Loans and the Allowance for Credit Losses - Summary of Amortized Cost Basis Loan Balances by Year of Origination and Credit Quality Indicator (Detail) - USD ($) $ in Thousands |
Mar. 31, 2024 |
Dec. 31, 2023 |
Financing Receivable, Recorded Investment [Line Items] |
|
|
Total loans |
$ 11,873,167
|
$ 11,638,461
|
30-59 Days Past Due [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Total loans |
15,226
|
15,152
|
60-89 Days Past Due [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Total loans |
5,605
|
9,729
|
90 Days or More Past Due [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Total loans |
24,957
|
25,302
|
Home Equity [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2024 |
11,894
|
12,828
|
Amortized Cost Basis by Origination Year 2023 |
1,752
|
1,959
|
Amortized Cost Basis by Origination Year 2022 |
2,366
|
1,568
|
Amortized Cost Basis by Origination Year 2021 |
1,316
|
2,449
|
Amortized Cost Basis by Origination Year 2020 |
2,568
|
1,964
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
25,455
|
26,482
|
Revolving Loans |
693,305
|
685,163
|
Revolving Loans Converted to Term |
2,317
|
1,806
|
Total loans |
740,973
|
734,219
|
Home Equity [Member] | Current [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2024 |
11,894
|
12,675
|
Amortized Cost Basis by Origination Year 2023 |
993
|
1,235
|
Amortized Cost Basis by Origination Year 2022 |
1,676
|
1,467
|
Amortized Cost Basis by Origination Year 2021 |
1,059
|
1,571
|
Amortized Cost Basis by Origination Year 2020 |
1,840
|
1,614
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
21,352
|
22,484
|
Revolving Loans |
689,877
|
681,848
|
Revolving Loans Converted to Term |
1,830
|
1,399
|
Total loans |
730,521
|
724,293
|
Home Equity [Member] | 30-59 Days Past Due [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2024 |
|
34
|
Amortized Cost Basis by Origination Year 2023 |
59
|
193
|
Amortized Cost Basis by Origination Year 2022 |
251
|
85
|
Amortized Cost Basis by Origination Year 2021 |
80
|
73
|
Amortized Cost Basis by Origination Year 2020 |
57
|
44
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
841
|
947
|
Revolving Loans |
3,425
|
3,315
|
Revolving Loans Converted to Term |
156
|
|
Total loans |
4,869
|
4,691
|
Home Equity [Member] | 60-89 Days Past Due [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2024 |
|
119
|
Amortized Cost Basis by Origination Year 2023 |
700
|
318
|
Amortized Cost Basis by Origination Year 2022 |
217
|
16
|
Amortized Cost Basis by Origination Year 2021 |
|
68
|
Amortized Cost Basis by Origination Year 2020 |
14
|
76
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
1,308
|
524
|
Revolving Loans |
3
|
|
Revolving Loans Converted to Term |
7
|
77
|
Total loans |
2,249
|
1,198
|
Home Equity [Member] | 90 Days or More Past Due [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2023 |
|
213
|
Amortized Cost Basis by Origination Year 2022 |
222
|
|
Amortized Cost Basis by Origination Year 2021 |
177
|
737
|
Amortized Cost Basis by Origination Year 2020 |
657
|
230
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
1,954
|
2,527
|
Revolving Loans Converted to Term |
324
|
330
|
Total loans |
3,334
|
4,037
|
Home Equity [Member] | Current-period gross charge-offs [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2023 |
20
|
139
|
Amortized Cost Basis by Origination Year 2022 |
62
|
57
|
Amortized Cost Basis by Origination Year 2021 |
|
29
|
Amortized Cost Basis by Origination Year 2020 |
35
|
79
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
72
|
615
|
Revolving Loans |
20
|
6
|
Revolving Loans Converted to Term |
7
|
|
Total loans |
216
|
925
|
Commercial Real Estate [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Total loans |
6,754,933
|
6,565,448
|
Commercial Real Estate [Member] | 30-59 Days Past Due [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Total loans |
2,852
|
4,416
|
Commercial Real Estate [Member] | 60-89 Days Past Due [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Total loans |
1,226
|
3,627
|
Commercial Real Estate [Member] | 90 Days or More Past Due [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Total loans |
11,859
|
10,594
|
Residential Real Estate [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2024 |
34,392
|
277,790
|
Amortized Cost Basis by Origination Year 2023 |
278,392
|
430,634
|
Amortized Cost Basis by Origination Year 2022 |
394,217
|
445,356
|
Amortized Cost Basis by Origination Year 2021 |
435,317
|
185,480
|
Amortized Cost Basis by Origination Year 2020 |
182,605
|
86,412
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
535,684
|
464,727
|
Revolving Loans Converted to Term |
608,750
|
548,175
|
Total loans |
2,469,357
|
2,438,574
|
Residential Real Estate [Member] | Current [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2024 |
34,392
|
277,790
|
Amortized Cost Basis by Origination Year 2023 |
278,392
|
429,835
|
Amortized Cost Basis by Origination Year 2022 |
393,426
|
445,322
|
Amortized Cost Basis by Origination Year 2021 |
435,283
|
185,139
|
Amortized Cost Basis by Origination Year 2020 |
182,098
|
86,149
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
527,391
|
456,818
|
Revolving Loans Converted to Term |
607,421
|
548,147
|
Total loans |
2,458,403
|
2,429,200
|
Residential Real Estate [Member] | 30-59 Days Past Due [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2020 |
339
|
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
2,728
|
1,572
|
Revolving Loans Converted to Term |
93
|
|
Total loans |
3,160
|
1,572
|
Residential Real Estate [Member] | 60-89 Days Past Due [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2021 |
|
341
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
478
|
2,130
|
Total loans |
478
|
2,471
|
Residential Real Estate [Member] | 90 Days or More Past Due [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2023 |
|
799
|
Amortized Cost Basis by Origination Year 2022 |
791
|
34
|
Amortized Cost Basis by Origination Year 2021 |
34
|
|
Amortized Cost Basis by Origination Year 2020 |
168
|
263
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
5,087
|
4,207
|
Revolving Loans Converted to Term |
1,236
|
28
|
Total loans |
7,316
|
5,331
|
Residential Real Estate [Member] | Current-period gross charge-offs [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2020 |
|
5
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
77
|
387
|
Revolving Loans Converted to Term |
58
|
|
Total loans |
135
|
392
|
Consumer [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2024 |
19,105
|
85,480
|
Amortized Cost Basis by Origination Year 2023 |
77,189
|
60,006
|
Amortized Cost Basis by Origination Year 2022 |
54,114
|
22,853
|
Amortized Cost Basis by Origination Year 2021 |
20,016
|
13,707
|
Amortized Cost Basis by Origination Year 2020 |
11,288
|
11,134
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
19,076
|
12,429
|
Revolving Loans |
23,944
|
23,948
|
Revolving Loans Converted to Term |
|
4
|
Total loans |
224,732
|
229,561
|
Consumer [Member] | Current [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2024 |
19,019
|
84,526
|
Amortized Cost Basis by Origination Year 2023 |
76,043
|
57,661
|
Amortized Cost Basis by Origination Year 2022 |
52,536
|
21,592
|
Amortized Cost Basis by Origination Year 2021 |
19,109
|
13,189
|
Amortized Cost Basis by Origination Year 2020 |
10,962
|
10,958
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
18,694
|
12,143
|
Revolving Loans |
23,939
|
23,916
|
Revolving Loans Converted to Term |
|
4
|
Total loans |
220,302
|
223,989
|
Consumer [Member] | 30-59 Days Past Due [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2024 |
86
|
699
|
Amortized Cost Basis by Origination Year 2023 |
709
|
1,526
|
Amortized Cost Basis by Origination Year 2022 |
950
|
952
|
Amortized Cost Basis by Origination Year 2021 |
779
|
343
|
Amortized Cost Basis by Origination Year 2020 |
183
|
162
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
193
|
119
|
Revolving Loans |
5
|
32
|
Total loans |
2,905
|
3,833
|
Consumer [Member] | 60-89 Days Past Due [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2024 |
|
191
|
Amortized Cost Basis by Origination Year 2023 |
281
|
616
|
Amortized Cost Basis by Origination Year 2022 |
519
|
195
|
Amortized Cost Basis by Origination Year 2021 |
64
|
112
|
Amortized Cost Basis by Origination Year 2020 |
73
|
5
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
82
|
59
|
Total loans |
1,019
|
1,178
|
Consumer [Member] | 90 Days or More Past Due [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2024 |
|
64
|
Amortized Cost Basis by Origination Year 2023 |
156
|
203
|
Amortized Cost Basis by Origination Year 2022 |
109
|
114
|
Amortized Cost Basis by Origination Year 2021 |
64
|
63
|
Amortized Cost Basis by Origination Year 2020 |
70
|
9
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
107
|
108
|
Total loans |
506
|
561
|
Consumer [Member] | Current-period gross charge-offs [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2024 |
|
251
|
Amortized Cost Basis by Origination Year 2023 |
189
|
1,921
|
Amortized Cost Basis by Origination Year 2022 |
587
|
901
|
Amortized Cost Basis by Origination Year 2021 |
213
|
301
|
Amortized Cost Basis by Origination Year 2020 |
52
|
100
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
57
|
247
|
Revolving Loans |
|
4
|
Total loans |
1,098
|
3,725
|
Commercial Real Estate - Land and Construction [Member] | Current-period gross charge-offs [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2023 |
813
|
|
Revolving Loans Converted to Term |
|
222
|
Total loans |
813
|
222
|
Commercial Real Estate - Land and Construction [Member] | Commercial Real Estate [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2024 |
24,606
|
290,954
|
Amortized Cost Basis by Origination Year 2023 |
331,586
|
349,549
|
Amortized Cost Basis by Origination Year 2022 |
379,849
|
145,043
|
Amortized Cost Basis by Origination Year 2021 |
152,158
|
54,172
|
Amortized Cost Basis by Origination Year 2020 |
24,478
|
48,655
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
60,405
|
35,942
|
Revolving Loans |
62,776
|
82,587
|
Revolving Loans Converted to Term |
51,791
|
48,963
|
Total loans |
1,087,649
|
1,055,865
|
Commercial Real Estate - Land and Construction [Member] | Commercial Real Estate [Member] | Pass [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2024 |
24,606
|
290,954
|
Amortized Cost Basis by Origination Year 2023 |
331,376
|
349,549
|
Amortized Cost Basis by Origination Year 2022 |
379,849
|
145,043
|
Amortized Cost Basis by Origination Year 2021 |
152,158
|
54,172
|
Amortized Cost Basis by Origination Year 2020 |
24,478
|
48,655
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
60,384
|
35,917
|
Revolving Loans |
62,496
|
82,288
|
Revolving Loans Converted to Term |
49,628
|
46,781
|
Total loans |
1,084,975
|
1,053,359
|
Commercial Real Estate - Land and Construction [Member] | Commercial Real Estate [Member] | Criticized [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
14
|
16
|
Revolving Loans |
280
|
299
|
Revolving Loans Converted to Term |
2,163
|
2,182
|
Total loans |
2,457
|
2,497
|
Commercial Real Estate - Land and Construction [Member] | Commercial Real Estate [Member] | Classified - substandard [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2023 |
210
|
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
7
|
9
|
Total loans |
217
|
9
|
Commercial Real Estate - Improved Property [Member] | Current-period gross charge-offs [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2022 |
|
372
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
58
|
1,505
|
Total loans |
58
|
1,877
|
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2024 |
107,508
|
496,063
|
Amortized Cost Basis by Origination Year 2023 |
515,096
|
1,093,322
|
Amortized Cost Basis by Origination Year 2022 |
1,107,690
|
612,401
|
Amortized Cost Basis by Origination Year 2021 |
585,604
|
588,343
|
Amortized Cost Basis by Origination Year 2020 |
625,540
|
543,180
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
2,266,323
|
1,787,604
|
Revolving Loans |
117,275
|
105,840
|
Revolving Loans Converted to Term |
342,248
|
282,830
|
Total loans |
5,667,284
|
5,509,583
|
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | 30-59 Days Past Due [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Total loans |
2,852
|
4,416
|
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | 60-89 Days Past Due [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Total loans |
1,226
|
3,627
|
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | 90 Days or More Past Due [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Total loans |
11,859
|
10,594
|
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | Pass [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2024 |
107,508
|
494,142
|
Amortized Cost Basis by Origination Year 2023 |
500,262
|
1,076,535
|
Amortized Cost Basis by Origination Year 2022 |
1,090,763
|
603,354
|
Amortized Cost Basis by Origination Year 2021 |
576,509
|
581,540
|
Amortized Cost Basis by Origination Year 2020 |
618,834
|
514,523
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
2,165,451
|
1,706,804
|
Revolving Loans |
115,578
|
103,467
|
Revolving Loans Converted to Term |
316,758
|
257,029
|
Total loans |
5,491,663
|
5,337,394
|
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | Criticized [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2023 |
12,928
|
16,270
|
Amortized Cost Basis by Origination Year 2022 |
11,434
|
8,630
|
Amortized Cost Basis by Origination Year 2021 |
8,319
|
4,387
|
Amortized Cost Basis by Origination Year 2020 |
4,380
|
5,185
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
39,434
|
44,861
|
Revolving Loans |
1,697
|
2,373
|
Revolving Loans Converted to Term |
25,456
|
25,767
|
Total loans |
103,648
|
107,473
|
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | Classified - substandard [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2024 |
|
1,921
|
Amortized Cost Basis by Origination Year 2023 |
1,906
|
517
|
Amortized Cost Basis by Origination Year 2022 |
5,493
|
417
|
Amortized Cost Basis by Origination Year 2021 |
776
|
2,416
|
Amortized Cost Basis by Origination Year 2020 |
2,326
|
23,472
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
61,438
|
35,939
|
Revolving Loans Converted to Term |
34
|
34
|
Total loans |
71,973
|
64,716
|
Commercial and Industrial [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2024 |
60,297
|
239,554
|
Amortized Cost Basis by Origination Year 2023 |
218,694
|
235,503
|
Amortized Cost Basis by Origination Year 2022 |
228,484
|
140,482
|
Amortized Cost Basis by Origination Year 2021 |
136,143
|
80,591
|
Amortized Cost Basis by Origination Year 2020 |
70,478
|
47,418
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
316,354
|
286,268
|
Revolving Loans |
585,945
|
567,823
|
Revolving Loans Converted to Term |
66,777
|
73,020
|
Total loans |
1,683,172
|
1,670,659
|
Commercial and Industrial [Member] | 30-59 Days Past Due [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Total loans |
1,440
|
640
|
Commercial and Industrial [Member] | 60-89 Days Past Due [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Total loans |
633
|
1,255
|
Commercial and Industrial [Member] | 90 Days or More Past Due [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Total loans |
1,942
|
4,779
|
Commercial and Industrial [Member] | Pass [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2024 |
60,297
|
238,427
|
Amortized Cost Basis by Origination Year 2023 |
217,013
|
234,520
|
Amortized Cost Basis by Origination Year 2022 |
226,435
|
136,998
|
Amortized Cost Basis by Origination Year 2021 |
135,148
|
78,836
|
Amortized Cost Basis by Origination Year 2020 |
68,852
|
39,259
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
275,734
|
252,826
|
Revolving Loans |
546,174
|
541,400
|
Revolving Loans Converted to Term |
58,380
|
64,417
|
Total loans |
1,588,033
|
1,586,683
|
Commercial and Industrial [Member] | Criticized [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2024 |
|
1,094
|
Amortized Cost Basis by Origination Year 2023 |
1,276
|
834
|
Amortized Cost Basis by Origination Year 2022 |
1,174
|
3,169
|
Amortized Cost Basis by Origination Year 2021 |
254
|
1,490
|
Amortized Cost Basis by Origination Year 2020 |
1,387
|
7,334
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
38,277
|
31,526
|
Revolving Loans |
15,626
|
20,626
|
Revolving Loans Converted to Term |
7,437
|
7,131
|
Total loans |
65,431
|
73,204
|
Commercial and Industrial [Member] | Classified - substandard [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2024 |
|
33
|
Amortized Cost Basis by Origination Year 2023 |
405
|
149
|
Amortized Cost Basis by Origination Year 2022 |
875
|
315
|
Amortized Cost Basis by Origination Year 2021 |
741
|
265
|
Amortized Cost Basis by Origination Year 2020 |
239
|
825
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
2,343
|
1,916
|
Revolving Loans |
24,145
|
5,797
|
Revolving Loans Converted to Term |
960
|
1,472
|
Total loans |
29,708
|
10,772
|
Commercial and Industrial [Member] | Current-period gross charge-offs [Member] |
|
|
Financing Receivable, Recorded Investment [Line Items] |
|
|
Amortized Cost Basis by Origination Year 2024 |
|
98
|
Amortized Cost Basis by Origination Year 2023 |
274
|
205
|
Amortized Cost Basis by Origination Year 2022 |
126
|
603
|
Amortized Cost Basis by Origination Year 2021 |
|
353
|
Amortized Cost Basis by Origination Year 2020 |
53
|
20
|
Amortized Cost Basis by Origination Year, Prior to 2019 |
325
|
463
|
Revolving Loans Converted to Term |
4,032
|
541
|
Total loans |
$ 4,810
|
$ 2,283
|