Loans and Allowance for Credit Losses - Summary of Amortized Cost of CCBX Loans (Details) - USD ($)
$ in Thousands |
6 Months Ended |
9 Months Ended |
|
Jun. 30, 2026 |
Sep. 30, 2025 |
Dec. 31, 2025 |
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
| Loans receivable |
$ 4,208,270
|
|
$ 3,749,531
|
| Total CCBX Loans | CCBX Loans |
|
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
| 2026 |
378,007
|
|
395,346
|
| 2023, current period gross write-offs |
1,061
|
$ 9,522
|
|
| 2025 |
230,659
|
|
172,613
|
| 2022, current period gross write-offs |
16,735
|
36,958
|
|
| 2024 |
113,712
|
|
90,378
|
| 2021, current period gross write-offs |
14,318
|
28,824
|
|
| 2023 |
59,985
|
|
24,910
|
| 2020, current period gross write-offs |
8,296
|
8,657
|
|
| 2022 |
16,392
|
|
1,000
|
| 2019, current period gross write-offs |
1,579
|
738
|
|
| Prior |
625
|
|
101
|
| Prior, current period gross write-offs |
149
|
6
|
|
| Revolving Loans Amortized Cost Basis |
1,425,373
|
|
1,121,766
|
| Revolving Loans Amortized Cost Basis, current period gross write-offs |
70,545
|
132,427
|
|
| Revolving Loans Converted To Term |
1,543
|
|
1,980
|
| Revolving Loans Converted To Term, current period gross write-offs |
0
|
|
0
|
| Loans receivable |
2,226,296
|
|
1,808,094
|
| Total, current period gross write-offs |
112,683
|
|
217,132
|
| Commercial and industrial loans |
|
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
| 2026 |
28,039
|
|
131,644
|
| 2023, current period gross write-offs |
0
|
0
|
|
| 2025 |
112,319
|
|
8,913
|
| 2022, current period gross write-offs |
0
|
0
|
|
| 2024 |
5,980
|
|
33,940
|
| 2021, current period gross write-offs |
28
|
0
|
|
| 2023 |
7,719
|
|
12,240
|
| 2020, current period gross write-offs |
23
|
0
|
|
| 2022 |
32,240
|
|
3,605
|
| 2019, current period gross write-offs |
0
|
0
|
|
| Prior |
17,296
|
|
5,363
|
| Prior, current period gross write-offs |
0
|
0
|
|
| Revolving Loans Amortized Cost Basis |
31,872
|
|
26,478
|
| Revolving Loans Amortized Cost Basis, current period gross write-offs |
0
|
0
|
|
| Revolving Loans Converted To Term |
1,711
|
|
2,256
|
| Revolving Loans Converted To Term, current period gross write-offs |
0
|
|
0
|
| Loans receivable |
237,176
|
|
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 |
204,835
|
|
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 |
204,835
|
|
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 |
7,918
|
|
1,988
|
| 2020, current period gross write-offs |
1,372
|
817
|
|
| 2022 |
1,214
|
|
0
|
| 2019, current period gross write-offs |
213
|
4
|
|
| Prior |
1
|
|
2
|
| Prior, current period gross write-offs |
0
|
4
|
|
| Revolving Loans Amortized Cost Basis |
15,505
|
|
5,251
|
| Revolving Loans Amortized Cost Basis, current period gross write-offs |
520
|
816
|
|
| Revolving Loans Converted To Term |
0
|
|
0
|
| Revolving Loans Converted To Term, current period gross write-offs |
0
|
|
0
|
| Loans receivable |
24,638
|
|
19,166
|
| Total, current period gross write-offs |
2,105
|
|
6,823
|
| Real Estate Portfolio Segment | Residential real estate loans |
|
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
| 2026 |
4,225
|
|
29,962
|
| 2023, current period gross write-offs |
0
|
0
|
|
| 2025 |
16,396
|
|
24,678
|
| 2022, current period gross write-offs |
0
|
0
|
|
| 2024 |
11,282
|
|
35,497
|
| 2021, current period gross write-offs |
0
|
0
|
|
| 2023 |
23,648
|
|
34,525
|
| 2020, current period gross write-offs |
0
|
0
|
|
| 2022 |
27,806
|
|
23,262
|
| 2019, current period gross write-offs |
0
|
0
|
|
| Prior |
79,081
|
|
25,146
|
| Prior, current period gross write-offs |
0
|
13
|
|
| Revolving Loans Amortized Cost Basis |
36,686
|
|
28,809
|
| Revolving Loans Amortized Cost Basis, current period gross write-offs |
0
|
0
|
|
| Revolving Loans Converted To Term |
406
|
|
414
|
| Revolving Loans Converted To Term, current period gross write-offs |
0
|
|
0
|
| Loans receivable |
199,530
|
|
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 |
323,352
|
|
262,107
|
| Revolving Loans Amortized Cost Basis, current period gross write-offs |
2,217
|
4,923
|
|
| Revolving Loans Converted To Term |
1,521
|
|
1,952
|
| Revolving Loans Converted To Term, current period gross write-offs |
0
|
|
0
|
| Loans receivable |
324,873
|
|
264,059
|
| Total, current period gross write-offs |
2,217
|
|
4,923
|
| Consumer and other loans: |
|
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
| 2026 |
28
|
|
2,526
|
| 2023, current period gross write-offs |
7
|
29
|
|
| 2025 |
278
|
|
32
|
| 2022, current period gross write-offs |
0
|
15
|
|
| 2024 |
86
|
|
7,394
|
| 2021, current period gross write-offs |
0
|
0
|
|
| 2023 |
24
|
|
0
|
| 2020, current period gross write-offs |
0
|
0
|
|
| 2022 |
7,239
|
|
206
|
| 2019, current period gross write-offs |
0
|
0
|
|
| Prior |
2,895
|
|
2,710
|
| Prior, current period gross write-offs |
0
|
0
|
|
| Revolving Loans Amortized Cost Basis |
210
|
|
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 |
10,760
|
|
14,072
|
| Total, current period gross write-offs |
7
|
|
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 |
753,149
|
|
622,653
|
| Revolving Loans Amortized Cost Basis, current period gross write-offs |
52,538
|
109,468
|
|
| Revolving Loans Converted To Term |
22
|
|
28
|
| Revolving Loans Converted To Term, current period gross write-offs |
0
|
|
0
|
| Loans receivable |
753,171
|
|
622,681
|
| Total, current period gross write-offs |
52,538
|
|
109,468
|
| Consumer and other loans: | Other Consumer and Other Loans | CCBX Loans |
|
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
| 2026 |
378,007
|
|
395,346
|
| 2023, current period gross write-offs |
1,061
|
9,522
|
|
| 2025 |
230,659
|
|
172,598
|
| 2022, current period gross write-offs |
16,735
|
36,940
|
|
| 2024 |
113,712
|
|
78,468
|
| 2021, current period gross write-offs |
14,318
|
23,660
|
|
| 2023 |
52,067
|
|
22,922
|
| 2020, current period gross write-offs |
6,924
|
7,840
|
|
| 2022 |
15,178
|
|
1,000
|
| 2019, current period gross write-offs |
1,366
|
734
|
|
| Prior |
624
|
|
99
|
| Prior, current period gross write-offs |
149
|
2
|
|
| Revolving Loans Amortized Cost Basis |
128,532
|
|
21,275
|
| Revolving Loans Amortized Cost Basis, current period gross write-offs |
15,270
|
$ 17,220
|
|
| Revolving Loans Converted To Term |
0
|
|
0
|
| Revolving Loans Converted To Term, current period gross write-offs |
0
|
|
0
|
| Loans receivable |
918,779
|
|
691,708
|
| Total, current period gross write-offs |
55,823
|
|
95,918
|
| Performing Financial Instruments | Total CCBX Loans | CCBX Loans |
|
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
| 2026 |
374,985
|
|
393,010
|
| 2025 |
226,658
|
|
168,743
|
| 2024 |
110,076
|
|
86,598
|
| 2023 |
58,254
|
|
24,007
|
| 2022 |
16,110
|
|
874
|
| Prior |
590
|
|
91
|
| Revolving Loans Amortized Cost Basis |
1,369,114
|
|
1,075,212
|
| Revolving Loans Converted To Term |
1,543
|
|
1,980
|
| Loans receivable |
2,157,330
|
|
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 |
204,835
|
|
210,480
|
| Revolving Loans Converted To Term |
0
|
|
0
|
| Loans receivable |
204,835
|
|
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 |
7,696
|
|
1,903
|
| 2022 |
1,174
|
|
0
|
| Prior |
1
|
|
2
|
| Revolving Loans Amortized Cost Basis |
15,195
|
|
4,919
|
| Revolving Loans Converted To Term |
0
|
|
0
|
| Loans receivable |
24,066
|
|
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 |
321,906
|
|
260,146
|
| Revolving Loans Converted To Term |
1,521
|
|
1,952
|
| Loans receivable |
323,427
|
|
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 |
699,402
|
|
578,684
|
| Revolving Loans Converted To Term |
22
|
|
28
|
| Loans receivable |
699,424
|
|
578,712
|
| Performing Financial Instruments | Consumer and other loans: | Other Consumer and Other Loans | CCBX Loans |
|
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
| 2026 |
374,985
|
|
393,010
|
| 2025 |
226,658
|
|
168,728
|
| 2024 |
110,076
|
|
75,052
|
| 2023 |
50,558
|
|
22,104
|
| 2022 |
14,936
|
|
874
|
| Prior |
589
|
|
89
|
| Revolving Loans Amortized Cost Basis |
127,776
|
|
20,983
|
| Revolving Loans Converted To Term |
0
|
|
0
|
| Loans receivable |
905,578
|
|
680,840
|
| Nonperforming Financial Instruments | Total CCBX Loans | CCBX Loans |
|
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
| 2026 |
3,022
|
|
2,336
|
| 2025 |
4,001
|
|
3,870
|
| 2024 |
3,636
|
|
3,780
|
| 2023 |
1,731
|
|
903
|
| 2022 |
282
|
|
126
|
| Prior |
35
|
|
10
|
| Revolving Loans Amortized Cost Basis |
56,259
|
|
46,554
|
| Revolving Loans Converted To Term |
0
|
|
0
|
| Loans receivable |
68,966
|
|
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 |
222
|
|
85
|
| 2022 |
40
|
|
0
|
| Prior |
0
|
|
0
|
| Revolving Loans Amortized Cost Basis |
310
|
|
332
|
| Revolving Loans Converted To Term |
0
|
|
0
|
| Loans receivable |
572
|
|
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 |
1,446
|
|
1,961
|
| Revolving Loans Converted To Term |
0
|
|
0
|
| Loans receivable |
1,446
|
|
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 |
53,747
|
|
43,969
|
| Revolving Loans Converted To Term |
0
|
|
0
|
| Loans receivable |
53,747
|
|
43,969
|
| Nonperforming Financial Instruments | Consumer and other loans: | Other Consumer and Other Loans | CCBX Loans |
|
|
|
| Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
| 2026 |
3,022
|
|
2,336
|
| 2025 |
4,001
|
|
3,870
|
| 2024 |
3,636
|
|
3,416
|
| 2023 |
1,509
|
|
818
|
| 2022 |
242
|
|
126
|
| Prior |
35
|
|
10
|
| Revolving Loans Amortized Cost Basis |
756
|
|
292
|
| Revolving Loans Converted To Term |
0
|
|
0
|
| Loans receivable |
$ 13,201
|
|
$ 10,868
|