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

Available-for-Sale Securities, Weighted Average Life Classifications (Details)

v3.19.1

Available-for-Sale Securities, Weighted Average Life Classifications (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Debt Securities, Available-for-sale [Line Items]
Less than or equal to 1 year	$ 45,677
Greater than 1 year and less than or equal to 3 years	233,461
Greater than 3 years and less than or equal to 5 years	1,902,679
Greater than 5 years and less than or equal to 10 years	22,371,663
Greater than 10 years	524,230
Available-for-sale securities, at fair value	25,077,710	$ 25,552,604
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Debt Securities, Available-for-sale [Line Items]
Less than or equal to 1 year	7,221
Greater than 1 year and less than or equal to 3 years	58,316
Greater than 3 years and less than or equal to 5 years	1,584,028
Greater than 5 years and less than or equal to 10 years	19,875,073
Greater than 10 years	8,560
Available-for-sale securities, at fair value	21,533,198	21,685,033
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Debt Securities, Available-for-sale [Line Items]
Less than or equal to 1 year	38,456
Greater than 1 year and less than or equal to 3 years	175,145
Greater than 3 years and less than or equal to 5 years	318,651
Greater than 5 years and less than or equal to 10 years	2,496,590
Greater than 10 years	515,670
Available-for-sale securities, at fair value	$ 3,544,512	$ 3,867,571

- Definition

Fair value of available-for-sale debt securities maturing in the second fiscal year through the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

No definition available.

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- Definition

Fair value of available-for-sale debt securities maturing in the fourth fiscal year through the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

No definition available.

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- Definition

Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.

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- Definition

Fair value of investment in debt security, measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing after tenth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.

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Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), maturing in next fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date.

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- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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- Definition

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+ References

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