XML 78 R35.htm IDEA: XBRL DOCUMENT v3.25.2
Investment Securities (Schedule of the Aggregate Fair Value and Amount by which Amortized Cost Exceeds Fair Value for Investment Securities that are in Unrealized Loss Positions) (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Debt Securities, Available-for-sale [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months $ 1,657,440 $ 1,622,289
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 7,569 11,807
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 4,093,369 5,115,305
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 339,624 402,194
Debt Securities, Available-for-sale, Unrealized Loss Position 5,750,809 6,737,594
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss 347,193 414,001
U.S. Treasury securities    
Debt Securities, Available-for-sale [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 53,724 126,710
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 1,442 3,195
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 42,776 40,791
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 6,862 8,814
Debt Securities, Available-for-sale, Unrealized Loss Position 96,500 167,501
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss 8,304 12,009
U.S. Government agency and sponsored enterprise residential MBS    
Debt Securities, Available-for-sale [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 334,189 895,759
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 2,077 5,474
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 711,375 936,106
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 17,191 20,997
Debt Securities, Available-for-sale, Unrealized Loss Position 1,045,564 1,831,865
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss 19,268 26,471
U.S. Government agency and sponsored enterprise commercial MBS    
Debt Securities, Available-for-sale [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 37,967 55,431
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 376 1,545
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 401,394 394,735
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 48,151 60,347
Debt Securities, Available-for-sale, Unrealized Loss Position 439,361 450,166
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss 48,527 61,892
Private label residential MBS and CMOs    
Debt Securities, Available-for-sale [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 201,978 147,700
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 1,503 954
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 1,967,841 2,040,335
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 225,004 252,539
Debt Securities, Available-for-sale, Unrealized Loss Position 2,169,819 2,188,035
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss 226,507 253,493
Private label commercial MBS    
Debt Securities, Available-for-sale [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 440,202 44,000
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 1,056 302
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 633,038 1,199,150
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 26,621 40,386
Debt Securities, Available-for-sale, Unrealized Loss Position 1,073,240 1,243,150
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss 27,677 40,688
Single family real estate-backed securities    
Debt Securities, Available-for-sale [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 0 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 0 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 156,151 301,973
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 4,193 8,074
Debt Securities, Available-for-sale, Unrealized Loss Position 156,151 301,973
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss 4,193 8,074
Collateralized loan obligations    
Debt Securities, Available-for-sale [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 573,567 336,924
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 1,043 189
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 0 7,726
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 0 4
Debt Securities, Available-for-sale, Unrealized Loss Position 573,567 344,650
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss 1,043 193
Non-mortgage asset-backed securities    
Debt Securities, Available-for-sale [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 0 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 0 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 68,714 71,789
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 1,699 2,555
Debt Securities, Available-for-sale, Unrealized Loss Position 68,714 71,789
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss 1,699 2,555
State and municipal obligations    
Debt Securities, Available-for-sale [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 15,813 15,765
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 72 148
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 51,218 54,820
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 8,002 6,243
Debt Securities, Available-for-sale, Unrealized Loss Position 67,031 70,585
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss 8,074 6,391
SBA securities    
Debt Securities, Available-for-sale [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 0 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months 0 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer 60,862 67,880
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 1,901 2,235
Debt Securities, Available-for-sale, Unrealized Loss Position 60,862 67,880
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss $ 1,901 $ 2,235