XML 57 R45.htm IDEA: XBRL DOCUMENT v3.25.2
Investment Securities Gross Unrealized Losses and Fair Values of Investments by Category and Length of Time in a Continuous Unrealized Loss Position (Details)
$ in Thousands
Jun. 30, 2025
USD ($)
Security
Dec. 31, 2024
USD ($)
Security
Schedule of Investments [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | Security 45 78
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months $ 499,951 $ 1,143,727
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss $ (7,694) $ (15,221)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | Security 587 600
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer $ 1,689,931 $ 1,776,769
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (314,440) (299,284)
Debt Securities, Available-for-sale, Unrealized Loss Position 2,189,882 2,920,496
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss $ (322,134) $ (314,505)
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | Security 2 7
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value $ 29,852 $ 155,726
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss $ (22) $ (1,754)
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | Security 180 180
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value $ 1,012,735 $ 1,008,973
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer (181,948) (210,368)
Debt Securities, Held-to-maturity, Unrealized Loss Position, Fair Value 1,042,587 1,164,699
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss $ (181,970) $ (212,122)
State and Municipal Securities [Member]    
Schedule of Investments [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | Security 19 22
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months $ 42,822 $ 53,026
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss $ (3,278) $ (1,692)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | Security 277 272
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer $ 729,795 $ 755,310
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (178,012) (143,754)
Debt Securities, Available-for-sale, Unrealized Loss Position 772,617 808,336
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss $ (181,290) $ (145,446)
Corporate Debt Securities [Member]    
Schedule of Investments [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | Security 3 1
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months $ 16,005 $ 4,844
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss $ (807) $ (13)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | Security 36 47
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer $ 217,965 $ 264,099
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (10,708) (14,421)
Debt Securities, Available-for-sale, Unrealized Loss Position 233,970 268,943
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss $ (11,515) $ (14,434)
Collateralized Mortgage Obligations [Member]    
Schedule of Investments [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | Security 3 12
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months $ 54,719 $ 288,871
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss $ (182) $ (3,463)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | Security 74 77
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer $ 80,403 $ 85,485
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (8,146) (10,438)
Debt Securities, Available-for-sale, Unrealized Loss Position 135,122 374,356
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss $ (8,328) $ (13,901)
Residential Mortgage Backed Securities [Member]    
Schedule of Investments [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | Security 19 42
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months $ 366,766 $ 777,695
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss $ (3,020) $ (9,178)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | Security 69 69
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer $ 172,436 $ 174,284
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (25,333) (30,823)
Debt Securities, Available-for-sale, Unrealized Loss Position 539,202 951,979
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss $ (28,353) $ (40,001)
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | Security 2 7
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value $ 29,852 $ 155,726
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss $ (22) $ (1,754)
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | Security 120 120
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value $ 289,431 $ 303,220
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer (51,049) (58,408)
Debt Securities, Held-to-maturity, Unrealized Loss Position, Fair Value 319,283 458,946
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss $ (51,071) $ (60,162)
Commercial Mortgage Backed Securities [Member]    
Schedule of Investments [Line Items]    
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | Security 1 1
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months $ 19,639 $ 19,291
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss $ (407) $ (875)
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | Security 131 135
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer $ 489,332 $ 497,591
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (92,241) (99,848)
Debt Securities, Available-for-sale, Unrealized Loss Position 508,971 516,882
Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss $ (92,648) $ (100,723)
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | Security 0 0
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value $ 0 $ 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss $ 0 $ 0
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | Security 60 60
Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value $ 723,304 $ 705,753
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer (130,899) (151,960)
Debt Securities, Held-to-maturity, Unrealized Loss Position, Fair Value 723,304 705,753
Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss $ (130,899) $ (151,960)