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v3.23.1

Securities - Continuous Unrealized Losses (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
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Schedule of Available-for-sale Debt Securities |  |
Available-for-sale debt securities, Less than 12 Months, Fair Value | $ 598,769 | $ 1,451,466
Available-for-sale debt securities, Gross Unrealized Loss, Less than 12 Months | (8,194) | (104,682)
Available-for-sale debt securities, 12 Months or More, Fair Value | 5,502,622 | 4,332,275
Available-for-sale debt securities, Gross Unrealized Loss, 12 Months or More | (763,660) | (740,048)
Available-for-sale debt securities fair value, Total | 6,101,391 | 5,783,741
Available-for-sale debt securities, Gross Unrealized Loss, Total | (771,854) | (844,730)
U.S. Treasury securities |  |
Schedule of Available-for-sale Debt Securities |  |
Available-for-sale debt securities, Less than 12 Months, Fair Value | 201,775 | 131,843
Available-for-sale debt securities, Gross Unrealized Loss, Less than 12 Months | (52) | (8,761)
Available-for-sale debt securities, 12 Months or More, Fair Value | 616,680 | 474,360
Available-for-sale debt securities, Gross Unrealized Loss, 12 Months or More | (59,618) | (61,342)
Available-for-sale debt securities fair value, Total | 818,455 | 606,203
Available-for-sale debt securities, Gross Unrealized Loss, Total | (59,670) | (70,103)
U.S. government agency and U.S. government-sponsored enterprise debt securities |  |
Schedule of Available-for-sale Debt Securities |  |
Available-for-sale debt securities, Less than 12 Months, Fair Value | 207,936 | 97,403
Available-for-sale debt securities, Gross Unrealized Loss, Less than 12 Months | (1,021) | (6,902)
Available-for-sale debt securities, 12 Months or More, Fair Value | 255,924 | 214,136
Available-for-sale debt securities, Gross Unrealized Loss, 12 Months or More | (50,758) | (49,364)
Available-for-sale debt securities fair value, Total | 463,860 | 311,539
Available-for-sale debt securities, Gross Unrealized Loss, Total | (51,779) | (56,266)
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities - Commercial mortgage-backed securities |  |
Schedule of Available-for-sale Debt Securities |  |
Available-for-sale debt securities, Less than 12 Months, Fair Value | 37,222 | 252,144
Available-for-sale debt securities, Gross Unrealized Loss, Less than 12 Months | (1,722) | (30,029)
Available-for-sale debt securities, 12 Months or More, Fair Value | 459,893 | 248,125
Available-for-sale debt securities, Gross Unrealized Loss, 12 Months or More | (65,308) | (47,094)
Available-for-sale debt securities fair value, Total | 497,115 | 500,269
Available-for-sale debt securities, Gross Unrealized Loss, Total | (67,030) | (77,123)
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities - Residential mortgage-backed securities |  |
Schedule of Available-for-sale Debt Securities |  |
Available-for-sale debt securities, Less than 12 Months, Fair Value | 23,200 | 307,536
Available-for-sale debt securities, Gross Unrealized Loss, Less than 12 Months | (721) | (20,346)
Available-for-sale debt securities, 12 Months or More, Fair Value | 1,741,855 | 1,448,658
Available-for-sale debt securities, Gross Unrealized Loss, 12 Months or More | (224,980) | (228,554)
Available-for-sale debt securities fair value, Total | 1,765,055 | 1,756,194
Available-for-sale debt securities, Gross Unrealized Loss, Total | (225,701) | (248,900)
Municipal securities |  |
Schedule of Available-for-sale Debt Securities |  |
Available-for-sale debt securities, Less than 12 Months, Fair Value | 2,053 | 95,655
Available-for-sale debt securities, Gross Unrealized Loss, Less than 12 Months | (24) | (10,194)
Available-for-sale debt securities, 12 Months or More, Fair Value | 256,240 | 159,439
Available-for-sale debt securities, Gross Unrealized Loss, 12 Months or More | (39,133) | (36,594)
Available-for-sale debt securities fair value, Total | 258,293 | 255,094
Available-for-sale debt securities, Gross Unrealized Loss, Total | (39,157) | (46,788)
Non-agency commercial mortgage-backed securities |  |
Schedule of Available-for-sale Debt Securities |  |
Available-for-sale debt securities, Less than 12 Months, Fair Value | 6,833 | 106,184
Available-for-sale debt securities, Gross Unrealized Loss, Less than 12 Months | (151) | (3,309)
Available-for-sale debt securities, 12 Months or More, Fair Value | 380,497 | 282,301
Available-for-sale debt securities, Gross Unrealized Loss, 12 Months or More | (45,078) | (46,087)
Available-for-sale debt securities fair value, Total | 387,330 | 388,485
Available-for-sale debt securities, Gross Unrealized Loss, Total | (45,229) | (49,396)
Non-agency residential mortgage-backed securities |  |
Schedule of Available-for-sale Debt Securities |  |
Available-for-sale debt securities, Less than 12 Months, Fair Value | 332 | 22,715
Available-for-sale debt securities, Gross Unrealized Loss, Less than 12 Months | (15) | (1,546)
Available-for-sale debt securities, 12 Months or More, Fair Value | 638,077 | 626,509
Available-for-sale debt securities, Gross Unrealized Loss, 12 Months or More | (105,553) | (111,432)
Available-for-sale debt securities fair value, Total | 638,409 | 649,224
Available-for-sale debt securities, Gross Unrealized Loss, Total | (105,568) | (112,978)
Corporate debt securities |  |
Schedule of Available-for-sale Debt Securities |  |
Available-for-sale debt securities, Less than 12 Months, Fair Value | 48,026 | 173,595
Available-for-sale debt securities, Gross Unrealized Loss, Less than 12 Months | (3,976) | (17,907)
Available-for-sale debt securities, 12 Months or More, Fair Value | 468,227 | 352,679
Available-for-sale debt securities, Gross Unrealized Loss, 12 Months or More | (143,273) | (129,321)
Available-for-sale debt securities fair value, Total | 516,253 | 526,274
Available-for-sale debt securities, Gross Unrealized Loss, Total | (147,249) | (147,228)
Foreign government bonds |  |
Schedule of Available-for-sale Debt Securities |  |
Available-for-sale debt securities, Less than 12 Months, Fair Value | 71,392 | 107,576
Available-for-sale debt securities, Gross Unrealized Loss, Less than 12 Months | (512) | (429)
Available-for-sale debt securities, 12 Months or More, Fair Value | 37,683 | 36,143
Available-for-sale debt securities, Gross Unrealized Loss, 12 Months or More | (12,317) | (13,857)
Available-for-sale debt securities fair value, Total | 109,075 | 143,719
Available-for-sale debt securities, Gross Unrealized Loss, Total | (12,829) | (14,286)
Asset-backed securities |  |
Schedule of Available-for-sale Debt Securities |  |
Available-for-sale debt securities, Less than 12 Months, Fair Value | 0 | 12,450
Available-for-sale debt securities, Gross Unrealized Loss, Less than 12 Months | 0 | (524)
Available-for-sale debt securities, 12 Months or More, Fair Value | 46,307 | 36,626
Available-for-sale debt securities, Gross Unrealized Loss, 12 Months or More | (1,631) | (1,552)
Available-for-sale debt securities fair value, Total | 46,307 | 49,076
Available-for-sale debt securities, Gross Unrealized Loss, Total | (1,631) | (2,076)
Collateralized loan obligations (“CLOs”) |  |
Schedule of Available-for-sale Debt Securities |  |
Available-for-sale debt securities, Less than 12 Months, Fair Value | 0 | 144,365
Available-for-sale debt securities, Gross Unrealized Loss, Less than 12 Months | 0 | (4,735)
Available-for-sale debt securities, 12 Months or More, Fair Value | 601,239 | 453,299
Available-for-sale debt securities, Gross Unrealized Loss, 12 Months or More | (16,011) | (14,851)
Available-for-sale debt securities fair value, Total | 601,239 | 597,664
Available-for-sale debt securities, Gross Unrealized Loss, Total | $ (16,011) | $ (19,586)

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