Securities - Schedule of Fair Value Of Available For Sale Securities By Contractual Maturities (Details) - USD ($)
$ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
| AFS securities |
|
|
| Due in one year or less, Amortized Cost |
$ 155,077
|
$ 68,259
|
| Due in one year or less, Fair value |
154,509
|
68,386
|
| Due after one year to five years, Amortized Cost |
563,595
|
647,426
|
| Due after one year to five years, Fair value |
558,885
|
650,113
|
| Due after five to ten years, Amortized Cost |
109,967
|
123,396
|
| Due after five to ten years, Fair value |
103,893
|
117,130
|
| Due after ten years, Amortized Cost |
3,571,859
|
3,304,082
|
| Due after ten years, Fair value |
3,230,541
|
2,989,940
|
| Amortized Cost |
4,400,498
|
4,143,163
|
| Fair Value |
4,047,828
|
3,825,569
|
| HTM securities |
|
|
| Due in one year or less, Amortized Cost |
1,006
|
0
|
| Due in one year or less, Fair value |
1,008
|
0
|
| Due after one year to five years, Amortized Cost |
128,418
|
131,313
|
| Due after one year to five years, Fair value |
121,697
|
125,047
|
| Due after five to ten years, Amortized Cost |
101,334
|
90,756
|
| Due after five to ten years, Fair value |
96,932
|
86,519
|
| Due after ten years, Amortized Cost |
533,436
|
377,488
|
| Due after ten years, Fair value |
521,354
|
364,408
|
| Amortized Cost |
764,194
|
599,557
|
| Fair Value |
740,991
|
575,974
|
| Total |
|
|
| Due in one year or less, Amortized Cost |
156,083
|
68,259
|
| Due in one year or less, Fair value |
155,517
|
68,386
|
| Due after one year to five years, Amortized Cost |
692,013
|
778,739
|
| Due after one year to five years, Fair value |
680,582
|
775,160
|
| Due after five to ten years, Amortized Cost |
211,301
|
214,152
|
| Due after five to ten years, Fair value |
200,825
|
203,649
|
| Due after ten years, Amortized Cost |
4,105,295
|
3,681,570
|
| Due after ten years, Fair value |
3,751,895
|
3,354,348
|
| Amortized Cost |
5,164,692
|
4,742,720
|
| Fair Value |
4,788,819
|
4,401,543
|
| Government-sponsored residential mortgage-backed securities |
|
|
| AFS securities |
|
|
| Due in one year or less, Amortized Cost |
702
|
661
|
| Due in one year or less, Fair value |
698
|
657
|
| Due after one year to five years, Amortized Cost |
7,047
|
10,753
|
| Due after one year to five years, Fair value |
6,933
|
10,602
|
| Due after five to ten years, Amortized Cost |
19,708
|
22,179
|
| Due after five to ten years, Fair value |
18,467
|
21,006
|
| Due after ten years, Amortized Cost |
3,016,092
|
2,719,718
|
| Due after ten years, Fair value |
2,768,739
|
2,501,044
|
| Amortized Cost |
3,043,549
|
2,753,311
|
| Fair Value |
2,794,837
|
2,533,309
|
| HTM securities |
|
|
| Due in one year or less, Amortized Cost |
0
|
0
|
| Due in one year or less, Fair value |
0
|
0
|
| Due after one year to five years, Amortized Cost |
0
|
0
|
| Due after one year to five years, Fair value |
0
|
0
|
| Due after five to ten years, Amortized Cost |
0
|
0
|
| Due after five to ten years, Fair value |
0
|
0
|
| Due after ten years, Amortized Cost |
199,766
|
210,142
|
| Due after ten years, Fair value |
182,400
|
194,547
|
| Amortized Cost |
199,766
|
210,142
|
| Fair Value |
182,400
|
194,547
|
| Government-sponsored commercial mortgage-backed securities |
|
|
| AFS securities |
|
|
| Due in one year or less, Amortized Cost |
97,081
|
10,528
|
| Due in one year or less, Fair value |
96,503
|
10,368
|
| Due after one year to five years, Amortized Cost |
521,777
|
601,026
|
| Due after one year to five years, Fair value |
517,685
|
604,330
|
| Due after five to ten years, Amortized Cost |
36,120
|
48,278
|
| Due after five to ten years, Fair value |
32,156
|
43,673
|
| Due after ten years, Amortized Cost |
465,558
|
488,562
|
| Due after ten years, Fair value |
378,166
|
401,960
|
| Amortized Cost |
1,120,536
|
1,148,394
|
| Fair Value |
1,024,510
|
1,060,331
|
| HTM securities |
|
|
| Due in one year or less, Amortized Cost |
0
|
0
|
| Due in one year or less, Fair value |
0
|
0
|
| Due after one year to five years, Amortized Cost |
128,418
|
130,301
|
| Due after one year to five years, Fair value |
121,697
|
124,033
|
| Due after five to ten years, Amortized Cost |
53,264
|
54,884
|
| Due after five to ten years, Fair value |
47,362
|
49,551
|
| Due after ten years, Amortized Cost |
0
|
0
|
| Due after ten years, Fair value |
0
|
0
|
| Amortized Cost |
181,682
|
185,185
|
| Fair Value |
169,059
|
173,584
|
| U.S. Treasury securities |
|
|
| AFS securities |
|
|
| Due in one year or less, Amortized Cost |
50,015
|
50,030
|
| Due in one year or less, Fair value |
50,066
|
50,350
|
| Due after one year to five years, Amortized Cost |
0
|
0
|
| Due after one year to five years, Fair value |
0
|
0
|
| Due after five to ten years, Amortized Cost |
0
|
0
|
| Due after five to ten years, Fair value |
0
|
0
|
| Due after ten years, Amortized Cost |
0
|
0
|
| Due after ten years, Fair value |
0
|
0
|
| Amortized Cost |
50,015
|
50,030
|
| Fair Value |
50,066
|
50,350
|
| State and municipal bonds and obligations |
|
|
| AFS securities |
|
|
| Due in one year or less, Amortized Cost |
7,279
|
7,040
|
| Due in one year or less, Fair value |
7,242
|
7,011
|
| Due after one year to five years, Amortized Cost |
34,771
|
35,647
|
| Due after one year to five years, Fair value |
34,267
|
35,181
|
| Due after five to ten years, Amortized Cost |
54,139
|
52,939
|
| Due after five to ten years, Fair value |
53,270
|
52,451
|
| Due after ten years, Amortized Cost |
90,209
|
95,802
|
| Due after ten years, Fair value |
83,636
|
86,936
|
| Amortized Cost |
186,398
|
191,428
|
| Fair Value |
178,415
|
181,579
|
| HTM securities |
|
|
| Due in one year or less, Amortized Cost |
0
|
0
|
| Due in one year or less, Fair value |
0
|
0
|
| Due after one year to five years, Amortized Cost |
0
|
0
|
| Due after one year to five years, Fair value |
0
|
0
|
| Due after five to ten years, Amortized Cost |
1,190
|
0
|
| Due after five to ten years, Fair value |
1,262
|
0
|
| Due after ten years, Amortized Cost |
328,670
|
167,346
|
| Due after ten years, Fair value |
333,968
|
169,861
|
| Amortized Cost |
329,860
|
167,346
|
| Fair Value |
335,230
|
169,861
|
| Corporate bonds |
|
|
| HTM securities |
|
|
| Due in one year or less, Amortized Cost |
1,006
|
0
|
| Due in one year or less, Fair value |
1,008
|
0
|
| Due after one year to five years, Amortized Cost |
0
|
1,012
|
| Due after one year to five years, Fair value |
0
|
1,014
|
| Due after five to ten years, Amortized Cost |
46,880
|
35,872
|
| Due after five to ten years, Fair value |
48,308
|
36,968
|
| Due after ten years, Amortized Cost |
5,000
|
0
|
| Due after ten years, Fair value |
4,986
|
0
|
| Amortized Cost |
52,886
|
36,884
|
| Fair Value |
$ 54,302
|
$ 37,982
|