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v3.22.2.2

Investment Securities - Investments by Contractual Maturity Date (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Sep. 30, 2021
--- | --- | ---
Amortized Cost, Available-for-sale securities |  |
Amortized cost | $ 2,162,737 | $ 2,090,070
Gross Unrealized Gains / Losses, Available-for-sale securities |  |
Gross unrealized gains | 1,308 | 50,829
Gross unrealized loss | (113,008) | (2,640)
Fair Value, Available-for-sale securities |  |
Available-for-sale securities, at fair value | $ 2,051,037 | $ 2,138,259
Yield, Available-for-sale securities |  |
Yield | 3.36% | 1.69%
Amortized Cost, Held-to-maturity securities |  |
Held-to-maturity securities, amortized cost | $ 463,299 | $ 366,025
Gross Unrealized Gains / Losses, Held-to-maturity securities |  |
Gross unrealized gains | 22 | 13,522
Gross unrealized losses | (56,461) | 0
Fair Value, Held-to-maturity securities |  |
Fair value | $ 406,860 | $ 379,547
Yield, Held-to-maturity securities |  |
Without single maturity date |  | 3.17%
Yield | 2.88% |
Investments | $ 2,626,036 | $ 2,456,095
Gross unrealized gains on investments | 1,330 | 64,351
Gross unrealized losses on investments | (169,469) | (2,640)
Total Financial Assets | $ 2,457,897 | $ 2,517,806
Yield on investments | 3.28% | 1.89%
U.S. government and agency securities |  |
Amortized Cost, Available-for-sale securities |  |
1 to 5 years | $ 40,403 | $ 47,339
5 to 10 years |  | 14,064
Gross Unrealized Gains / Losses, Available-for-sale securities |  |
Gross unrealized gains, 1 to 5 years | 0 | 240
Gross unrealized gains, 5 to 10 years |  | 136
Gross unrealized losses, 1 to 5 years | (1,049) | 0
Gross unrealized losses, 5 to 10 years |  | 0
Fair Value, Available-for-sale securities |  |
1 to 5 years | $ 39,354 | 47,579
5 to 10 years |  | $ 14,200
Yield, Available-for-sale securities |  |
1 to 5 years | 3.03% | 0.44%
5 to 10 years |  | 2.05%
Asset-backed securities |  |
Amortized Cost, Available-for-sale securities |  |
1 to 5 years | $ 22,527 | $ 19,730
5 to 10 years | 82,962 | 71,207
Over 10 years | 668,482 | 973,892
Gross Unrealized Gains / Losses, Available-for-sale securities |  |
Gross unrealized gains, 1 to 5 years | 0 | 0
Gross unrealized gains, 5 to 10 years | 4 | 412
Gross unrealized gains, over 10 years | 783 | 14,069
Gross unrealized losses, 1 to 5 years | (1,141) | (434)
Gross unrealized losses, 5 to 10 years | (547) | (97)
Gross unrealized losses, over 10 years | (6,069) | (98)
Fair Value, Available-for-sale securities |  |
1 to 5 years | 21,386 | 19,296
5 to 10 years | 82,419 | 71,522
Over 10 years | $ 663,196 | $ 987,863
Yield, Available-for-sale securities |  |
1 to 5 years | 3.27% | 0.52%
5 to 10 years | 3.53% | 0.57%
Over 10 years | 3.86% | 0.94%
Corporate debt securities |  |
Amortized Cost, Available-for-sale securities |  |
Within 1 year | $ 75,000 | $ 225,928
1 to 5 years | 151,411 | 86,802
5 to 10 years | 114,414 | 28,804
Gross Unrealized Gains / Losses, Available-for-sale securities |  |
Gross unrealized gains, within 1 year | 4 | 7,860
Gross unrealized gains, 1 to 5 years | 0 | 1,345
Gross unrealized gains, 5 to 10 years | 0 | 249
Gross unrealized losses, within 1 year | (200) | 0
Gross unrealized losses, 1 to 5 years | (2,748) | 0
Gross unrealized losses, 5 to 10 years | (24,124) | 0
Fair Value, Available-for-sale securities |  |
Within 1 year | 74,804 | 233,788
1 to 5 years | 148,663 | 88,147
5 to 10 years | $ 90,290 | $ 29,053
Yield, Available-for-sale securities |  |
Within 1 year | 3.74% | 1.57%
1 to 5 years | 3.59% | 4.64%
5 to 10 years | 3.87% | 1.95%
Municipal bonds |  |
Amortized Cost, Available-for-sale securities |  |
Within 1 year |  | $ 1,493
5 to 10 years | $ 5,751 | 5,781
Over 10 years | 29,871 | 29,909
Gross Unrealized Gains / Losses, Available-for-sale securities |  |
Gross unrealized gains, within 1 year |  | 17
Gross unrealized gains, 5 to 10 years | 0 | 294
Gross unrealized gains, over 10 years | 400 | 2,490
Gross unrealized losses, within 1 year |  | 0
Gross unrealized losses, 5 to 10 years | (361) | 0
Gross unrealized losses, over 10 years | (699) | 0
Fair Value, Available-for-sale securities |  |
Within 1 year |  | 1,510
5 to 10 years | 5,390 | 6,075
Over 10 years | $ 29,572 | $ 32,399
Yield, Available-for-sale securities |  |
Within 1 year |  | 0.00%
5 to 10 years | 3.00% | 0.22%
Over 10 years | 5.85% | 5.85%
Agency pass-through certificates |  |
Amortized Cost, Available-for-sale securities |  |
Without single maturity date | $ 971,916 | $ 585,121
Gross Unrealized Gains / Losses, Available-for-sale securities |  |
Gross unrealized gains, without single maturity date | 117 | 23,717
Gross unrealized losses, without single maturity date | (76,070) | (2,011)
Fair Value, Available-for-sale securities |  |
Without single maturity date | $ 895,963 | $ 606,827
Yield, Available-for-sale securities |  |
Without single maturity date | 2.81% | 2.60%
Amortized Cost, Held-to-maturity securities |  |
Without single maturity date | $ 463,299 | $ 366,025
Gross Unrealized Gains / Losses, Held-to-maturity securities |  |
Gross unrealized gains, without single maturity date | 22 | 13,522
Gross unrealized losses, without single maturity date | (56,461) | 0
Fair Value, Held-to-maturity securities |  |
Without single maturity date | $ 406,860 | $ 379,547
Yield, Held-to-maturity securities |  |
Without single maturity date | 2.88% | 3.17%

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