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v3.23.1

Securities (Tables) | 3 Months Ended
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Mar. 31, 2023
Investments, Debt and Equity Securities [Abstract] |
Debt Securities | The following tables present the amortized cost, gross unrealized gains and losses and fair value by major categories of AFS and HTM debt securities as of March 31, 2023 and December 31, 2022:
|  | March 31, 2023
($ in thousands) |  | Amortized Cost |  |  |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
AFS debt securities: |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | $ | 976,615 |  |  |  |  | $ | 37 |  |  | $ | (59,670) |  |  | $ | 916,982 |
U.S. government agency and U.S. government-sponsored enterprise debt securities |  | 515,639 |  |  |  |  | — |  |  | (51,779) |  |  | 463,860 |
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities: |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 564,145 |  |  |  |  | — |  |  | (67,030) |  |  | 497,115 |
Residential mortgage-backed securities |  | 1,997,737 |  |  |  |  | 46 |  |  | (225,701) |  |  | 1,772,082 |
Municipal securities |  | 305,125 |  |  |  |  | 47 |  |  | (39,157) |  |  | 266,015 |
Non-agency mortgage-backed securities: |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 441,795 |  |  |  |  | 157 |  |  | (45,229) |  |  | 396,723 |
Residential mortgage-backed securities |  | 743,977 |  |  |  |  | — |  |  | (105,568) |  |  | 638,409 |
Corporate debt securities |  | 663,502 |  |  |  |  | — |  |  | (147,249) |  |  | 516,253 |
Foreign government bonds |  | 198,517 |  |  |  |  | 195 |  |  | (12,829) |  |  | 185,883 |
Asset-backed securities |  | 47,938 |  |  |  |  | — |  |  | (1,631) |  |  | 46,307 |
CLOs |  | 617,250 |  |  |  |  | — |  |  | (16,011) |  |  | 601,239 |
Total AFS debt securities |  | 7,072,240 |  |  |  |  | 482 |  |  | (771,854) |  |  | 6,300,868 |
HTM debt securities: |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | 525,432 |  |  |  |  | — |  |  | (43,821) |  |  | 481,611 |
U.S. government agency and U.S. government-sponsored enterprise debt securities |  | 999,855 |  |  |  |  | — |  |  | (193,514) |  |  | 806,341 |
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities: |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 505,492 |  |  |  |  | — |  |  | (83,532) |  |  | 421,960 |
Residential mortgage-backed securities |  | 773,135 |  |  |  |  | — |  |  | (134,969) |  |  | 638,166 |
Municipal securities |  | 189,507 |  |  |  |  | — |  |  | (34,911) |  |  | 154,596 |
Total HTM debt securities |  | 2,993,421 |  |  |  |  | — |  |  | (490,747) |  |  | 2,502,674 |
Total debt securities |  | $ | 10,065,661 |  |  |  |  | $ | 482 |  |  | $ | (1,262,601) |  |  | $ | 8,803,542 |
|  | December 31, 2022
($ in thousands) |  | Amortized Cost |  |  |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
AFS debt securities: |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | $ | 676,306 |  |  |  |  | $ | — |  |  | $ | (70,103) |  |  | $ | 606,203 |
U.S. government agency and U.S. government-sponsored enterprise debt securities |  | 517,806 |  |  |  |  | 67 |  |  | (56,266) |  |  | 461,607 |
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities: |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 577,392 |  |  |  |  | — |  |  | (77,123) |  |  | 500,269 |
Residential mortgage-backed securities |  | 2,011,054 |  |  |  |  | 41 |  |  | (248,900) |  |  | 1,762,195 |
Municipal securities |  | 303,884 |  |  |  |  | 3 |  |  | (46,788) |  |  | 257,099 |
Non-agency mortgage-backed securities: |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 447,512 |  |  |  |  | 213 |  |  | (49,396) |  |  | 398,329 |
Residential mortgage-backed securities |  | 762,202 |  |  |  |  | — |  |  | (112,978) |  |  | 649,224 |
Corporate debt securities |  | 673,502 |  |  |  |  | — |  |  | (147,228) |  |  | 526,274 |
Foreign government bonds |  | 241,165 |  |  |  |  | 174 |  |  | (14,286) |  |  | 227,053 |
Asset-backed securities |  | 51,152 |  |  |  |  | — |  |  | (2,076) |  |  | 49,076 |
CLOs |  | 617,250 |  |  |  |  | — |  |  | (19,586) |  |  | 597,664 |
Total AFS debt securities |  | 6,879,225 |  |  |  |  | 498 |  |  | (844,730) |  |  | 6,034,993 |
HTM debt securities: |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | $ | 524,081 |  |  |  |  | $ | — |  |  | $ | (52,612) |  |  | 471,469 |
U.S. government agency and U.S. government-sponsored enterprise debt securities |  | 998,972 |  |  |  |  | — |  |  | (209,560) |  |  | 789,412 |
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities: |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 506,965 |  |  |  |  | — |  |  | (98,566) |  |  | 408,399 |
Residential mortgage-backed securities |  | 782,141 |  |  |  |  | — |  |  | (148,230) |  |  | 633,911 |
Municipal securities |  | 189,709 |  |  |  |  | — |  |  | (37,729) |  |  | 151,980 |
Total HTM debt securities |  | 3,001,868 |  |  |  |  | — |  |  | (546,697) |  |  | 2,455,171 |
Total debt securities |  | $ | 9,881,093 |  |  |  |  | $ | 498 |  |  | $ | (1,391,427) |  |  | $ | 8,490,164 |
Debt Securities | The following tables present the amortized cost, gross unrealized gains and losses and fair value by major categories of AFS and HTM debt securities as of March 31, 2023 and December 31, 2022:
|  | March 31, 2023
($ in thousands) |  | Amortized Cost |  |  |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
AFS debt securities: |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | $ | 976,615 |  |  |  |  | $ | 37 |  |  | $ | (59,670) |  |  | $ | 916,982 |
U.S. government agency and U.S. government-sponsored enterprise debt securities |  | 515,639 |  |  |  |  | — |  |  | (51,779) |  |  | 463,860 |
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities: |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 564,145 |  |  |  |  | — |  |  | (67,030) |  |  | 497,115 |
Residential mortgage-backed securities |  | 1,997,737 |  |  |  |  | 46 |  |  | (225,701) |  |  | 1,772,082 |
Municipal securities |  | 305,125 |  |  |  |  | 47 |  |  | (39,157) |  |  | 266,015 |
Non-agency mortgage-backed securities: |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 441,795 |  |  |  |  | 157 |  |  | (45,229) |  |  | 396,723 |
Residential mortgage-backed securities |  | 743,977 |  |  |  |  | — |  |  | (105,568) |  |  | 638,409 |
Corporate debt securities |  | 663,502 |  |  |  |  | — |  |  | (147,249) |  |  | 516,253 |
Foreign government bonds |  | 198,517 |  |  |  |  | 195 |  |  | (12,829) |  |  | 185,883 |
Asset-backed securities |  | 47,938 |  |  |  |  | — |  |  | (1,631) |  |  | 46,307 |
CLOs |  | 617,250 |  |  |  |  | — |  |  | (16,011) |  |  | 601,239 |
Total AFS debt securities |  | 7,072,240 |  |  |  |  | 482 |  |  | (771,854) |  |  | 6,300,868 |
HTM debt securities: |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | 525,432 |  |  |  |  | — |  |  | (43,821) |  |  | 481,611 |
U.S. government agency and U.S. government-sponsored enterprise debt securities |  | 999,855 |  |  |  |  | — |  |  | (193,514) |  |  | 806,341 |
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities: |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 505,492 |  |  |  |  | — |  |  | (83,532) |  |  | 421,960 |
Residential mortgage-backed securities |  | 773,135 |  |  |  |  | — |  |  | (134,969) |  |  | 638,166 |
Municipal securities |  | 189,507 |  |  |  |  | — |  |  | (34,911) |  |  | 154,596 |
Total HTM debt securities |  | 2,993,421 |  |  |  |  | — |  |  | (490,747) |  |  | 2,502,674 |
Total debt securities |  | $ | 10,065,661 |  |  |  |  | $ | 482 |  |  | $ | (1,262,601) |  |  | $ | 8,803,542 |
|  | December 31, 2022
($ in thousands) |  | Amortized Cost |  |  |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
AFS debt securities: |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | $ | 676,306 |  |  |  |  | $ | — |  |  | $ | (70,103) |  |  | $ | 606,203 |
U.S. government agency and U.S. government-sponsored enterprise debt securities |  | 517,806 |  |  |  |  | 67 |  |  | (56,266) |  |  | 461,607 |
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities: |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 577,392 |  |  |  |  | — |  |  | (77,123) |  |  | 500,269 |
Residential mortgage-backed securities |  | 2,011,054 |  |  |  |  | 41 |  |  | (248,900) |  |  | 1,762,195 |
Municipal securities |  | 303,884 |  |  |  |  | 3 |  |  | (46,788) |  |  | 257,099 |
Non-agency mortgage-backed securities: |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 447,512 |  |  |  |  | 213 |  |  | (49,396) |  |  | 398,329 |
Residential mortgage-backed securities |  | 762,202 |  |  |  |  | — |  |  | (112,978) |  |  | 649,224 |
Corporate debt securities |  | 673,502 |  |  |  |  | — |  |  | (147,228) |  |  | 526,274 |
Foreign government bonds |  | 241,165 |  |  |  |  | 174 |  |  | (14,286) |  |  | 227,053 |
Asset-backed securities |  | 51,152 |  |  |  |  | — |  |  | (2,076) |  |  | 49,076 |
CLOs |  | 617,250 |  |  |  |  | — |  |  | (19,586) |  |  | 597,664 |
Total AFS debt securities |  | 6,879,225 |  |  |  |  | 498 |  |  | (844,730) |  |  | 6,034,993 |
HTM debt securities: |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | $ | 524,081 |  |  |  |  | $ | — |  |  | $ | (52,612) |  |  | 471,469 |
U.S. government agency and U.S. government-sponsored enterprise debt securities |  | 998,972 |  |  |  |  | — |  |  | (209,560) |  |  | 789,412 |
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities: |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 506,965 |  |  |  |  | — |  |  | (98,566) |  |  | 408,399 |
Residential mortgage-backed securities |  | 782,141 |  |  |  |  | — |  |  | (148,230) |  |  | 633,911 |
Municipal securities |  | 189,709 |  |  |  |  | — |  |  | (37,729) |  |  | 151,980 |
Total HTM debt securities |  | 3,001,868 |  |  |  |  | — |  |  | (546,697) |  |  | 2,455,171 |
Total debt securities |  | $ | 9,881,093 |  |  |  |  | $ | 498 |  |  | $ | (1,391,427) |  |  | $ | 8,490,164 |
Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value | The following tables present the fair value and the associated gross unrealized losses of the Company’s AFS debt securities, aggregated by investment category and the length of time that the securities have been in a continuous unrealized loss position as of March 31, 2023 and December 31, 2022.
|  | March 31, 2023
|  | Less Than 12 Months |  | 12 Months or More |  | Total
($ in thousands) |  | Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses
AFS debt securities: |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | $ | 201,775 |  |  | $ | (52) |  |  | $ | 616,680 |  |  | $ | (59,618) |  |  | $ | 818,455 |  |  | $ | (59,670) |
U.S. government agency and U.S. government sponsored enterprise debt securities |  | 207,936 |  |  | (1,021) |  |  | 255,924 |  |  | (50,758) |  |  | 463,860 |  |  | (51,779) |
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities: |  |  |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 37,222 |  |  | (1,722) |  |  | 459,893 |  |  | (65,308) |  |  | 497,115 |  |  | (67,030) |
Residential mortgage-backed securities |  | 23,200 |  |  | (721) |  |  | 1,741,855 |  |  | (224,980) |  |  | 1,765,055 |  |  | (225,701) |
Municipal securities |  | 2,053 |  |  | (24) |  |  | 256,240 |  |  | (39,133) |  |  | 258,293 |  |  | (39,157) |
Non-agency mortgage-backed securities: |  |  |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 6,833 |  |  | (151) |  |  | 380,497 |  |  | (45,078) |  |  | 387,330 |  |  | (45,229) |
Residential mortgage-backed securities |  | 332 |  |  | (15) |  |  | 638,077 |  |  | (105,553) |  |  | 638,409 |  |  | (105,568) |
Corporate debt securities |  | 48,026 |  |  | (3,976) |  |  | 468,227 |  |  | (143,273) |  |  | 516,253 |  |  | (147,249) |
Foreign government bonds |  | 71,392 |  |  | (512) |  |  | 37,683 |  |  | (12,317) |  |  | 109,075 |  |  | (12,829) |
Asset-backed securities |  | — |  |  | — |  |  | 46,307 |  |  | (1,631) |  |  | 46,307 |  |  | (1,631) |
CLOs |  | — |  |  | — |  |  | 601,239 |  |  | (16,011) |  |  | 601,239 |  |  | (16,011) |
Total AFS debt securities |  | $ | 598,769 |  |  | $ | (8,194) |  |  | $ | 5,502,622 |  |  | $ | (763,660) |  |  | $ | 6,101,391 |  |  | $ | (771,854) |
|  | December 31, 2022
|  | Less Than 12 Months |  | 12 Months or More |  | Total
($ in thousands) |  | Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses
AFS debt securities: |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | $ | 131,843 |  |  | $ | (8,761) |  |  | $ | 474,360 |  |  | $ | (61,342) |  |  | $ | 606,203 |  |  | $ | (70,103) |
U.S. government agency and U.S. government-sponsored enterprise debt securities |  | 97,403 |  |  | (6,902) |  |  | 214,136 |  |  | (49,364) |  |  | 311,539 |  |  | (56,266) |
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities: |  |  |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 252,144 |  |  | (30,029) |  |  | 248,125 |  |  | (47,094) |  |  | 500,269 |  |  | (77,123) |
Residential mortgage-backed securities |  | 307,536 |  |  | (20,346) |  |  | 1,448,658 |  |  | (228,554) |  |  | 1,756,194 |  |  | (248,900) |
Municipal securities |  | 95,655 |  |  | (10,194) |  |  | 159,439 |  |  | (36,594) |  |  | 255,094 |  |  | (46,788) |
Non-agency mortgage-backed securities: |  |  |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 106,184 |  |  | (3,309) |  |  | 282,301 |  |  | (46,087) |  |  | 388,485 |  |  | (49,396) |
Residential mortgage-backed securities |  | 22,715 |  |  | (1,546) |  |  | 626,509 |  |  | (111,432) |  |  | 649,224 |  |  | (112,978) |
Corporate debt securities |  | 173,595 |  |  | (17,907) |  |  | 352,679 |  |  | (129,321) |  |  | 526,274 |  |  | (147,228) |
Foreign government bonds |  | 107,576 |  |  | (429) |  |  | 36,143 |  |  | (13,857) |  |  | 143,719 |  |  | (14,286) |
Asset-backed securities |  | 12,450 |  |  | (524) |  |  | 36,626 |  |  | (1,552) |  |  | 49,076 |  |  | (2,076) |
CLOs |  | 144,365 |  |  | (4,735) |  |  | 453,299 |  |  | (14,851) |  |  | 597,664 |  |  | (19,586) |
Total AFS debt securities |  | $ | 1,451,466 |  |  | $ | (104,682) |  |  | $ | 4,332,275 |  |  | $ | (740,048) |  |  | $ | 5,783,741 |  |  | $ | (844,730) |
Schedule Of The Gross Realized Gains And Tax Expense Related To The Sales And Impairment Write-Off Of AFS Debt Securities | The following table presents the gross realized gains and tax expense related to the sales and impairment write-off of AFS debt securities included in earnings for the three months ended March 31, 2023 and 2022:
|  | Three Months Ended March 31, |  |  |  |
($ in thousands) |  | 2023 |  | 2022 |  |  |  |  |  |  |  |
Gross realized gains from sales |  | $ | — |  |  | $ | 1,278 |  |  |  |  |  |  |  |  |
Impairment write-off (1) |  | $ | 10,000 |  |  | $ | — |  |  |  |  |  |  |  |  |
Related tax (benefit) expense |  | $ | (2,956) |  |  | $ | 378 |  |  |  |  |  |  |  |  |
(1)During the first quarter of 2023, the Company fully wrote down a subordinated debt security and recorded the impairment loss as a component of noninterest income in the Company’s Consolidated Statement of Income.
Schedule of Composition of Interest Income on Debt Securities | The following table presents the composition of interest income on debt securities for the three months ended March 31, 2023 and 2022:
|  | Three Months Ended March 31, |  |  |  |
($ in thousands) |  | 2023 |  | 2022 |  |  |  |  |  |  |  |
Taxable interest |  | $ | 61,049 |  |  | $ | 38,204 |  |  |  |  |  |  |  |  |
Nontaxable interest |  | 4,882 |  |  | 4,463 |  |  |  |  |  |  |  |  |
Total interest income on debt securities |  | $ | 65,931 |  |  | $ | 42,667 |  |  |  |  |  |  |  |  |
Schedule Of Contractual Maturities And Weighted Average Yields Of AFS And HTM Debt Securities | The following tables present the contractual maturities, amortized cost, fair value and weighted average yields of AFS and HTM debt securities as of March 31, 2023. Expected maturities will differ from contractual maturities on certain securities as the issuers and borrowers of the underlying collateral may have the right to call or prepay obligations with or without prepayment penalties.
($ in thousands) |  | Within One Year |  | After One Year through Five Years |  | After Five Years through Ten Years |  | After Ten Years |  | Total
AFS debt securities: |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  |  |  |  |  |  |  |  |  |
Amortized cost |  | $ | 300,316 |  |  | $ | 676,299 |  |  | $ | — |  |  | $ | — |  |  | $ | 976,615 |
Fair value |  | 300,302 |  |  | 616,680 |  |  | — |  |  | — |  |  | 916,982 |
Weighted-average yield (1) |  | 4.57 | % |  | 1.20 | % |  | — | % |  | — | % |  | 2.24 | %
U.S. government agency and U.S. government-sponsored enterprise debt securities |  |  |  |  |  |  |  |  |  |
Amortized cost |  | 100,000 |  |  | 148,135 |  |  | 100,000 |  |  | 167,504 |  |  | 515,639 |
Fair value |  | 99,798 |  |  | 143,681 |  |  | 83,478 |  |  | 136,903 |  |  | 463,860 |
Weighted-average yield (1) |  | 4.97 | % |  | 3.72 | % |  | 1.26 | % |  | 2.10 | % |  | 2.96 | %
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities |  |  |  |  |  |  |  |  |  |
Amortized cost |  | — |  |  | 31,502 |  |  | 154,131 |  |  | 2,376,249 |  |  | 2,561,882 |
Fair value |  | — |  |  | 30,182 |  |  | 141,815 |  |  | 2,097,200 |  |  | 2,269,197 |
Weighted-average yield (1) (2) |  | — | % |  | 3.22 | % |  | 2.67 | % |  | 3.39 | % |  | 3.34 | %
Municipal securities |  |  |  |  |  |  |  |  |  |
Amortized cost |  | 2,304 |  |  | 37,282 |  |  | 10,778 |  |  | 254,761 |  |  | 305,125 |
Fair value |  | 2,287 |  |  | 34,889 |  |  | 9,610 |  |  | 219,229 |  |  | 266,015 |
Weighted-average yield (1) (2) |  | 2.21 | % |  | 2.46 | % |  | 2.73 | % |  | 2.24 | % |  | 2.28 | %
Non-agency mortgage-backed securities |  |  |  |  |  |  |  |  |  |
Amortized cost |  | 71,090 |  |  | 139,963 |  |  | 19,881 |  |  | 954,838 |  |  | 1,185,772 |
Fair value |  | 70,089 |  |  | 134,268 |  |  | 19,290 |  |  | 811,485 |  |  | 1,035,132 |
Weighted-average yield (1) |  | 7.23 | % |  | 4.42 | % |  | 0.84 | % |  | 2.61 | % |  | 3.07 | %
Corporate debt securities |  |  |  |  |  |  |  |  |  |
Amortized cost |  | 10,000 |  |  | — |  |  | 349,502 |  |  | 304,000 |  |  | 663,502 |
Fair value |  | 9,817 |  |  | — |  |  | 294,170 |  |  | 212,266 |  |  | 516,253 |
Weighted average yield (1) |  | 3.49 | % |  | — | % |  | 3.48 | % |  | 1.97 | % |  | 2.79 | %
Foreign government bonds |  |  |  |  |  |  |  |  |  |
Amortized cost |  | 62,096 |  |  | 36,421 |  |  | 50,000 |  |  | 50,000 |  |  | 198,517 |
Fair value |  | 62,280 |  |  | 36,390 |  |  | 49,530 |  |  | 37,683 |  |  | 185,883 |
Weighted-average yield (1) |  | 3.19 | % |  | 2.35 | % |  | 4.94 | % |  | 1.50 | % |  | 3.05 | %
Asset-backed securities |  |  |  |  |  |  |  |  |  |
Amortized cost |  | — |  |  | — |  |  | — |  |  | 47,938 |  |  | 47,938 |
Fair value |  | — |  |  | — |  |  | — |  |  | 46,307 |  |  | 46,307 |
Weighted-average yield (1) |  | — | % |  | — | % |  | — | % |  | 5.59 | % |  | 5.59 | %
CLOs |  |  |  |  |  |  |  |  |  |
Amortized cost |  | — |  |  | — |  |  | 319,000 |  |  | 298,250 |  |  | 617,250 |
Fair value |  | — |  |  | — |  |  | 310,154 |  |  | 291,085 |  |  | 601,239 |
Weighted average yield (1) |  | — | % |  | — | % |  | 5.93 | % |  | 5.99 | % |  | 5.96 | %
Total AFS debt securities |  |  |  |  |  |  |  |  |  |
Amortized cost |  | $ | 545,806 |  |  | $ | 1,069,602 |  |  | $ | 1,003,292 |  |  | $ | 4,453,540 |  |  | $ | 7,072,240 |
Fair value |  | $ | 544,573 |  |  | $ | 996,090 |  |  | $ | 908,047 |  |  | $ | 3,852,158 |  |  | $ | 6,300,868 |
Weighted-average yield (1) |  | 4.80 | % |  | 2.11 | % |  | 3.93 | % |  | 3.19 | % |  | 3.25 | %
($ in thousands) |  | Within One Year |  | After One Year through Five Years |  | After Five Years through Ten Years |  | After Ten Years |  | Total
HTM debt securities: |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  |  |  |  |  |  |  |  |  |
Amortized cost |  | $ | — |  | $ | 525,432 |  | $ | — |  | $ | — |  | $ | 525,432
Fair value |  | — |  | 481,611 |  | — |  | — |  | 481,611
Weighted-average yield (1) |  | — | % |  | 1.05 | % |  | — | % |  | — | % |  | 1.05 | %
U.S. government agency and U.S. government-sponsored enterprise debt securities |  |  |  |  |  |  |  |  |  |
Amortized cost |  | — |  | — |  | 280,289 |  | 719,566 |  | 999,855
Fair value |  | — |  | — |  | 240,780 |  | 565,561 |  | 806,341
Weighted-average yield (1) |  | — | % |  | — | % |  | 1.92 | % |  | 1.89 | % |  | 1.90 | %
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities |  |  |  |  |  |  |  |  |  |
Amortized cost |  | — |  | — |  | 95,693 |  | 1,182,934 |  | 1,278,627
Fair value |  | — |  | — |  | 81,608 |  | 978,518 |  | 1,060,126
Weighted-average yield (1) (2) |  | — | % |  | — | % |  | 1.56 | % |  | 1.67 | % |  | 1.66 | %
Municipal securities |  |  |  |  |  |  |  |  |  |
Amortized cost |  | — |  | — |  | — |  | 189,507 |  | 189,507
Fair value |  | — |  | — |  | — |  | 154,596 |  | 154,596
Weighted-average yield (1) (2) |  | — | % |  | — | % |  | — | % |  | 1.98 | % |  | 1.98 | %
Total HTM debt securities |  |  |  |  |  |  |  |  |  |
Amortized cost |  | $ | — |  | $ | 525,432 |  | $ | 375,982 |  | $ | 2,092,007 |  | $ | 2,993,421
Fair value |  | $ | — |  | $ | 481,611 |  | $ | 322,388 |  | $ | 1,698,675 |  | $ | 2,502,674
Weighted-average yield (1) |  | — | % |  | 1.05 | % |  | 1.83 | % |  | 1.77 | % |  | 1.65 | %
(1)Weighted-average yields are computed based on amortized cost balances. (2)Yields on tax-exempt securities are not presented on a tax-equivalent basis.
Schedule Of Restricted Equity Securities | The following table presents the restricted equity securities included in Other assets on the Consolidated Balance Sheet as of March 31, 2023 and December 31, 2022:
($ in thousands) |  | March 31, 2023 |  | December 31, 2022
Federal Reserve Bank of San Francisco (“FRBSF”) stock |  | $ | 61,622 |  |  | $ | 61,374 |
FHLB stock |  | 17,250 |  |  | 17,250 |
Total restricted equity securities |  | $ | 78,872 |  |  | $ | 78,624 |

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