming Financial Instruments [Member] | Construction Loans [Member] |
|
|
|
|
Financing Receivable, Allowance for Credit Loss [Line Items] |
|
|
|
|
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Revolving |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan |
0
|
|
0
|
|
Nonperforming Financial Instruments [Member] | Total consumer real estate loans [Member] |
|
|
|
|
Financing Receivable, Allowance for Credit Loss [Line Items] |
|
|
|
|
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year |
47
|
|
47
|
|
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year |
2,313
|
|
2,313
|
|
Financing Receivable, Excluding Accrued Interest, Revolving |
80
|
|
80
|
|
Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan |
3,667
|
|
3,667
|
|
Nonperforming Financial Instruments [Member] | Consumer Loan [Member] |
|
|
|
|
Financing Receivable, Allowance for Credit Loss [Line Items] |
|
|
|
|
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year |
185
|
|
185
|
|
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year |
8
|
|
8
|
|
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Revolving |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan |
0
|
|
0
|
|
Financial Asset, Other than Financial Asset Acquired with Credit Deterioration | Nonperforming Financial Instruments [Member] |
|
|
|
|
Financing Receivable, Allowance for Credit Loss [Line Items] |
|
|
|
|
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year |
7,789
|
|
7,789
|
|
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year |
4,696
|
|
4,696
|
|
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year |
2,496
|
|
2,496
|
|
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year |
484
|
|
484
|
|
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year |
5,348
|
|
5,348
|
|
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year |
505
|
|
505
|
|
Financing Receivable, Excluding Accrued Interest, Revolving |
5,215
|
|
5,215
|
|
Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan |
3,041
|
|
3,041
|
|
Financial Asset, Other than Financial Asset Acquired with Credit Deterioration | Nonperforming Financial Instruments [Member] | Commercial Portfolio Segment [Member] |
|
|
|
|
Financing Receivable, Allowance for Credit Loss [Line Items] |
|
|
|
|
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year |
165
|
|
165
|
|
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year |
682
|
|
682
|
|
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year |
1,774
|
|
1,774
|
|
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year |
101
|
|
101
|
|
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year |
452
|
|
452
|
|
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year |
61
|
|
61
|
|
Financing Receivable, Excluding Accrued Interest, Revolving |
2,752
|
|
2,752
|
|
Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan |
2,512
|
|
2,512
|
|
Financial Asset, Other than Financial Asset Acquired with Credit Deterioration | Nonperforming Financial Instruments [Member] | Commercial and Industrial Total Energy Loans [Member] |
|
|
|
|
Financing Receivable, Allowance for Credit Loss [Line Items] |
|
|
|
|
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year |
52
|
|
52
|
|
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Revolving |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan |
0
|
|
0
|
|
Financial Asset, Other than Financial Asset Acquired with Credit Deterioration | Nonperforming Financial Instruments [Member] | Commercial Real Estate Buildings Land And Other Loans [Member] |
|
|
|
|
Financing Receivable, Allowance for Credit Loss [Line Items] |
|
|
|
|
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year |
4,636
|
|
4,636
|
|
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year |
3
|
|
3
|
|
Financing Receivable, Excluding Accrued Interest, Revolving |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan |
0
|
|
0
|
|
Financial Asset, Other than Financial Asset Acquired with Credit Deterioration | Nonperforming Financial Instruments [Member] | Construction Loans [Member] |
|
|
|
|
Financing Receivable, Allowance for Credit Loss [Line Items] |
|
|
|
|
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Revolving |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan |
0
|
|
0
|
|
Financial Asset, Other than Financial Asset Acquired with Credit Deterioration | Nonperforming Financial Instruments [Member] | Total consumer real estate loans [Member] |
|
|
|
|
Financing Receivable, Allowance for Credit Loss [Line Items] |
|
|
|
|
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year |
0
|
|
0
|
|
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year |
57
|
|
57
|
|
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year |
261
|
|
261
|
|
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year |
110
|
|
110
|
|
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year |
259
|
|
259
|
|
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year |
428
|
|
428
|
|
Financing Receivable, Excluding Accrued Interest, Revolving |
1,135
|
|
1,135
|
|
Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan |
0
|
|
0
|
|
Financial Asset, Other than Financial Asset Acquired with Credit Deterioration | Nonperforming Financial Instruments [Member] | Consumer Loan [Member] |
|
|
|
|
Financing Receivable, Allowance for Credit Loss [Line Items] |
|
|
|
|
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year |
7,624
|
|
7,624
|
|
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year |
3,957
|
|
3,957
|
|
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year |
461
|
|
461
|
|
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year |
221
|
|
221
|
|
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year |
1
|
|
1
|
|
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year |
13
|
|
13
|
|
Financing Receivable, Excluding Accrued Interest, Revolving |
1,328
|
|
1,328
|
|
Financing Receivable, Excluding Accrued Interest, Revolving, Converted to Term Loan |
$ 529
|
|
$ 529
|
|