XML 54 R44.htm IDEA: XBRL DOCUMENT v3.24.2.u1
Investment Securities - Schedule of Investment Securities (Details) - USD ($)
Jun. 30, 2024
Dec. 31, 2023
Jun. 30, 2023
Available-for-sale securities      
Amortized Cost $ 4,906,690,000 $ 3,979,814,000 $ 4,018,851,000
Gross Unrealized Gains 1,393,000 3,525,000 102,000
Gross Unrealized Losses (578,126,000) (480,424,000) (526,472,000)
Fair Value 4,329,957,000 3,502,915,000 3,492,481,000
Held-to-maturity securities      
Amortized Cost 3,756,415,000 3,857,263,000 3,564,879,000
Gross Unrealized Gains 517,000 3,472,000 397,000
Gross Unrealized Losses (696,465,000) (645,267,000) (677,385,000)
Fair Value 3,060,467,000 3,215,468,000 2,887,891,000
Less: Allowance for credit losses (491,000) (347,000) (406,000)
Held-to-maturity securities, net of allowance for credit losses 3,755,924,000 3,856,916,000 3,564,473,000
Equity securities with readily determinable fair value      
Amortized Cost 117,674,000 143,312,000 120,629,000
Gross Unrealized Gains 2,882,000 3,500,000 3,711,000
Gross Unrealized Losses (8,383,000) (7,544,000) (8,065,000)
Fair Value 112,173,000 139,268,000 116,275,000
U.S. Treasury      
Available-for-sale securities      
Amortized Cost 102,721,000 6,960,000 0
Gross Unrealized Gains 5,000 8,000 0
Gross Unrealized Losses (14,000) 0 0
Fair Value 102,712,000 6,968,000 0
U.S. government agencies      
Available-for-sale securities      
Amortized Cost 50,000,000 50,000,000 80,000,000
Gross Unrealized Gains 0 0 0
Gross Unrealized Losses (4,808,000) (4,876,000) (5,725,000)
Fair Value 45,192,000 45,124,000 74,275,000
Held-to-maturity securities      
Amortized Cost 336,458,000 336,468,000 339,604,000
Gross Unrealized Gains 0 0 0
Gross Unrealized Losses (70,928,000) (67,058,000) (71,022,000)
Fair Value 265,530,000 269,410,000 268,582,000
Municipal      
Available-for-sale securities      
Amortized Cost 151,347,000 144,299,000 173,540,000
Gross Unrealized Gains 390,000 657,000 102,000
Gross Unrealized Losses (5,129,000) (3,998,000) (6,231,000)
Fair Value 146,608,000 140,958,000 167,411,000
Held-to-maturity securities      
Amortized Cost 166,400,000 172,933,000 176,128,000
Gross Unrealized Gains 155,000 565,000 362,000
Gross Unrealized Losses (6,789,000) (3,778,000) (4,502,000)
Fair Value 159,766,000 169,720,000 171,988,000
Corporate notes      
Held-to-maturity securities      
Amortized Cost 57,199,000 57,544,000 57,889,000
Gross Unrealized Gains 0 7,000 35,000
Gross Unrealized Losses (3,211,000) (3,480,000) (4,733,000)
Fair Value 53,988,000 54,071,000 53,191,000
Financial issuers      
Available-for-sale securities      
Amortized Cost 83,996,000 83,996,000 83,995,000
Gross Unrealized Gains 0 0 0
Gross Unrealized Losses (7,011,000) (8,456,000) (12,920,000)
Fair Value 76,985,000 75,540,000 71,075,000
Other      
Available-for-sale securities      
Amortized Cost 1,000,000 1,000,000 1,000,000
Gross Unrealized Gains 0 0 0
Gross Unrealized Losses (10,000) (9,000) (15,000)
Fair Value 990,000 991,000 985,000
Residential mortgage-backed securities      
Available-for-sale securities      
Amortized Cost 4,320,215,000 3,505,012,000 3,585,943,000
Gross Unrealized Gains 361,000 1,392,000 0
Gross Unrealized Losses (541,742,000) (446,784,000) (483,659,000)
Fair Value 3,778,834,000 3,059,620,000 3,102,284,000
Held-to-maturity securities      
Amortized Cost 2,962,721,000 3,042,828,000 2,832,138,000
Gross Unrealized Gains 0 1,922,000 0
Gross Unrealized Losses (591,601,000) (549,265,000) (574,114,000)
Fair Value 2,371,120,000 2,495,485,000 2,258,024,000
Commercial (multi-family) mortgage-backed securities      
Available-for-sale securities      
Amortized Cost 18,096,000 13,201,000  
Gross Unrealized Gains 8,000 68,000  
Gross Unrealized Losses (626,000) (289,000)  
Fair Value 17,478,000 12,980,000  
Held-to-maturity securities      
Amortized Cost 6,390,000 6,415,000  
Gross Unrealized Gains 0 0  
Gross Unrealized Losses (300,000) (184,000)  
Fair Value 6,090,000 6,231,000  
Collateralized mortgage obligations      
Available-for-sale securities      
Amortized Cost 179,315,000 175,346,000 94,373,000
Gross Unrealized Gains 629,000 1,400,000 0
Gross Unrealized Losses (18,786,000) (16,012,000) (17,922,000)
Fair Value 161,158,000 160,734,000 76,451,000
Held-to-maturity securities      
Amortized Cost 227,247,000 241,075,000 159,120,000
Gross Unrealized Gains 362,000 978,000 0
Gross Unrealized Losses (23,636,000) (21,502,000) (23,014,000)
Fair Value 203,973,000 220,551,000 136,106,000
Mortgage-backed securities, subprime      
Available-for-sale securities      
Fair Value $ 0 $ 0 $ 0