Investment (Held-to-Maturity) Securities (Details)
$ in Thousands |
3 Months Ended |
6 Months Ended |
12 Months Ended |
|
Jun. 30, 2025
USD ($)
|
Jun. 30, 2025
USD ($)
|
Dec. 31, 2024
USD ($)
|
| Schedule of Investment (Held-to-Maturity) Securities [Line Items] |
|
|
|
|
|
|
|
| Investment securities, net of allowance |
|
$ 1,997,316
|
|
$ 1,997,316
|
|
$ 2,136,029
|
|
| Investment Securities, Gross Carrying Value |
|
1,897,374
|
[1] |
1,897,374
|
[1] |
2,017,448
|
[2] |
| Investment securities, Allowance for Credit Loss |
|
(196)
|
[1] |
(196)
|
[1] |
(223)
|
[2] |
| Investment Securities, Amortized Cost, After Allowance for Credit Loss |
|
1,997,120
|
|
1,997,120
|
|
2,135,806
|
|
| Investment Securities, Carrying Value, after Allowance for Credit Loss |
|
1,897,178
|
[1] |
1,897,178
|
[1] |
2,017,225
|
[2] |
| Investment Securities, Fair Value |
|
1,750,435
|
|
1,750,435
|
|
1,817,929
|
|
| Investment Securities, Gross Unrealized Gain |
|
2,100
|
|
2,100
|
|
2,451
|
|
| Investment Securities, Gross Unrealized Loss |
|
$ (149,039)
|
|
(149,039)
|
|
(201,970)
|
|
| Debt Securities, Net Unrealized Loss Remaining in AOCI included in Carrying Value for AFS Securities Transferred to Investment Securities |
|
|
|
$ (100,000)
|
|
$ (119,000)
|
|
| Investment Securities, Continuous Unrealized Loss Position, Qualitative Disclosure [Abstract] |
|
|
|
|
|
|
|
| Investment Securities, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions |
|
130
|
|
130
|
|
141
|
|
| Investment Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] |
|
|
|
|
|
|
|
| Investment Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
|
$ 5,073
|
|
$ 5,073
|
|
$ 14,485
|
|
| Investment Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
|
1,657,097
|
|
1,657,097
|
|
1,711,624
|
|
| Investment Securities, Continuous Unrealized Loss Position, Fair Value |
|
1,662,170
|
|
1,662,170
|
|
1,726,109
|
|
| Investment Securities, Continuous Unrealized Loss Position, Aggregate Losses [Abstract] |
|
|
|
|
|
|
|
| Investment Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
|
9
|
|
9
|
|
65
|
|
| Investment Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
|
149,030
|
|
149,030
|
|
201,905
|
|
| Investment Securities, Continuous Unrealized Loss Position, Accumulated Loss |
|
149,039
|
|
149,039
|
|
201,970
|
|
| Fixed Maturity Securities [Member] |
|
|
|
|
|
|
|
| Investment Securities, Debt Maturities, Net Carrying Value [Abstract] |
|
|
|
|
|
|
|
| Investment Securities, Debt Maturities, Less than One Year, Net Carrying Value |
|
47,921
|
|
47,921
|
|
|
|
| Investment Securities, Debt Maturities, One to Five Years, Net Carrying Value |
|
61,217
|
|
61,217
|
|
|
|
| Investment Securities, Debt Maturities, Six to Ten Years, Net Carrying Value |
|
14,498
|
|
14,498
|
|
|
|
| Investment Securities, Debt Maturities, Over Ten Years, Net Carrying Value |
|
13
|
|
13
|
|
|
|
| Investment Securities, Debt Maturities, Single Maturity Date, Net Carrying Value |
|
123,649
|
|
123,649
|
|
|
|
| Investment Securities, Debt Maturities, Fair Value, Rolling Maturity [Abstract] |
|
|
|
|
|
|
|
| Investment Securities, Debt Maturities, Less Than One Year, Fair Value |
|
49,239
|
|
49,239
|
|
|
|
| Investment Securities, Debt Maturities, One to Five Years, Fair Value |
|
61,299
|
|
61,299
|
|
|
|
| Investment Securities, Debt Maturities, Six to Ten Years, Fair Value |
|
13,455
|
|
13,455
|
|
|
|
| Investment Securities, Debt Maturities, Over Ten Years, Fair Value |
|
13
|
|
13
|
|
|
|
| Investment Securities, Debt Maturities, Single Maturity Date, Fair Value |
|
$ 124,006
|
|
$ 124,006
|
|
|
|
| Investment Securities, Debt Maturities, Weighted Average Maturity |
[3] |
2.44
|
|
2.44
|
|
|
|
| Municipal securities [Member] |
|
|
|
|
|
|
|
| Schedule of Investment (Held-to-Maturity) Securities [Line Items] |
|
|
|
|
|
|
|
| Investment securities, net of allowance |
|
$ 91,243
|
|
$ 91,243
|
|
104,467
|
|
| Investment Securities, Gross Carrying Value |
|
91,243
|
[1] |
91,243
|
[1] |
104,467
|
[2] |
| Investment Securities, Fair Value |
|
93,080
|
|
93,080
|
|
106,489
|
|
| Investment Securities, Gross Unrealized Gain |
|
2,012
|
|
2,012
|
|
2,370
|
|
| Investment Securities, Gross Unrealized Loss |
|
$ (175)
|
|
$ (175)
|
|
$ (348)
|
|
| Investment Securities, Continuous Unrealized Loss Position, Qualitative Disclosure [Abstract] |
|
|
|
|
|
|
|
| Investment Securities, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions |
|
10
|
|
10
|
|
20
|
|
| Investment Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] |
|
|
|
|
|
|
|
| Investment Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
|
$ 5,073
|
|
$ 5,073
|
|
$ 14,485
|
|
| Investment Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
|
6,622
|
|
6,622
|
|
7,107
|
|
| Investment Securities, Continuous Unrealized Loss Position, Fair Value |
|
11,695
|
|
11,695
|
|
21,592
|
|
| Investment Securities, Continuous Unrealized Loss Position, Aggregate Losses [Abstract] |
|
|
|
|
|
|
|
| Investment Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
|
9
|
|
9
|
|
65
|
|
| Investment Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
|
166
|
|
166
|
|
283
|
|
| Investment Securities, Continuous Unrealized Loss Position, Accumulated Loss |
|
175
|
|
175
|
|
348
|
|
| Residential agency mortgage-backed securities [Member] |
|
|
|
|
|
|
|
| Schedule of Investment (Held-to-Maturity) Securities [Line Items] |
|
|
|
|
|
|
|
| Investment securities, net of allowance |
|
1,872,778
|
|
1,872,778
|
|
1,998,017
|
|
| Investment Securities, Gross Carrying Value |
|
1,773,725
|
[1] |
1,773,725
|
[1] |
1,880,473
|
[2] |
| Investment Securities, Fair Value |
|
1,626,429
|
|
1,626,429
|
|
1,680,800
|
|
| Investment Securities, Gross Unrealized Gain |
|
88
|
|
88
|
|
81
|
|
| Investment Securities, Gross Unrealized Loss |
|
(147,384)
|
|
(147,384)
|
|
$ (199,754)
|
|
| Investment Securities, Debt Maturities, Net Carrying Value [Abstract] |
|
|
|
|
|
|
|
| Investment Securities, Debt Maturities, without Single Maturity Date, Net Carrying Value |
[4] |
1,773,725
|
|
1,773,725
|
|
|
|
| Investment Securities, Debt Maturities, Fair Value, Rolling Maturity [Abstract] |
|
|
|
|
|
|
|
| Investment Securities, Debt Maturities, without Single Maturity Date, Fair Value |
|
$ 1,626,429
|
|
$ 1,626,429
|
|
|
|
| Investment Securities, Debt Maturities, Average Expected Life of Mortgage-backed Securities |
|
4 years 4 months 24 days
|
|
|
|
|
|
| Investment Securities, Continuous Unrealized Loss Position, Qualitative Disclosure [Abstract] |
|
|
|
|
|
|
|
| Investment Securities, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions |
|
116
|
|
116
|
|
116
|
|
| Investment Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] |
|
|
|
|
|
|
|
| Investment Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
|
$ 0
|
|
$ 0
|
|
$ 0
|
|
| Investment Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
|
1,625,562
|
|
1,625,562
|
|
1,679,889
|
|
| Investment Securities, Continuous Unrealized Loss Position, Fair Value |
|
1,625,562
|
|
1,625,562
|
|
1,679,889
|
|
| Investment Securities, Continuous Unrealized Loss Position, Aggregate Losses [Abstract] |
|
|
|
|
|
|
|
| Investment Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
|
0
|
|
0
|
|
0
|
|
| Investment Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
|
147,384
|
|
147,384
|
|
199,754
|
|
| Investment Securities, Continuous Unrealized Loss Position, Accumulated Loss |
|
147,384
|
|
147,384
|
|
199,754
|
|
| Commercial agency mortgage-backed securities [Member] |
|
|
|
|
|
|
|
| Schedule of Investment (Held-to-Maturity) Securities [Line Items] |
|
|
|
|
|
|
|
| Investment securities, net of allowance |
|
17,257
|
|
17,257
|
|
17,257
|
|
| Investment Securities, Gross Carrying Value |
|
16,368
|
[1] |
16,368
|
[1] |
16,220
|
[2] |
| Investment Securities, Fair Value |
|
15,878
|
|
15,878
|
|
15,357
|
|
| Investment Securities, Gross Unrealized Gain |
|
0
|
|
0
|
|
0
|
|
| Investment Securities, Gross Unrealized Loss |
|
$ (490)
|
|
$ (490)
|
|
$ (863)
|
|
| Investment Securities, Continuous Unrealized Loss Position, Qualitative Disclosure [Abstract] |
|
|
|
|
|
|
|
| Investment Securities, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions |
|
2
|
|
2
|
|
2
|
|
| Investment Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] |
|
|
|
|
|
|
|
| Investment Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
|
$ 0
|
|
$ 0
|
|
$ 0
|
|
| Investment Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
|
15,878
|
|
15,878
|
|
15,357
|
|
| Investment Securities, Continuous Unrealized Loss Position, Fair Value |
|
15,878
|
|
15,878
|
|
15,357
|
|
| Investment Securities, Continuous Unrealized Loss Position, Aggregate Losses [Abstract] |
|
|
|
|
|
|
|
| Investment Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
|
0
|
|
0
|
|
0
|
|
| Investment Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
|
490
|
|
490
|
|
863
|
|
| Investment Securities, Continuous Unrealized Loss Position, Accumulated Loss |
|
490
|
|
490
|
|
863
|
|
| Other debt securities [Member] |
|
|
|
|
|
|
|
| Schedule of Investment (Held-to-Maturity) Securities [Line Items] |
|
|
|
|
|
|
|
| Investment securities, net of allowance |
|
16,038
|
|
16,038
|
|
16,288
|
|
| Investment Securities, Gross Carrying Value |
|
16,038
|
[1] |
16,038
|
[1] |
16,288
|
[2] |
| Investment Securities, Fair Value |
|
15,048
|
|
15,048
|
|
15,283
|
|
| Investment Securities, Gross Unrealized Gain |
|
0
|
|
0
|
|
0
|
|
| Investment Securities, Gross Unrealized Loss |
|
$ (990)
|
|
$ (990)
|
|
$ (1,005)
|
|
| Investment Securities, Continuous Unrealized Loss Position, Qualitative Disclosure [Abstract] |
|
|
|
|
|
|
|
| Investment Securities, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions |
|
2
|
|
2
|
|
3
|
|
| Investment Securities, Continuous Unrealized Loss Position, Fair Value [Abstract] |
|
|
|
|
|
|
|
| Investment Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value |
|
$ 0
|
|
$ 0
|
|
$ 0
|
|
| Investment Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value |
|
9,035
|
|
9,035
|
|
9,271
|
|
| Investment Securities, Continuous Unrealized Loss Position, Fair Value |
|
9,035
|
|
9,035
|
|
9,271
|
|
| Investment Securities, Continuous Unrealized Loss Position, Aggregate Losses [Abstract] |
|
|
|
|
|
|
|
| Investment Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |
|
0
|
|
0
|
|
0
|
|
| Investment Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss |
|
990
|
|
990
|
|
1,005
|
|
| Investment Securities, Continuous Unrealized Loss Position, Accumulated Loss |
|
$ 990
|
|
$ 990
|
|
$ 1,005
|
|
|
|