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, 2025 |
Sep. 30, 2024 |
Dec. 31, 2024 |
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
Loans receivable |
$ 3,540,330
|
|
$ 3,486,565
|
Total CCBX Loans | CCBX Loans |
|
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
2025 |
245,019
|
|
433,174
|
2023, current period gross write-offs |
5,315
|
$ 14,262
|
|
2024 |
270,884
|
|
184,676
|
2022, current period gross write-offs |
14,295
|
46,197
|
|
2023 |
129,649
|
|
53,102
|
2021, current period gross write-offs |
14,166
|
16,658
|
|
2022 |
36,344
|
|
2,639
|
2020, current period gross write-offs |
3,985
|
3,582
|
|
2021 |
1,388
|
|
59
|
2019, current period gross write-offs |
289
|
29
|
|
Prior |
152
|
|
207
|
Prior, current period gross write-offs |
39
|
282
|
|
Revolving Loans Amortized Cost Basis |
994,350
|
|
920,795
|
Revolving Loans Amortized Cost Basis, current period gross write-offs |
69,362
|
147,527
|
|
Revolving Loans Converted To Term |
3,063
|
|
9,367
|
Revolving Loans Converted To Term, current period gross write-offs |
0
|
|
0
|
Loans receivable |
1,680,849
|
|
1,604,019
|
Total, current period gross write-offs |
107,451
|
|
228,537
|
Commercial and industrial loans |
|
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
2025 |
39,212
|
|
12,016
|
2023, current period gross write-offs |
0
|
0
|
|
2024 |
10,037
|
|
11,672
|
2022, current period gross write-offs |
0
|
92
|
|
2023 |
41,508
|
|
43,490
|
2021, current period gross write-offs |
0
|
0
|
|
2022 |
13,333
|
|
13,177
|
2020, current period gross write-offs |
0
|
0
|
|
2021 |
5,151
|
|
8,109
|
2019, current period gross write-offs |
0
|
0
|
|
Prior |
5,841
|
|
7,634
|
Prior, current period gross write-offs |
0
|
167
|
|
Revolving Loans Amortized Cost Basis |
31,987
|
|
32,801
|
Revolving Loans Amortized Cost Basis, current period gross write-offs |
0
|
0
|
|
Revolving Loans Converted To Term |
2,857
|
|
21,496
|
Revolving Loans Converted To Term, current period gross write-offs |
0
|
|
0
|
Loans receivable |
149,926
|
|
150,395
|
Total, current period gross write-offs |
0
|
|
259
|
Commercial and industrial loans | Capital call lines | CCBX Loans |
|
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
2025 |
0
|
|
0
|
2023, current period gross write-offs |
0
|
0
|
|
2024 |
0
|
|
0
|
2022, current period gross write-offs |
0
|
0
|
|
2023 |
0
|
|
0
|
2021, current period gross write-offs |
0
|
0
|
|
2022 |
0
|
|
0
|
2020, current period gross write-offs |
0
|
0
|
|
2021 |
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 |
199,675
|
|
109,017
|
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 |
199,675
|
|
109,017
|
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] |
|
|
|
2025 |
0
|
|
1,049
|
2023, current period gross write-offs |
173
|
503
|
|
2024 |
258
|
|
23,830
|
2022, current period gross write-offs |
3
|
11,845
|
|
2023 |
17,279
|
|
4,093
|
2021, current period gross write-offs |
2,790
|
1,956
|
|
2022 |
2,829
|
|
5
|
2020, current period gross write-offs |
445
|
2
|
|
2021 |
0
|
|
12
|
2019, current period gross write-offs |
4
|
5
|
|
Prior |
6
|
|
0
|
Prior, current period gross write-offs |
4
|
0
|
|
Revolving Loans Amortized Cost Basis |
5,770
|
|
4,972
|
Revolving Loans Amortized Cost Basis, current period gross write-offs |
226
|
986
|
|
Revolving Loans Converted To Term |
0
|
|
0
|
Revolving Loans Converted To Term, current period gross write-offs |
0
|
|
0
|
Loans receivable |
26,142
|
|
33,961
|
Total, current period gross write-offs |
3,645
|
|
15,297
|
Real Estate Portfolio Segment | Residential real estate loans |
|
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
2025 |
15,318
|
|
15,475
|
2023, current period gross write-offs |
0
|
0
|
|
2024 |
28,398
|
|
30,332
|
2022, current period gross write-offs |
0
|
0
|
|
2023 |
36,027
|
|
38,660
|
2021, current period gross write-offs |
0
|
0
|
|
2022 |
37,915
|
|
37,834
|
2020, current period gross write-offs |
0
|
0
|
|
2021 |
24,061
|
|
25,844
|
2019, current period gross write-offs |
0
|
0
|
|
Prior |
25,907
|
|
27,159
|
Prior, current period gross write-offs |
0
|
0
|
|
Revolving Loans Amortized Cost Basis |
30,783
|
|
26,745
|
Revolving Loans Amortized Cost Basis, current period gross write-offs |
0
|
0
|
|
Revolving Loans Converted To Term |
435
|
|
15
|
Revolving Loans Converted To Term, current period gross write-offs |
0
|
|
0
|
Loans receivable |
198,844
|
|
202,064
|
Total, current period gross write-offs |
0
|
|
0
|
Real Estate Portfolio Segment | Residential real estate loans | CCBX Loans |
|
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
2025 |
0
|
|
0
|
2023, current period gross write-offs |
0
|
0
|
|
2024 |
0
|
|
0
|
2022, current period gross write-offs |
0
|
0
|
|
2023 |
0
|
|
0
|
2021, current period gross write-offs |
0
|
0
|
|
2022 |
0
|
|
0
|
2020, current period gross write-offs |
0
|
0
|
|
2021 |
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 |
231,758
|
|
258,387
|
Revolving Loans Amortized Cost Basis, current period gross write-offs |
3,157
|
5,006
|
|
Revolving Loans Converted To Term |
3,028
|
|
9,320
|
Revolving Loans Converted To Term, current period gross write-offs |
0
|
|
0
|
Loans receivable |
234,786
|
|
267,707
|
Total, current period gross write-offs |
3,157
|
|
5,006
|
Consumer and other loans: |
|
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
2025 |
212
|
|
1,447
|
2023, current period gross write-offs |
15
|
31
|
|
2024 |
40
|
|
53
|
2022, current period gross write-offs |
0
|
0
|
|
2023 |
8,254
|
|
8,269
|
2021, current period gross write-offs |
0
|
0
|
|
2022 |
0
|
|
2
|
2020, current period gross write-offs |
0
|
0
|
|
2021 |
218
|
|
249
|
2019, current period gross write-offs |
0
|
0
|
|
Prior |
3,325
|
|
3,337
|
Prior, current period gross write-offs |
0
|
0
|
|
Revolving Loans Amortized Cost Basis |
181
|
|
185
|
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 |
12,230
|
|
13,542
|
Total, current period gross write-offs |
15
|
|
31
|
Consumer and other loans: | Credit cards | CCBX Loans |
|
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
2025 |
0
|
|
0
|
2023, current period gross write-offs |
0
|
0
|
|
2024 |
0
|
|
0
|
2022, current period gross write-offs |
0
|
0
|
|
2023 |
0
|
|
0
|
2021, current period gross write-offs |
0
|
0
|
|
2022 |
0
|
|
0
|
2020, current period gross write-offs |
0
|
0
|
|
2021 |
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 |
533,890
|
|
528,507
|
Revolving Loans Amortized Cost Basis, current period gross write-offs |
57,731
|
130,825
|
|
Revolving Loans Converted To Term |
35
|
|
47
|
Revolving Loans Converted To Term, current period gross write-offs |
0
|
|
0
|
Loans receivable |
533,925
|
|
528,554
|
Total, current period gross write-offs |
57,731
|
|
130,825
|
Consumer and other loans: | Other Consumer and Other Loans | CCBX Loans |
|
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
2025 |
245,019
|
|
432,125
|
2023, current period gross write-offs |
5,142
|
13,759
|
|
2024 |
270,626
|
|
160,846
|
2022, current period gross write-offs |
14,292
|
34,352
|
|
2023 |
112,370
|
|
49,009
|
2021, current period gross write-offs |
11,376
|
14,702
|
|
2022 |
33,515
|
|
2,634
|
2020, current period gross write-offs |
3,540
|
3,580
|
|
2021 |
1,388
|
|
47
|
2019, current period gross write-offs |
285
|
24
|
|
Prior |
146
|
|
207
|
Prior, current period gross write-offs |
35
|
282
|
|
Revolving Loans Amortized Cost Basis |
23,257
|
|
19,912
|
Revolving Loans Amortized Cost Basis, current period gross write-offs |
8,248
|
$ 10,710
|
|
Revolving Loans Converted To Term |
0
|
|
0
|
Revolving Loans Converted To Term, current period gross write-offs |
0
|
|
0
|
Loans receivable |
686,321
|
|
664,780
|
Total, current period gross write-offs |
42,918
|
|
77,409
|
Performing Financial Instruments | Total CCBX Loans | CCBX Loans |
|
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
2025 |
244,711
|
|
431,447
|
2024 |
267,403
|
|
176,496
|
2023 |
123,947
|
|
48,919
|
2022 |
34,501
|
|
1,907
|
2021 |
1,191
|
|
59
|
Prior |
147
|
|
192
|
Revolving Loans Amortized Cost Basis |
948,861
|
|
873,076
|
Revolving Loans Converted To Term |
3,063
|
|
9,367
|
Loans receivable |
1,623,824
|
|
1,541,463
|
Performing Financial Instruments | Commercial and industrial loans | Capital call lines | CCBX Loans |
|
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
2025 |
0
|
|
0
|
2024 |
0
|
|
0
|
2023 |
0
|
|
0
|
2022 |
0
|
|
0
|
2021 |
0
|
|
0
|
Prior |
0
|
|
0
|
Revolving Loans Amortized Cost Basis |
199,675
|
|
109,017
|
Revolving Loans Converted To Term |
0
|
|
0
|
Loans receivable |
199,675
|
|
109,017
|
Performing Financial Instruments | Commercial and industrial loans | CCBX Other Commercial and Industrial Loans | CCBX Loans |
|
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
2025 |
0
|
|
1,049
|
2024 |
220
|
|
22,974
|
2023 |
16,563
|
|
3,952
|
2022 |
2,738
|
|
5
|
2021 |
0
|
|
12
|
Prior |
6
|
|
0
|
Revolving Loans Amortized Cost Basis |
5,501
|
|
4,729
|
Revolving Loans Converted To Term |
0
|
|
0
|
Loans receivable |
25,028
|
|
32,721
|
Performing Financial Instruments | Real Estate Portfolio Segment | Residential real estate loans | CCBX Loans |
|
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
2025 |
0
|
|
0
|
2024 |
0
|
|
0
|
2023 |
0
|
|
0
|
2022 |
0
|
|
0
|
2021 |
0
|
|
0
|
Prior |
0
|
|
0
|
Revolving Loans Amortized Cost Basis |
229,941
|
|
255,779
|
Revolving Loans Converted To Term |
3,028
|
|
9,320
|
Loans receivable |
232,969
|
|
265,099
|
Performing Financial Instruments | Consumer and other loans: | Credit cards | CCBX Loans |
|
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
2025 |
0
|
|
0
|
2024 |
0
|
|
0
|
2023 |
0
|
|
0
|
2022 |
0
|
|
0
|
2021 |
0
|
|
0
|
Prior |
0
|
|
0
|
Revolving Loans Amortized Cost Basis |
490,634
|
|
483,755
|
Revolving Loans Converted To Term |
35
|
|
47
|
Loans receivable |
490,669
|
|
483,802
|
Performing Financial Instruments | Consumer and other loans: | Other Consumer and Other Loans | CCBX Loans |
|
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
2025 |
244,711
|
|
430,398
|
2024 |
267,183
|
|
153,522
|
2023 |
107,384
|
|
44,967
|
2022 |
31,763
|
|
1,902
|
2021 |
1,191
|
|
47
|
Prior |
141
|
|
192
|
Revolving Loans Amortized Cost Basis |
23,110
|
|
19,796
|
Revolving Loans Converted To Term |
0
|
|
0
|
Loans receivable |
675,483
|
|
650,824
|
Nonperforming Financial Instruments | Total CCBX Loans | CCBX Loans |
|
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
2025 |
308
|
|
1,727
|
2024 |
3,481
|
|
8,180
|
2023 |
5,702
|
|
4,183
|
2022 |
1,843
|
|
732
|
2021 |
197
|
|
0
|
Prior |
5
|
|
15
|
Revolving Loans Amortized Cost Basis |
45,489
|
|
47,719
|
Revolving Loans Converted To Term |
0
|
|
0
|
Loans receivable |
57,025
|
|
62,556
|
Nonperforming Financial Instruments | Commercial and industrial loans | Capital call lines | CCBX Loans |
|
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
2025 |
0
|
|
0
|
2024 |
0
|
|
0
|
2023 |
0
|
|
0
|
2022 |
0
|
|
0
|
2021 |
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] |
|
|
|
2025 |
0
|
|
0
|
2024 |
38
|
|
856
|
2023 |
716
|
|
141
|
2022 |
91
|
|
0
|
2021 |
0
|
|
0
|
Prior |
0
|
|
0
|
Revolving Loans Amortized Cost Basis |
269
|
|
243
|
Revolving Loans Converted To Term |
0
|
|
0
|
Loans receivable |
1,114
|
|
1,240
|
Nonperforming Financial Instruments | Real Estate Portfolio Segment | Residential real estate loans | CCBX Loans |
|
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
2025 |
0
|
|
0
|
2024 |
0
|
|
0
|
2023 |
0
|
|
0
|
2022 |
0
|
|
0
|
2021 |
0
|
|
0
|
Prior |
0
|
|
0
|
Revolving Loans Amortized Cost Basis |
1,817
|
|
2,608
|
Revolving Loans Converted To Term |
0
|
|
0
|
Loans receivable |
1,817
|
|
2,608
|
Nonperforming Financial Instruments | Consumer and other loans: | Credit cards | CCBX Loans |
|
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
2025 |
0
|
|
0
|
2024 |
0
|
|
0
|
2023 |
0
|
|
0
|
2022 |
0
|
|
0
|
2021 |
0
|
|
0
|
Prior |
0
|
|
0
|
Revolving Loans Amortized Cost Basis |
43,256
|
|
44,752
|
Revolving Loans Converted To Term |
0
|
|
0
|
Loans receivable |
43,256
|
|
44,752
|
Nonperforming Financial Instruments | Consumer and other loans: | Other Consumer and Other Loans | CCBX Loans |
|
|
|
Financing Receivable, Credit Quality Indicator [Line Items] |
|
|
|
2025 |
308
|
|
1,727
|
2024 |
3,443
|
|
7,324
|
2023 |
4,986
|
|
4,042
|
2022 |
1,752
|
|
732
|
2021 |
197
|
|
0
|
Prior |
5
|
|
15
|
Revolving Loans Amortized Cost Basis |
147
|
|
116
|
Revolving Loans Converted To Term |
0
|
|
0
|
Loans receivable |
$ 10,838
|
|
$ 13,956
|