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SECURITIES - Summary of Residential Securities and CMBS (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 USD ($)
Debt Securities, Available-For-Sale [Roll Forward] |
Beginning balance | $ 114,833,580
Purchases | 33,107,404
Sales and transfers | (52,571,156)
Principal paydowns | (19,536,638)
(Amortization) / accretion | (1,373,838)
Fair value adjustment | 1,193,044
Ending balance | 75,652,396
Residential Securities |
Debt Securities, Available-For-Sale [Roll Forward] |
Beginning balance | 114,560,557
Purchases | 33,082,119
Sales and transfers | (52,367,095)
Principal paydowns | (19,531,705)
(Amortization) / accretion | (1,374,490)
Fair value adjustment | 1,202,268
Ending balance | 75,571,654
Commercial Securities |
Debt Securities, Available-For-Sale [Roll Forward] |
Beginning balance | 273,023
Purchases | 25,285
Sales and transfers | (204,061)
Principal paydowns | (4,933)
(Amortization) / accretion | 652
Fair value adjustment | (9,224)
Ending balance | $ 80,742

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