v3.25.2
Note 3 - Investment Securities - Gross Unrealized Losses, Investment Securities Portfolio (Details)
$ in Thousands
Jun. 30, 2025
USD ($)
Dec. 31, 2024
USD ($)
Available for sale securities, less than 12 months, number of investment positions 28 22
Held to Maturity securities, less than 12 months, number of investment positions 21 47
Available for sale securities, less than 12 months, fair value $ 149,425 $ 66,670
Held to Maturity securities, less than 12 months, fair value 59,597 267,612
Available for sale securities, less than 12 months, unrealized loss (822) (692)
Held to Maturity securities, less than 12 months, unrealized loss $ (242) $ (4,308)
Available for sale securities, 12 months or longer, number of investment positions 314 332
Held to Maturity securities, 12 months or longer, number of investment positions 127 141
Available for sale securities, 12 months or longer, fair value $ 2,491,049 $ 2,653,765
Held to Maturity securities, 12 months or longer, fair value 521,651 530,005
Available for sale securities, 12 months or longer, unrealized loss (165,711) (238,759)
Held to Maturity securities, 12 months or longer, unrealized loss $ (17,672) $ (32,524)
Available for sale securities, total, number of investment positions 342 354
Held to Maturity securities, total, number of investment positions 148 188
Available for sale securities, total, fair value $ 2,640,474 $ 2,720,435
Held to Maturity securities, total, fair value 581,248 797,617
Available for sale securities, total, unrealized loss (166,533) (239,451)
Held to Maturity securities, total, unrealized loss $ (17,914) $ (36,832)
Agency Residential MBS [Member]    
Available for sale securities, less than 12 months, number of investment positions 9 12
Held to Maturity securities, less than 12 months, number of investment positions 0 0
Available for sale securities, less than 12 months, fair value $ 17,873 $ 18,030
Held to Maturity securities, less than 12 months, fair value 0 0
Available for sale securities, less than 12 months, unrealized loss (549) (471)
Held to Maturity securities, less than 12 months, unrealized loss $ 0 $ 0
Available for sale securities, 12 months or longer, number of investment positions 102 103
Held to Maturity securities, 12 months or longer, number of investment positions 69 80
Available for sale securities, 12 months or longer, fair value $ 177,288 $ 192,963
Held to Maturity securities, 12 months or longer, fair value 46,038 52,771
Available for sale securities, 12 months or longer, unrealized loss (12,372) (17,520)
Held to Maturity securities, 12 months or longer, unrealized loss $ (2,887) $ (4,218)
Available for sale securities, total, number of investment positions 111 115
Held to Maturity securities, total, number of investment positions 69 80
Available for sale securities, total, fair value $ 195,161 $ 210,993
Held to Maturity securities, total, fair value 46,038 52,771
Available for sale securities, total, unrealized loss (12,921) (17,991)
Held to Maturity securities, total, unrealized loss $ (2,887) $ (4,218)
US States and Political Subdivisions Debt Securities [Member]    
Available for sale securities, less than 12 months, number of investment positions 4 2
Held to Maturity securities, less than 12 months, number of investment positions 11 24
Available for sale securities, less than 12 months, fair value $ 4,649 $ 2,764
Held to Maturity securities, less than 12 months, fair value 8,534 15,822
Available for sale securities, less than 12 months, unrealized loss (15) (21)
Held to Maturity securities, less than 12 months, unrealized loss $ (8) $ (78)
Available for sale securities, 12 months or longer, number of investment positions 39 40
Held to Maturity securities, 12 months or longer, number of investment positions 24 26
Available for sale securities, 12 months or longer, fair value $ 49,443 $ 51,759
Held to Maturity securities, 12 months or longer, fair value 22,673 25,814
Available for sale securities, 12 months or longer, unrealized loss (1,145) (1,680)
Held to Maturity securities, 12 months or longer, unrealized loss $ (123) $ (299)
Available for sale securities, total, number of investment positions 43 42
Held to Maturity securities, total, number of investment positions 35 50
Available for sale securities, total, fair value $ 54,092 $ 54,523
Held to Maturity securities, total, fair value 31,207 41,636
Available for sale securities, total, unrealized loss (1,160) (1,701)
Held to Maturity securities, total, unrealized loss $ (131) $ (377)
Agency Commercial MBS [Member]    
Available for sale securities, less than 12 months, number of investment positions 6 2
Available for sale securities, less than 12 months, fair value $ 26,624 $ 6,966
Available for sale securities, less than 12 months, unrealized loss $ (65) $ (132)
Available for sale securities, 12 months or longer, number of investment positions 0 0
Available for sale securities, 12 months or longer, fair value $ 0 $ 0
Available for sale securities, 12 months or longer, unrealized loss $ 0 $ 0
Available for sale securities, total, number of investment positions 6 2
Available for sale securities, total, fair value $ 26,624 $ 6,966
Available for sale securities, total, unrealized loss $ (65) $ (132)
Corporate Debt Securities [Member]    
Available for sale securities, less than 12 months, number of investment positions 0 0
Held to Maturity securities, less than 12 months, number of investment positions 10 23
Available for sale securities, less than 12 months, fair value $ 0 $ 0
Held to Maturity securities, less than 12 months, fair value 51,063 251,790
Available for sale securities, less than 12 months, unrealized loss 0 0
Held to Maturity securities, less than 12 months, unrealized loss $ (234) $ (4,230)
Available for sale securities, 12 months or longer, number of investment positions 132 138
Held to Maturity securities, 12 months or longer, number of investment positions 34 35
Available for sale securities, 12 months or longer, fair value $ 1,792,021 $ 1,824,327
Held to Maturity securities, 12 months or longer, fair value 452,940 451,420
Available for sale securities, 12 months or longer, unrealized loss (139,558) (195,334)
Held to Maturity securities, 12 months or longer, unrealized loss $ (14,662) $ (28,007)
Available for sale securities, total, number of investment positions 132 138
Held to Maturity securities, total, number of investment positions 44 58
Available for sale securities, total, fair value $ 1,792,021 $ 1,824,327
Held to Maturity securities, total, fair value 504,003 703,210
Available for sale securities, total, unrealized loss (139,558) (195,334)
Held to Maturity securities, total, unrealized loss $ (14,896) $ (32,237)
US Government Agencies Debt Securities [Member]    
Available for sale securities, less than 12 months, number of investment positions 2 3
Available for sale securities, less than 12 months, fair value $ 6,512 $ 12,085
Available for sale securities, less than 12 months, unrealized loss $ (2) $ (53)
Available for sale securities, 12 months or longer, number of investment positions 19 19
Available for sale securities, 12 months or longer, fair value $ 285,159 $ 275,467
Available for sale securities, 12 months or longer, unrealized loss $ (10,539) $ (19,032)
Available for sale securities, total, number of investment positions 21 22
Available for sale securities, total, fair value $ 291,671 $ 287,552
Available for sale securities, total, unrealized loss $ (10,541) $ (19,085)
Collateralized Debt Obligations [Member]    
Available for sale securities, less than 12 months, number of investment positions 7 3
Available for sale securities, less than 12 months, fair value $ 93,767 $ 26,825
Available for sale securities, less than 12 months, unrealized loss $ (191) $ (15)
Available for sale securities, 12 months or longer, number of investment positions 22 32
Available for sale securities, 12 months or longer, fair value $ 187,138 $ 309,249
Available for sale securities, 12 months or longer, unrealized loss $ (2,097) $ (5,193)
Available for sale securities, total, number of investment positions 29 35
Available for sale securities, total, fair value $ 280,905 $ 336,074
Available for sale securities, total, unrealized loss $ (2,288) $ (5,208)