SECURITIES - Weighted Average Life (Details) - USD ($) $ in Thousands		Jun. 30, 2019	Dec. 31, 2018
Estimated Fair Value
Total	[1]	$ 119,926,869	$ 92,623,788	[2]
Amortized Cost
Total		118,662,277	94,853,660
Residential Investments
Estimated Fair Value
Less than one year		19,692	13,447
Greater than one year through five years		43,936,556	11,710,172
Greater than five years through ten years		75,675,118	80,202,479
Greater than ten years		160,395	540,932
Total		119,791,761	92,467,030
Amortized Cost
Less than one year		19,917	13,670
Greater than one year through five years		43,160,455	11,928,973
Greater than five years through ten years		75,202,911	82,218,464
Greater than ten years		150,439	536,594
Total		$ 118,533,722	$ 94,697,701

[1] ⁽³⁾  Excludes $327.9 million and $83.6 million at June 30, 2019 and December 31, 2018, respectively, of non-Agency mortgage-backed securities and $168.0 million and $224.3 million at June 30, 2019 and December 31, 2018, respectively, of commercial mortgage-backed securities in consolidated VIEs pledged as collateral and eliminated from the Company’s Consolidated Statements of Financial Condition.

[2] ⁽¹⁾  Derived from the audited consolidated financial statements at December 31, 2018.