SECURITIES - Weighted Average Life (Details) - USD ($) $ in Thousands		Mar. 31, 2020	Dec. 31, 2019
Estimated Fair Value
Total	[1]	$ 79,357,596	$ 114,833,580	[2]
Amortized Cost
Total		76,947,610	112,863,385
Total Residential Securities
Estimated Fair Value
Less than one year		11,969	3,997
Greater than one year through five years		58,521,294	36,290,254
Greater than five years through ten years		20,265,852	77,732,756
Greater than ten years		466,556	533,550
Total		79,265,671	114,560,557
Amortized Cost
Less than one year		12,185	4,543
Greater than one year through five years		56,615,526	35,581,833
Greater than five years through ten years		19,706,235	76,504,845
Greater than ten years		506,734	506,719
Total		$ 76,840,680	$ 112,597,940

[1] Excludes $127.7 million and $102.5 million at March 31, 2020 and December 31, 2019, respectively, of Agency mortgage-backed securities, $412.0 million and $468.0 million at March 31, 2020 and December 31, 2019, respectively, of non-Agency mortgage-backed securities and $367.6 million and $500.3 million at March 31, 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.