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SECURITIES - Summary of Residential Securities and CMBS (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 USD ($)
Debt Securities, Available-For-Sale [Roll Forward] |
Beginning balance January 1, 2022 | $ 63,655,674
Purchases | 46,462,100
Sales and transfers | (29,182,033)
Principal paydowns | (9,467,555)
(Amortization) / accretion | (45,650)
Fair value adjustment | (5,632,629)
Ending balance December 31, 2022 | 65,789,907
Agency Securities |
Debt Securities, Available-For-Sale [Roll Forward] |
Beginning balance January 1, 2022 | 60,525,605
Purchases | 44,470,550
Sales and transfers | (28,360,527)
Principal paydowns | (8,942,437)
(Amortization) / accretion | (53,880)
Fair value adjustment | (5,364,416)
Ending balance December 31, 2022 | 62,274,895
Residential Credit Securities |
Debt Securities, Available-For-Sale [Roll Forward] |
Beginning balance January 1, 2022 | 2,599,564
Purchases | 1,728,916
Sales and transfers | (573,571)
Principal paydowns | (520,743)
(Amortization) / accretion | 7,403
Fair value adjustment | (252,866)
Ending balance December 31, 2022 | 2,988,703
Commercial mortgage-backed securities |
Debt Securities, Available-For-Sale [Roll Forward] |
Beginning balance January 1, 2022 | 530,505
Purchases | 262,634
Sales and transfers | (247,935)
Principal paydowns | (4,375)
(Amortization) / accretion | 827
Fair value adjustment | (15,347)
Ending balance December 31, 2022 | $ 526,309

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