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	Mar. 31, 2020	Jan. 01, 2020	Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]
Principal/Current Face	$ 22,550,682		$ 38,696,494
Unamortized Premium	960,964		1,245,069
Accretable Purchase Discount	58		560,159
Credit Reserve Purchase Discount			1,711,951
Amortized Cost	17,279,572		30,711,156
Allowance for Credit Losses	(41,390)	$ (244,876)	0
Unrealized Gain	519,572		783,164
Unrealized Loss	24,695		87,993
Available-for-sale securities, at fair value	17,733,059		31,406,328
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Debt Securities, Available-for-sale [Line Items]
Principal/Current Face	18,777,654		28,841,237
Unamortized Premium	923,175		1,156,154
Accretable Purchase Discount	17		19
Credit Reserve Purchase Discount			0
Amortized Cost	17,239,233		27,395,679
Allowance for Credit Losses	(32,786)	0
Unrealized Gain	519,249		438,542
Unrealized Loss	19,037		56,166
Available-for-sale securities, at fair value	17,706,659		27,778,055
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Debt Securities, Available-for-sale [Line Items]
Principal/Current Face	3,773,028		9,855,257
Unamortized Premium	37,789		88,915
Accretable Purchase Discount	41		560,140
Credit Reserve Purchase Discount			1,711,951
Amortized Cost	40,339		3,315,478
Allowance for Credit Losses	(8,604)	$ (244,876)
Unrealized Gain	323		344,622
Unrealized Loss	5,658		31,827
Available-for-sale securities, at fair value	26,400		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	2,461,579		2,601,693
Unamortized Premium	158,209		169,811
Accretable Purchase Discount	0		0
Credit Reserve Purchase Discount			0
Amortized Cost	158,209		169,811
Allowance for Credit Losses	(32,786)
Unrealized Gain	14,194		13,724
Unrealized Loss	17,946		47,351
Available-for-sale securities, at fair value	121,671		136,184
Interest-Only-Strip [Member] \| Mortgage-backed Securities, Issued by Private Enterprises [Member]
Debt Securities, Available-for-sale [Line Items]
Principal/Current Face	3,770,437		4,356,603
Unamortized Premium	37,781		79,935
Accretable Purchase Discount	0		0
Credit Reserve Purchase Discount			0
Amortized Cost	37,781		79,935
Allowance for Credit Losses	(8,604)
Unrealized Gain	279		3,039
Unrealized Loss	5,649		8,564
Available-for-sale securities, at fair value	23,807		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	16,316,075		26,239,544
Unamortized Premium	764,966		986,343
Accretable Purchase Discount	17		19
Credit Reserve Purchase Discount			0
Amortized Cost	17,081,024		27,225,868
Allowance for Credit Losses	0
Unrealized Gain	505,055		424,818
Unrealized Loss	1,091		8,815
Available-for-sale securities, at fair value	17,584,988		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	2,591		5,498,654
Unamortized Premium	8		8,980
Accretable Purchase Discount	41		560,140
Credit Reserve Purchase Discount			1,711,951
Amortized Cost	2,558		3,235,543
Allowance for Credit Losses	0
Unrealized Gain	44		341,583
Unrealized Loss	9		23,263
Available-for-sale securities, at fair value	$ 2,593		$ 3,553,863