XML 78 R67.htm IDEA: XBRL DOCUMENT v3.25.4
Securities (Securities Held to Maturity with Unrealized Losses) (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Schedule of Held-to-maturity Securities [Line Items]    
Held to Maturity, Losses less than 12 months, Fair Value $ 98,559 $ 109,688
Held to Maturity, Losses less than 12 months, Gross Unrealized Losses 97 1,291
Held to Maturity, Losses 12 months or longer, Fair Value 1,808,602 2,100,656
Held to Maturity, Losses 12 months or longer, Gross Unrealized Losses 122,715 201,015
Held To Maturity Securities Unrealized Loss Position Fair Value, Total 1,907,161 2,210,344
Held to Maturity, Total, Gross Unrealized Losses 122,812 202,306
U.S. Treasury And Government Agency Securities [Member]    
Schedule of Held-to-maturity Securities [Line Items]    
Held to Maturity, Losses less than 12 months, Fair Value 0 27,660
Held to Maturity, Losses less than 12 months, Gross Unrealized Losses 0 840
Held to Maturity, Losses 12 months or longer, Fair Value 316,814 321,154
Held to Maturity, Losses 12 months or longer, Gross Unrealized Losses 30,143 45,036
Held To Maturity Securities Unrealized Loss Position Fair Value, Total 316,814 348,814
Held to Maturity, Total, Gross Unrealized Losses 30,143 45,876
Municipal Obligations [Member]    
Schedule of Held-to-maturity Securities [Line Items]    
Held to Maturity, Losses less than 12 months, Fair Value 98,559 82,028
Held to Maturity, Losses less than 12 months, Gross Unrealized Losses 97 451
Held to Maturity, Losses 12 months or longer, Fair Value 325,241 497,999
Held to Maturity, Losses 12 months or longer, Gross Unrealized Losses 11,358 20,416
Held To Maturity Securities Unrealized Loss Position Fair Value, Total 423,800 580,027
Held to Maturity, Total, Gross Unrealized Losses 11,455 20,867
Residential Mortgage-Backed Securities [Member]    
Schedule of Held-to-maturity Securities [Line Items]    
Held to Maturity, Losses less than 12 months, Fair Value 0 0
Held to Maturity, Losses less than 12 months, Gross Unrealized Losses 0 0
Held to Maturity, Losses 12 months or longer, Fair Value 463,099 511,531
Held to Maturity, Losses 12 months or longer, Gross Unrealized Losses 34,239 61,525
Held To Maturity Securities Unrealized Loss Position Fair Value, Total 463,099 511,531
Held to Maturity, Total, Gross Unrealized Losses 34,239 61,525
Commercial Mortgage-Backed Securities [Member]    
Schedule of Held-to-maturity Securities [Line Items]    
Held to Maturity, Losses less than 12 months, Fair Value 0 0
Held to Maturity, Losses less than 12 months, Gross Unrealized Losses 0 0
Held to Maturity, Losses 12 months or longer, Fair Value 684,874 745,750
Held to Maturity, Losses 12 months or longer, Gross Unrealized Losses 46,455 72,854
Held To Maturity Securities Unrealized Loss Position Fair Value, Total 684,874 745,750
Held to Maturity, Total, Gross Unrealized Losses 46,455 72,854
Collateralized Mortgage Obligations [Member]    
Schedule of Held-to-maturity Securities [Line Items]    
Held to Maturity, Losses less than 12 months, Fair Value 0 0
Held to Maturity, Losses less than 12 months, Gross Unrealized Losses 0 0
Held to Maturity, Losses 12 months or longer, Fair Value 18,574 24,222
Held to Maturity, Losses 12 months or longer, Gross Unrealized Losses 520 1,184
Held To Maturity Securities Unrealized Loss Position Fair Value, Total 18,574 24,222
Held to Maturity, Total, Gross Unrealized Losses $ 520 $ 1,184