Loans and Allowance for Credit Losses - Summary of Amortized Cost of CCBX Loans (Details) - USD ($) $ in Thousands |
9 Months Ended |
12 Months Ended |
Sep. 30, 2026 |
Dec. 31, 2025 |
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| Loans receivable |
$ 4,185,529
|
$ 3,749,531
|
| Total CCBX Loans | CCBX Loans |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
543,010
|
395,346
|
| 2023, current period gross write-offs |
2,883
|
9,522
|
| 2025 |
183,597
|
172,613
|
| 2022, current period gross write-offs |
23,817
|
36,958
|
| 2024 |
92,212
|
90,378
|
| 2021, current period gross write-offs |
19,665
|
28,824
|
| 2023 |
48,472
|
24,910
|
| 2020, current period gross write-offs |
10,656
|
8,657
|
| 2022 |
13,298
|
1,000
|
| 2019, current period gross write-offs |
2,064
|
738
|
| Prior |
414
|
101
|
| Prior, current period gross write-offs |
207
|
6
|
| Revolving Loans Amortized Cost Basis |
1,325,046
|
1,121,766
|
| Revolving Loans Amortized Cost Basis, current period gross write-offs |
111,181
|
132,427
|
| Revolving Loans Converted To Term |
1,485
|
1,980
|
| Revolving Loans Converted To Term, current period gross write-offs |
0
|
0
|
| Loans receivable |
2,207,534
|
1,808,094
|
| Total, current period gross write-offs |
170,473
|
217,132
|
| Commercial and industrial loans |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
37,333
|
131,644
|
| 2023, current period gross write-offs |
0
|
0
|
| 2025 |
103,103
|
8,913
|
| 2022, current period gross write-offs |
0
|
0
|
| 2024 |
5,525
|
33,940
|
| 2021, current period gross write-offs |
28
|
0
|
| 2023 |
7,214
|
12,240
|
| 2020, current period gross write-offs |
23
|
0
|
| 2022 |
31,699
|
3,605
|
| 2019, current period gross write-offs |
0
|
0
|
| Prior |
11,832
|
5,363
|
| Prior, current period gross write-offs |
0
|
0
|
| Revolving Loans Amortized Cost Basis |
42,824
|
26,478
|
| Revolving Loans Amortized Cost Basis, current period gross write-offs |
0
|
0
|
| Revolving Loans Converted To Term |
1,871
|
2,256
|
| Revolving Loans Converted To Term, current period gross write-offs |
0
|
0
|
| Loans receivable |
241,401
|
224,439
|
| Total, current period gross write-offs |
51
|
0
|
| Commercial and industrial loans | Capital call lines | CCBX Loans |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
0
|
| 2023, current period gross write-offs |
0
|
0
|
| 2025 |
0
|
0
|
| 2022, current period gross write-offs |
0
|
0
|
| 2024 |
0
|
0
|
| 2021, current period gross write-offs |
0
|
0
|
| 2023 |
0
|
0
|
| 2020, current period gross write-offs |
0
|
0
|
| 2022 |
0
|
0
|
| 2019, current period gross write-offs |
0
|
0
|
| Prior |
0
|
0
|
| Prior, current period gross write-offs |
0
|
0
|
| Revolving Loans Amortized Cost Basis |
209,701
|
210,480
|
| Revolving Loans Amortized Cost Basis, current period gross write-offs |
0
|
0
|
| Revolving Loans Converted To Term |
0
|
0
|
| Revolving Loans Converted To Term, current period gross write-offs |
0
|
0
|
| Loans receivable |
209,701
|
210,480
|
| Total, current period gross write-offs |
0
|
0
|
| Commercial and industrial loans | CCBX Other Commercial and Industrial Loans | CCBX Loans |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
0
|
| 2023, current period gross write-offs |
0
|
0
|
| 2025 |
0
|
15
|
| 2022, current period gross write-offs |
0
|
18
|
| 2024 |
0
|
11,910
|
| 2021, current period gross write-offs |
0
|
5,164
|
| 2023 |
6,265
|
1,988
|
| 2020, current period gross write-offs |
1,747
|
817
|
| 2022 |
931
|
0
|
| 2019, current period gross write-offs |
282
|
4
|
| Prior |
0
|
2
|
| Prior, current period gross write-offs |
0
|
4
|
| Revolving Loans Amortized Cost Basis |
16,601
|
5,251
|
| Revolving Loans Amortized Cost Basis, current period gross write-offs |
898
|
816
|
| Revolving Loans Converted To Term |
0
|
0
|
| Revolving Loans Converted To Term, current period gross write-offs |
0
|
0
|
| Loans receivable |
23,797
|
19,166
|
| Total, current period gross write-offs |
2,927
|
6,823
|
| Real Estate Portfolio Segment | Residential real estate loans |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
7,653
|
29,962
|
| 2023, current period gross write-offs |
0
|
0
|
| 2025 |
14,938
|
24,678
|
| 2022, current period gross write-offs |
0
|
0
|
| 2024 |
11,057
|
35,497
|
| 2021, current period gross write-offs |
0
|
0
|
| 2023 |
23,402
|
34,525
|
| 2020, current period gross write-offs |
0
|
0
|
| 2022 |
22,457
|
23,262
|
| 2019, current period gross write-offs |
0
|
0
|
| Prior |
76,890
|
25,146
|
| Prior, current period gross write-offs |
0
|
13
|
| Revolving Loans Amortized Cost Basis |
35,180
|
28,809
|
| Revolving Loans Amortized Cost Basis, current period gross write-offs |
0
|
0
|
| Revolving Loans Converted To Term |
403
|
414
|
| Revolving Loans Converted To Term, current period gross write-offs |
0
|
0
|
| Loans receivable |
191,980
|
202,293
|
| Total, current period gross write-offs |
0
|
13
|
| Real Estate Portfolio Segment | Residential real estate loans | CCBX Loans |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
0
|
| 2023, current period gross write-offs |
0
|
0
|
| 2025 |
0
|
0
|
| 2022, current period gross write-offs |
0
|
0
|
| 2024 |
0
|
0
|
| 2021, current period gross write-offs |
0
|
0
|
| 2023 |
0
|
0
|
| 2020, current period gross write-offs |
0
|
0
|
| 2022 |
0
|
0
|
| 2019, current period gross write-offs |
0
|
0
|
| Prior |
0
|
0
|
| Prior, current period gross write-offs |
0
|
0
|
| Revolving Loans Amortized Cost Basis |
329,443
|
262,107
|
| Revolving Loans Amortized Cost Basis, current period gross write-offs |
3,285
|
4,923
|
| Revolving Loans Converted To Term |
1,466
|
1,952
|
| Revolving Loans Converted To Term, current period gross write-offs |
0
|
0
|
| Loans receivable |
330,909
|
264,059
|
| Total, current period gross write-offs |
3,285
|
4,923
|
| Consumer and other loans: |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
40
|
2,526
|
| 2023, current period gross write-offs |
11
|
29
|
| 2025 |
274
|
32
|
| 2022, current period gross write-offs |
0
|
15
|
| 2024 |
82
|
7,394
|
| 2021, current period gross write-offs |
0
|
0
|
| 2023 |
20
|
0
|
| 2020, current period gross write-offs |
0
|
0
|
| 2022 |
7,235
|
206
|
| 2019, current period gross write-offs |
0
|
0
|
| Prior |
2,884
|
2,710
|
| Prior, current period gross write-offs |
0
|
0
|
| Revolving Loans Amortized Cost Basis |
201
|
1,204
|
| Revolving Loans Amortized Cost Basis, current period gross write-offs |
0
|
0
|
| Revolving Loans Converted To Term |
0
|
0
|
| Revolving Loans Converted To Term, current period gross write-offs |
0
|
0
|
| Loans receivable |
10,736
|
14,072
|
| Total, current period gross write-offs |
11
|
44
|
| Consumer and other loans: | Credit cards | CCBX Loans |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
0
|
| 2023, current period gross write-offs |
0
|
0
|
| 2025 |
0
|
0
|
| 2022, current period gross write-offs |
0
|
0
|
| 2024 |
0
|
0
|
| 2021, current period gross write-offs |
0
|
0
|
| 2023 |
0
|
0
|
| 2020, current period gross write-offs |
0
|
0
|
| 2022 |
0
|
0
|
| 2019, current period gross write-offs |
0
|
0
|
| Prior |
0
|
0
|
| Prior, current period gross write-offs |
0
|
0
|
| Revolving Loans Amortized Cost Basis |
552,059
|
622,653
|
| Revolving Loans Amortized Cost Basis, current period gross write-offs |
75,972
|
109,468
|
| Revolving Loans Converted To Term |
19
|
28
|
| Revolving Loans Converted To Term, current period gross write-offs |
0
|
0
|
| Loans receivable |
552,078
|
622,681
|
| Total, current period gross write-offs |
75,972
|
109,468
|
| Consumer and other loans: | Other Consumer and Other Loans | CCBX Loans |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
543,010
|
395,346
|
| 2023, current period gross write-offs |
2,883
|
9,522
|
| 2025 |
183,597
|
172,598
|
| 2022, current period gross write-offs |
23,817
|
36,940
|
| 2024 |
92,212
|
78,468
|
| 2021, current period gross write-offs |
19,665
|
23,660
|
| 2023 |
42,207
|
22,922
|
| 2020, current period gross write-offs |
8,909
|
7,840
|
| 2022 |
12,367
|
1,000
|
| 2019, current period gross write-offs |
1,782
|
734
|
| Prior |
414
|
99
|
| Prior, current period gross write-offs |
207
|
2
|
| Revolving Loans Amortized Cost Basis |
217,242
|
21,275
|
| Revolving Loans Amortized Cost Basis, current period gross write-offs |
31,026
|
17,220
|
| Revolving Loans Converted To Term |
0
|
0
|
| Revolving Loans Converted To Term, current period gross write-offs |
0
|
0
|
| Loans receivable |
1,091,049
|
691,708
|
| Total, current period gross write-offs |
88,289
|
95,918
|
| Performing Financial Instruments | Total CCBX Loans | CCBX Loans |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
536,272
|
393,010
|
| 2025 |
179,143
|
168,743
|
| 2024 |
88,924
|
86,598
|
| 2023 |
47,179
|
24,007
|
| 2022 |
13,007
|
874
|
| Prior |
401
|
91
|
| Revolving Loans Amortized Cost Basis |
1,286,499
|
1,075,212
|
| Revolving Loans Converted To Term |
1,485
|
1,980
|
| Loans receivable |
2,152,910
|
1,750,515
|
| Performing Financial Instruments | Commercial and industrial loans | Capital call lines | CCBX Loans |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
0
|
| 2025 |
0
|
0
|
| 2024 |
0
|
0
|
| 2023 |
0
|
0
|
| 2022 |
0
|
0
|
| Prior |
0
|
0
|
| Revolving Loans Amortized Cost Basis |
209,701
|
210,480
|
| Revolving Loans Converted To Term |
0
|
0
|
| Loans receivable |
209,701
|
210,480
|
| Performing Financial Instruments | Commercial and industrial loans | CCBX Other Commercial and Industrial Loans | CCBX Loans |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
0
|
| 2025 |
0
|
15
|
| 2024 |
0
|
11,546
|
| 2023 |
6,061
|
1,903
|
| 2022 |
890
|
0
|
| Prior |
0
|
2
|
| Revolving Loans Amortized Cost Basis |
16,451
|
4,919
|
| Revolving Loans Converted To Term |
0
|
0
|
| Loans receivable |
23,402
|
18,385
|
| Performing Financial Instruments | Real Estate Portfolio Segment | Residential real estate loans | CCBX Loans |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
0
|
| 2025 |
0
|
0
|
| 2024 |
0
|
0
|
| 2023 |
0
|
0
|
| 2022 |
0
|
0
|
| Prior |
0
|
0
|
| Revolving Loans Amortized Cost Basis |
327,833
|
260,146
|
| Revolving Loans Converted To Term |
1,466
|
1,952
|
| Loans receivable |
329,299
|
262,098
|
| Performing Financial Instruments | Consumer and other loans: | Credit cards | CCBX Loans |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
0
|
| 2025 |
0
|
0
|
| 2024 |
0
|
0
|
| 2023 |
0
|
0
|
| 2022 |
0
|
0
|
| Prior |
0
|
0
|
| Revolving Loans Amortized Cost Basis |
516,362
|
578,684
|
| Revolving Loans Converted To Term |
19
|
28
|
| Loans receivable |
516,381
|
578,712
|
| Performing Financial Instruments | Consumer and other loans: | Other Consumer and Other Loans | CCBX Loans |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
536,272
|
393,010
|
| 2025 |
179,143
|
168,728
|
| 2024 |
88,924
|
75,052
|
| 2023 |
41,118
|
22,104
|
| 2022 |
12,117
|
874
|
| Prior |
401
|
89
|
| Revolving Loans Amortized Cost Basis |
216,152
|
20,983
|
| Revolving Loans Converted To Term |
0
|
0
|
| Loans receivable |
1,074,127
|
680,840
|
| Nonperforming Financial Instruments | Total CCBX Loans | CCBX Loans |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
6,738
|
2,336
|
| 2025 |
4,454
|
3,870
|
| 2024 |
3,288
|
3,780
|
| 2023 |
1,293
|
903
|
| 2022 |
291
|
126
|
| Prior |
13
|
10
|
| Revolving Loans Amortized Cost Basis |
38,547
|
46,554
|
| Revolving Loans Converted To Term |
0
|
0
|
| Loans receivable |
54,624
|
57,579
|
| Nonperforming Financial Instruments | Commercial and industrial loans | Capital call lines | CCBX Loans |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
0
|
| 2025 |
0
|
0
|
| 2024 |
0
|
0
|
| 2023 |
0
|
0
|
| 2022 |
0
|
0
|
| Prior |
0
|
0
|
| Revolving Loans Amortized Cost Basis |
0
|
0
|
| Revolving Loans Converted To Term |
0
|
0
|
| Loans receivable |
0
|
0
|
| Nonperforming Financial Instruments | Commercial and industrial loans | CCBX Other Commercial and Industrial Loans | CCBX Loans |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
0
|
| 2025 |
0
|
0
|
| 2024 |
0
|
364
|
| 2023 |
204
|
85
|
| 2022 |
41
|
0
|
| Prior |
0
|
0
|
| Revolving Loans Amortized Cost Basis |
150
|
332
|
| Revolving Loans Converted To Term |
0
|
0
|
| Loans receivable |
395
|
781
|
| Nonperforming Financial Instruments | Real Estate Portfolio Segment | Residential real estate loans | CCBX Loans |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
0
|
| 2025 |
0
|
0
|
| 2024 |
0
|
0
|
| 2023 |
0
|
0
|
| 2022 |
0
|
0
|
| Prior |
0
|
0
|
| Revolving Loans Amortized Cost Basis |
1,610
|
1,961
|
| Revolving Loans Converted To Term |
0
|
0
|
| Loans receivable |
1,610
|
1,961
|
| Nonperforming Financial Instruments | Consumer and other loans: | Credit cards | CCBX Loans |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
0
|
0
|
| 2025 |
0
|
0
|
| 2024 |
0
|
0
|
| 2023 |
0
|
0
|
| 2022 |
0
|
0
|
| Prior |
0
|
0
|
| Revolving Loans Amortized Cost Basis |
35,697
|
43,969
|
| Revolving Loans Converted To Term |
0
|
0
|
| Loans receivable |
35,697
|
43,969
|
| Nonperforming Financial Instruments | Consumer and other loans: | Other Consumer and Other Loans | CCBX Loans |
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
| 2026 |
6,738
|
2,336
|
| 2025 |
4,454
|
3,870
|
| 2024 |
3,288
|
3,416
|
| 2023 |
1,089
|
818
|
| 2022 |
250
|
126
|
| Prior |
13
|
10
|
| Revolving Loans Amortized Cost Basis |
1,090
|
292
|
| Revolving Loans Converted To Term |
0
|
0
|
| Loans receivable |
$ 16,922
|
$ 10,868
|