TWO Quarterly report pursuant to Section 13 or 15(d)

Schedule of Available-for-sale Securities Reconciliation (Details)

Schedule of Available-for-sale Securities Reconciliation (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Jun. 30, 2020	Jan. 01, 2020	Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]
Principal/Current Face	$ 19,946,753			$ 38,696,494
Unamortized Premium	837,047			1,245,069
Accretable Purchase Discount	52			560,159
Credit Reserve Purchase Discount				1,711,951
Amortized Cost	15,879,431			30,711,157
Allowance for Credit Losses	(25,495)	$ (42,583)	$ (244,876)	0
Unrealized Gain	734,677			783,164
Unrealized Loss	14,292			87,993
Available-for-sale securities, at fair value	16,574,321			31,406,328
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Debt Securities, Available-for-sale [Line Items]
Principal/Current Face	17,229,741			28,841,237
Unamortized Premium	814,634			1,156,154
Accretable Purchase Discount	14			19
Credit Reserve Purchase Discount				0
Amortized Cost	15,854,627			27,395,679
Allowance for Credit Losses	(19,241)	30,634	0
Unrealized Gain	734,474			438,542
Unrealized Loss	13,532			56,166
Available-for-sale securities, at fair value	16,556,328			27,778,055
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Debt Securities, Available-for-sale [Line Items]
Principal/Current Face	2,717,012			9,855,257
Unamortized Premium	22,413			88,915
Accretable Purchase Discount	38			560,140
Credit Reserve Purchase Discount				1,711,951
Amortized Cost	24,804			3,315,478
Allowance for Credit Losses	(6,254)	$ 11,949	$ 244,876
Unrealized Gain	203			344,622
Unrealized Loss	760			31,827
Available-for-sale securities, at fair value	17,993			3,628,273
Interest-Only-Strip [Member] \| Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Debt Securities, Available-for-sale [Line Items]
Principal/Current Face	2,189,734			2,601,693
Unamortized Premium	126,068			169,811
Accretable Purchase Discount	0			0
Credit Reserve Purchase Discount				0
Amortized Cost	126,068			169,811
Allowance for Credit Losses	(19,241)
Unrealized Gain	12,298			13,724
Unrealized Loss	13,183			47,351
Available-for-sale securities, at fair value	105,942			136,184
Interest-Only-Strip [Member] \| Mortgage-backed Securities, Issued by Private Enterprises [Member]
Debt Securities, Available-for-sale [Line Items]
Principal/Current Face	2,714,583			4,356,603
Unamortized Premium	22,406			79,935
Accretable Purchase Discount	0			0
Credit Reserve Purchase Discount				0
Amortized Cost	22,406			79,935
Allowance for Credit Losses	(6,254)
Unrealized Gain	62			3,039
Unrealized Loss	760			8,564
Available-for-sale securities, at fair value	15,454			74,410
Fixed Income Securities [Member] \| Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Debt Securities, Available-for-sale [Line Items]
Principal/Current Face	15,040,007			26,239,544
Unamortized Premium	688,566			986,343
Accretable Purchase Discount	14			19
Credit Reserve Purchase Discount				0
Amortized Cost	15,728,559			27,225,868
Allowance for Credit Losses	0
Unrealized Gain	722,176			424,818
Unrealized Loss	349			8,815
Available-for-sale securities, at fair value	16,450,386			27,641,871
Fixed Income Securities [Member] \| Mortgage-backed Securities, Issued by Private Enterprises [Member]
Debt Securities, Available-for-sale [Line Items]
Principal/Current Face	2,429			5,498,654
Unamortized Premium	7			8,980
Accretable Purchase Discount	38			560,140
Credit Reserve Purchase Discount				1,711,951
Amortized Cost	2,398			3,235,543
Allowance for Credit Losses	0
Unrealized Gain	141			341,583
Unrealized Loss	0			23,263
Available-for-sale securities, at fair value	$ 2,539			$ 3,553,863