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Securities (Tables) | 9 Months Ended
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Sep. 30, 2022
Investments, Debt and Equity Securities [Abstract] |
Debt Securities, Available-for-sale | 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 September 30, 2022 and December 31, 2021:
($ in thousands) |  | September 30, 2022
| Amortized Cost |  |  |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
AFS debt securities: |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | $ | 676,312 |  |  |  |  | $ | — |  |  | $ | (75,635) |  |  | $ | 600,677 |
U.S. government agency and U.S. government-sponsored enterprise debt securities |  | 319,070 |  |  |  |  | — |  |  | (58,646) |  |  | 260,424 |
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities: |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 595,342 |  |  |  |  | — |  |  | (73,457) |  |  | 521,885 |
Residential mortgage-backed securities |  | 2,043,791 |  |  |  |  | 58 |  |  | (250,420) |  |  | 1,793,429 |
Municipal securities |  | 307,084 |  |  |  |  | — |  |  | (57,582) |  |  | 249,502 |
Non-agency mortgage-backed securities: |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 448,790 |  |  |  |  | 173 |  |  | (50,988) |  |  | 397,975 |
Residential mortgage-backed securities |  | 784,700 |  |  |  |  | — |  |  | (113,162) |  |  | 671,538 |
Corporate debt securities |  | 673,502 |  |  |  |  | — |  |  | (143,937) |  |  | 529,565 |
Foreign government bonds |  | 238,720 |  |  |  |  | 528 |  |  | (13,438) |  |  | 225,810 |
Asset-backed securities |  | 66,793 |  |  |  |  | — |  |  | (1,923) |  |  | 64,870 |
CLOs |  | 617,250 |  |  |  |  | — |  |  | (26,835) |  |  | 590,415 |
Total AFS debt securities |  | 6,771,354 |  |  |  |  | 759 |  |  | (866,023) |  |  | 5,906,090 |
HTM debt securities: |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | 522,713 |  |  |  |  | — |  |  | (56,628) |  |  | 466,085 |
U.S. government agency and U.S. government-sponsored enterprise debt securities |  | 998,233 |  |  |  |  | — |  |  | (215,616) |  |  | 782,617 |
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities: |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 509,139 |  |  |  |  | — |  |  | (92,507) |  |  | 416,632 |
Residential mortgage-backed securities |  | 792,685 |  |  |  |  | — |  |  | (142,978) |  |  | 649,707 |
Municipal securities |  | 189,897 |  |  |  |  | — |  |  | (45,803) |  |  | 144,094 |
Total HTM debt securities |  | 3,012,667 |  |  |  |  | — |  |  | (553,532) |  |  | 2,459,135 |
Total debt securities |  | $ | 9,784,021 |  |  |  |  | $ | 759 |  |  | $ | (1,419,555) |  |  | $ | 8,365,225 |
($ in thousands) |  | December 31, 2021
| Amortized Cost |  |  |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
AFS debt securities: |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | $ | 1,049,238 |  |  |  |  | $ | 130 |  |  | $ | (16,687) |  |  | $ | 1,032,681 |
U.S. government agency and U.S. government-sponsored enterprise debt securities |  | 1,333,984 |  |  |  |  | 2,697 |  |  | (34,710) |  |  | 1,301,971 |
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities: |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 1,242,043 |  |  |  |  | 15,791 |  |  | (28,854) |  |  | 1,228,980 |
Residential mortgage-backed securities |  | 2,968,789 |  |  |  |  | 8,629 |  |  | (49,135) |  |  | 2,928,283 |
Municipal securities |  | 519,381 |  |  |  |  | 10,065 |  |  | (6,288) |  |  | 523,158 |
Non-agency mortgage-backed securities: |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 498,920 |  |  |  |  | 3,000 |  |  | (5,477) |  |  | 496,443 |
Residential mortgage-backed securities |  | 889,937 |  |  |  |  | 971 |  |  | (8,977) |  |  | 881,931 |
Corporate debt securities |  | 657,516 |  |  |  |  | 8,738 |  |  | (16,589) |  |  | 649,665 |
Foreign government bonds |  | 260,447 |  |  |  |  | 767 |  |  | (3,481) |  |  | 257,733 |
Asset-backed securities |  | 74,674 |  |  |  |  | 185 |  |  | (301) |  |  | 74,558 |
CLOs |  | 592,250 |  |  |  |  | 52 |  |  | (2,352) |  |  | 589,950 |
Total AFS debt securities |  | $ | 10,087,179 |  |  |  |  | $ | 51,025 |  |  | $ | (172,851) |  |  | $ | 9,965,353 |
Debt Securities, Held-To-Maturity | 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 September 30, 2022 and December 31, 2021:
($ in thousands) |  | September 30, 2022
| Amortized Cost |  |  |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
AFS debt securities: |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | $ | 676,312 |  |  |  |  | $ | — |  |  | $ | (75,635) |  |  | $ | 600,677 |
U.S. government agency and U.S. government-sponsored enterprise debt securities |  | 319,070 |  |  |  |  | — |  |  | (58,646) |  |  | 260,424 |
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities: |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 595,342 |  |  |  |  | — |  |  | (73,457) |  |  | 521,885 |
Residential mortgage-backed securities |  | 2,043,791 |  |  |  |  | 58 |  |  | (250,420) |  |  | 1,793,429 |
Municipal securities |  | 307,084 |  |  |  |  | — |  |  | (57,582) |  |  | 249,502 |
Non-agency mortgage-backed securities: |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 448,790 |  |  |  |  | 173 |  |  | (50,988) |  |  | 397,975 |
Residential mortgage-backed securities |  | 784,700 |  |  |  |  | — |  |  | (113,162) |  |  | 671,538 |
Corporate debt securities |  | 673,502 |  |  |  |  | — |  |  | (143,937) |  |  | 529,565 |
Foreign government bonds |  | 238,720 |  |  |  |  | 528 |  |  | (13,438) |  |  | 225,810 |
Asset-backed securities |  | 66,793 |  |  |  |  | — |  |  | (1,923) |  |  | 64,870 |
CLOs |  | 617,250 |  |  |  |  | — |  |  | (26,835) |  |  | 590,415 |
Total AFS debt securities |  | 6,771,354 |  |  |  |  | 759 |  |  | (866,023) |  |  | 5,906,090 |
HTM debt securities: |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | 522,713 |  |  |  |  | — |  |  | (56,628) |  |  | 466,085 |
U.S. government agency and U.S. government-sponsored enterprise debt securities |  | 998,233 |  |  |  |  | — |  |  | (215,616) |  |  | 782,617 |
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities: |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 509,139 |  |  |  |  | — |  |  | (92,507) |  |  | 416,632 |
Residential mortgage-backed securities |  | 792,685 |  |  |  |  | — |  |  | (142,978) |  |  | 649,707 |
Municipal securities |  | 189,897 |  |  |  |  | — |  |  | (45,803) |  |  | 144,094 |
Total HTM debt securities |  | 3,012,667 |  |  |  |  | — |  |  | (553,532) |  |  | 2,459,135 |
Total debt securities |  | $ | 9,784,021 |  |  |  |  | $ | 759 |  |  | $ | (1,419,555) |  |  | $ | 8,365,225 |
($ in thousands) |  | December 31, 2021
| Amortized Cost |  |  |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value
AFS debt securities: |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | $ | 1,049,238 |  |  |  |  | $ | 130 |  |  | $ | (16,687) |  |  | $ | 1,032,681 |
U.S. government agency and U.S. government-sponsored enterprise debt securities |  | 1,333,984 |  |  |  |  | 2,697 |  |  | (34,710) |  |  | 1,301,971 |
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities: |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 1,242,043 |  |  |  |  | 15,791 |  |  | (28,854) |  |  | 1,228,980 |
Residential mortgage-backed securities |  | 2,968,789 |  |  |  |  | 8,629 |  |  | (49,135) |  |  | 2,928,283 |
Municipal securities |  | 519,381 |  |  |  |  | 10,065 |  |  | (6,288) |  |  | 523,158 |
Non-agency mortgage-backed securities: |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 498,920 |  |  |  |  | 3,000 |  |  | (5,477) |  |  | 496,443 |
Residential mortgage-backed securities |  | 889,937 |  |  |  |  | 971 |  |  | (8,977) |  |  | 881,931 |
Corporate debt securities |  | 657,516 |  |  |  |  | 8,738 |  |  | (16,589) |  |  | 649,665 |
Foreign government bonds |  | 260,447 |  |  |  |  | 767 |  |  | (3,481) |  |  | 257,733 |
Asset-backed securities |  | 74,674 |  |  |  |  | 185 |  |  | (301) |  |  | 74,558 |
CLOs |  | 592,250 |  |  |  |  | 52 |  |  | (2,352) |  |  | 589,950 |
Total AFS debt securities |  | $ | 10,087,179 |  |  |  |  | $ | 51,025 |  |  | $ | (172,851) |  |  | $ | 9,965,353 |
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 September 30, 2022 and December 31, 2021.
($ in thousands) |  | September 30, 2022
| Less Than 12 Months |  | 12 Months or More |  | Total
| Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses
AFS debt securities: |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | $ | 263,772 |  |  | $ | (25,232) |  |  | $ | 336,905 |  |  | $ | (50,403) |  |  | $ | 600,677 |  |  | $ | (75,635) |
U.S. government agency and U.S. government sponsored enterprise debt securities |  | 88,168 |  |  | (16,401) |  |  | 172,256 |  |  | (42,245) |  |  | 260,424 |  |  | (58,646) |
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities: |  |  |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 334,460 |  |  | (39,330) |  |  | 187,425 |  |  | (34,127) |  |  | 521,885 |  |  | (73,457) |
Residential mortgage-backed securities |  | 700,318 |  |  | (72,088) |  |  | 1,085,253 |  |  | (178,332) |  |  | 1,785,571 |  |  | (250,420) |
Municipal securities |  | 203,157 |  |  | (46,271) |  |  | 46,345 |  |  | (11,311) |  |  | 249,502 |  |  | (57,582) |
Non-agency mortgage-backed securities: |  |  |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 170,101 |  |  | (8,351) |  |  | 218,124 |  |  | (42,637) |  |  | 388,225 |  |  | (50,988) |
Residential mortgage-backed securities |  | 188,584 |  |  | (23,168) |  |  | 482,954 |  |  | (89,994) |  |  | 671,538 |  |  | (113,162) |
Corporate debt securities |  | 247,533 |  |  | (24,969) |  |  | 282,032 |  |  | (118,968) |  |  | 529,565 |  |  | (143,937) |
Foreign government bonds |  | 68,733 |  |  | (336) |  |  | 36,899 |  |  | (13,102) |  |  | 105,632 |  |  | (13,438) |
Asset-backed securities |  | 54,811 |  |  | (1,579) |  |  | 10,059 |  |  | (344) |  |  | 64,870 |  |  | (1,923) |
CLOs |  | 190,370 |  |  | (8,730) |  |  | 400,045 |  |  | (18,105) |  |  | 590,415 |  |  | (26,835) |
Total AFS debt securities |  | $ | 2,510,007 |  |  | $ | (266,455) |  |  | $ | 3,258,297 |  |  | $ | (599,568) |  |  | $ | 5,768,304 |  |  | $ | (866,023) |
($ in thousands) |  | December 31, 2021
| Less Than 12 Months |  | 12 Months or More |  | Total
| Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses |  | Fair Value |  | Gross Unrealized Losses
AFS debt securities: |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury securities |  | $ | 935,776 |  |  | $ | (14,689) |  |  | $ | 47,881 |  |  | $ | (1,998) |  |  | $ | 983,657 |  |  | $ | (16,687) |
U.S. government agency and U.S. government-sponsored enterprise debt securities |  | 773,647 |  |  | (18,000) |  |  | 402,907 |  |  | (16,710) |  |  | 1,176,554 |  |  | (34,710) |
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities: |  |  |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 440,734 |  |  | (13,589) |  |  | 257,745 |  |  | (15,265) |  |  | 698,479 |  |  | (28,854) |
Residential mortgage-backed securities |  | 2,138,542 |  |  | (37,691) |  |  | 330,522 |  |  | (11,444) |  |  | 2,469,064 |  |  | (49,135) |
Municipal securities |  | 177,065 |  |  | (5,682) |  |  | 17,003 |  |  | (606) |  |  | 194,068 |  |  | (6,288) |
Non-agency mortgage-backed securities: |  |  |  |  |  |  |  |  |  |  |  |
Commercial mortgage-backed securities |  | 301,925 |  |  | (4,158) |  |  | 40,013 |  |  | (1,319) |  |  | 341,938 |  |  | (5,477) |
Residential mortgage-backed securities |  | 707,792 |  |  | (8,966) |  |  | 6,431 |  |  | (11) |  |  | 714,223 |  |  | (8,977) |
Corporate debt securities |  | 183,916 |  |  | (3,084) |  |  | 251,494 |  |  | (13,505) |  |  | 435,410 |  |  | (16,589) |
Foreign government bonds |  | 27,097 |  |  | (5) |  |  | 133,279 |  |  | (3,476) |  |  | 160,376 |  |  | (3,481) |
Asset-backed securities |  | 24,885 |  |  | (301) |  |  | — |  |  | — |  |  | 24,885 |  |  | (301) |
CLOs |  | 221,586 |  |  | (64) |  |  | 291,712 |  |  | (2,288) |  |  | 513,298 |  |  | (2,352) |
Total AFS debt securities |  | $ | 5,932,965 |  |  | $ | (106,229) |  |  | $ | 1,778,987 |  |  | $ | (66,622) |  |  | $ | 7,711,952 |  |  | $ | (172,851) |
Schedule Of The Gross Realized Gains And Tax Expense Related To The Sales Of AFS Debt Securities | The following table presents the gross realized gains and tax expense related to the sales of AFS debt securities for the three and nine months ended September 30, 2022 and 2021:
($ in thousands) |  | Three Months Ended September 30, |  | Nine Months Ended September 30, |  |
| 2022 |  | 2021 |  | 2022 |  | 2021 |  |  |  |
Gross realized gains |  | $ | — |  |  | $ | 354 |  |  | $ | 1,306 |  |  | $ | 1,178 |  |  |  |  |
Related tax expense |  | $ | — |  |  | $ | 104 |  |  | $ | 386 |  |  | $ | 348 |  |  |  |  |
Schedule of Composition of Interest Income on Debt Securities | The following table presents the composition of interest income on debt securities for the three and nine months ended September 30, 2022 and 2021:
($ in thousands) |  | Three Months Ended September 30, |  | Nine Months Ended September 30, |  |
| 2022 |  | 2021 |  | 2022 |  | 2021 |  |  |  |
Taxable interest |  | $ | 46,172 |  |  | $ | 34,755 |  |  | $ | 125,626 |  |  | $ | 92,909 |  |  |  |  |
Nontaxable interest |  | 4,920 |  |  | 3,071 |  |  | 14,309 |  |  | 8,707 |  |  |  |  |
Total interest income on debt securities |  | $ | 51,092 |  |  | $ | 37,826 |  |  | $ | 139,935 |  |  | $ | 101,616 |  |  |  |  |
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 September 30, 2022. 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 |  | $ | — |  |  | $ | 576,605 |  |  | $ | 99,707 |  |  | $ | — |  |  | $ | 676,312 |
Fair value |  | — |  |  | 516,595 |  |  | 84,082 |  |  | — |  |  | 600,677 |
Weighted-average yield (1) |  | — | % |  | 1.28 | % |  | 0.74 | % |  | — | % |  | 1.20 | %
U.S. government agency and U.S. government-sponsored enterprise debt securities |  |  |  |  |  |  |  |  |  |
Amortized cost |  | — |  |  | 24,775 |  |  | 125,000 |  |  | 169,295 |  |  | 319,070 |
Fair value |  | — |  |  | 22,787 |  |  | 102,540 |  |  | 135,097 |  |  | 260,424 |
Weighted-average yield (1) |  | — | % |  | 1.47 | % |  | 1.16 | % |  | 2.10 | % |  | 1.69 | %
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities |  |  |  |  |  |  |  |  |  |
Amortized cost |  | — |  |  | 24,417 |  |  | 173,899 |  |  | 2,440,817 |  |  | 2,639,133 |
Fair value |  | — |  |  | 23,529 |  |  | 157,827 |  |  | 2,133,958 |  |  | 2,315,314 |
Weighted-average yield (1) |  | — | % |  | 3.26 | % |  | 2.71 | % |  | 2.70 | % |  | 2.71 | %
Municipal securities |  |  |  |  |  |  |  |  |  |
Amortized cost |  | 1,511 |  |  | 38,079 |  |  | 6,855 |  |  | 260,639 |  |  | 307,084 |
Fair value |  | 1,510 |  |  | 35,025 |  |  | 5,753 |  |  | 207,214 |  |  | 249,502 |
Weighted-average yield (1) (2) |  | 3.13 | % |  | 2.44 | % |  | 1.85 | % |  | 2.24 | % |  | 2.26 | %
Non-agency mortgage-backed securities |  |  |  |  |  |  |  |  |  |
Amortized cost |  | 28,574 |  |  | 187,564 |  |  | 25,832 |  |  | 991,520 |  |  | 1,233,490 |
Fair value |  | 28,195 |  |  | 179,900 |  |  | 24,897 |  |  | 836,521 |  |  | 1,069,513 |
Weighted-average yield (1) |  | 4.84 | % |  | 3.87 | % |  | 0.84 | % |  | 2.37 | % |  | 2.62 | %
Corporate debt securities |  |  |  |  |  |  |  |  |  |
Amortized cost |  | 10,000 |  |  | — |  |  | 334,502 |  |  | 329,000 |  |  | 673,502 |
Fair value |  | 9,857 |  |  | — |  |  | 296,184 |  |  | 223,524 |  |  | 529,565 |
Weighted average yield (1) |  | 3.95 | % |  | — | % |  | 3.59 | % |  | 1.98 | % |  | 2.81 | %
Foreign government bonds |  |  |  |  |  |  |  |  |  |
Amortized cost |  | 138,720 |  |  | — |  |  | 50,000 |  |  | 50,000 |  |  | 238,720 |
Fair value |  | 139,060 |  |  | — |  |  | 49,851 |  |  | 36,899 |  |  | 225,810 |
Weighted-average yield (1) |  | 2.15 | % |  | — | % |  | 2.66 | % |  | 1.50 | % |  | 2.12 | %
Asset-backed securities |  |  |  |  |  |  |  |  |  |
Amortized cost |  | — |  |  | — |  |  | — |  |  | 66,793 |  |  | 66,793 |
Fair value |  | — |  |  | — |  |  | — |  |  | 64,870 |  |  | 64,870 |
Weighted-average yield (1) |  | — | % |  | — | % |  | — | % |  | 4.15 | % |  | 4.15 | %
CLOs |  |  |  |  |  |  |  |  |  |
Amortized cost |  | — |  |  | — |  |  | 25,000 |  |  | 592,250 |  |  | 617,250 |
Fair value |  | — |  |  | — |  |  | 24,168 |  |  | 566,247 |  |  | 590,415 |
Weighted average yield (1) |  | — | % |  | — | % |  | 3.66 | % |  | 3.86 | % |  | 3.85 | %
Total AFS debt securities |  |  |  |  |  |  |  |  |  |
Amortized cost |  | $ | 178,805 |  |  | $ | 851,440 |  |  | $ | 840,795 |  |  | $ | 4,900,314 |  |  | $ | 6,771,354 |
Fair value |  | $ | 178,622 |  |  | $ | 777,836 |  |  | $ | 745,302 |  |  | $ | 4,204,330 |  |  | $ | 5,906,090 |
Weighted-average yield (1) |  | 2.69 | % |  | 1.96 | % |  | 2.56 | % |  | 2.69 | % |  | 2.58 | %
($ 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 |  | $ | — |  | $ | 285,325 |  | $ | 237,388 |  | $ | — |  | $ | 522,713
Fair value |  | — |  | 255,365 |  | 210,720 |  | — |  | 466,085
Weighted-average yield (1) |  | — | % |  | 0.96 | % |  | 1.14 | % |  | — | % |  | 1.05 | %
U.S. government agency and U.S. government-sponsored enterprise debt securities |  |  |  |  |  |  |  |  |  |
Amortized cost |  | — |  | — |  | 255,708 |  | 742,525 |  | 998,233
Fair value |  | — |  | — |  | 215,684 |  | 566,933 |  | 782,617
Weighted-average yield (1) |  | — | % |  | — | % |  | 1.94 | % |  | 1.88 | % |  | 1.90 | %
U.S. government agency and U.S. government-sponsored enterprise mortgage-backed securities |  |  |  |  |  |  |  |  |  |
Amortized cost |  | — |  | — |  | 96,433 |  | 1,205,391 |  | 1,301,824
Fair value |  | — |  | — |  | 81,526 |  | 984,813 |  | 1,066,339
Weighted-average yield (1) |  | — | % |  | — | % |  | 1.56 | % |  | 1.63 | % |  | 1.63 | %
Municipal securities |  |  |  |  |  |  |  |  |  |
Amortized cost |  | — |  | — |  | — |  | 189,897 |  | 189,897
Fair value |  | — |  | — |  | — |  | 144,094 |  | 144,094
Weighted-average yield (1) (2) |  | — | % |  | — | % |  | — | % |  | 1.97 | % |  | 1.97 | %
Total HTM debt securities |  |  |  |  |  |  |  |  |  |
Amortized cost |  | $ | — |  | $ | 285,325 |  | $ | 589,529 |  | $ | 2,137,813 |  | $ | 3,012,667
Fair value |  | $ | — |  | $ | 255,365 |  | $ | 507,930 |  | $ | 1,695,840 |  | $ | 2,459,135
Weighted-average yield (1) |  | — | % |  | 0.96 | % |  | 1.55 | % |  | 1.75 | % |  | 1.64 | %
(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 September 30, 2022 and December 31, 2021:
($ in thousands) |  | September 30, 2022 |  | December 31, 2021
Federal Reserve Bank of San Francisco (“FRBSF”) stock |  | $ | 61,004 |  |  | $ | 60,184 |
FHLB stock |  | 17,250 |  |  | 17,250 |
Total restricted equity securities |  | $ | 78,254 |  |  | $ | 77,434 |

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