SECURITIES - Weighted Average Life (Details) - USD ($) $ in Thousands		Sep. 30, 2020	Dec. 31, 2019
Estimated Fair Value
Total	[1]	$ 76,098,985	$ 114,833,580	[2]
Amortized Cost
Total		72,763,833	112,863,385
Total Residential Securities
Estimated Fair Value
Less than one year		816,998	3,997
Greater than one year through five years		50,911,159	36,290,254
Greater than five years through ten years		23,073,677	77,732,756
Greater than ten years		1,242,473	533,550
Total		76,044,307	114,560,557
Amortized Cost
Less than one year		799,272	4,543
Greater than one year through five years		48,461,791	35,581,833
Greater than five years through ten years		22,217,393	76,504,845
Greater than ten years		1,228,550	506,719
Total		$ 72,707,006	$ 112,597,940

[1] Excludes $50.3 million and $102.5 million at September 30, 2020 and December 31, 2019, respectively, of Agency mortgage-backed securities, $544.0 million and $468.0 million at September 30, 2020 and December 31, 2019, respectively, of non-Agency mortgage-backed securities and $392.6 million and $500.3 million at September 30, 2020 and December 31, 2019, respectively, of commercial mortgage-backed securities in consolidated VIEs pledged as collateral and eliminated from the Company’s Consolidated Statements of Financial Condition.

[2] Derived from the audited consolidated financial statements at December 31, 2019.