Federal Home Loan Bank of Topeka 10-Q 8 Aug 17 2017 Q2 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2017	Aug. 04, 2017
Entity Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2017
Document Fiscal Year Focus	2,017
Document Fiscal Period Focus	Q2
Entity Registrant Name	Federal Home Loan Bank of Topeka
Entity Central Index Key	1,325,878
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Class A [Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		2,002,648
Class B [Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		14,206,491

Statements Of Condition

Statements Of Condition - USD ($) $ in Thousands		Jun. 30, 2017	Dec. 31, 2016
ASSETS
Cash and due from banks		$ 492,290	$ 207,254
Interest-bearing deposits		431,053	387,920
Securities purchased under agreements to resell (Note 10)		2,650,000	2,400,000
Federal funds sold		3,520,000	2,725,000
Investment securities:
Trading securities (Note 3)		2,999,289	2,502,788
Available-for-sale securities (Note 3)		1,227,036	1,091,721
Held-to-maturity securities1 (Note 3)	[1]	4,928,406	4,502,224
Total investment securities		9,154,731	8,096,733
Advances (Notes 4, 6)		26,443,416	23,985,835
Mortgage loans held for portfolio, net:
Mortgage loans held for portfolio (Notes 5, 6)		6,841,417	6,642,399
Less allowance for credit losses on mortgage loans (Note 6)		(1,525)	(1,674)
Mortgage loans held for portfolio, net		6,839,892	6,640,725
Overnight loans to other FHLBanks		0	600,000
Accrued interest receivable		77,308	68,400
Premises, software and equipment, net		28,715	16,205
Derivative assets, net (Notes 7, 10)		56,543	60,900
Other assets		47,590	27,777
TOTAL ASSETS		49,741,538	45,216,749
LIABILITIES
Deposits (Note 8)		496,015	598,931
Consolidated obligations, net:
Discount notes (Note 9)		23,955,782	21,775,341
Bonds (Note 9)		22,882,026	20,722,335
Total consolidated obligations, net		46,837,808	42,497,676
Mandatorily redeemable capital stock (Note 11)		6,186	2,670
Accrued interest payable		50,517	49,808
Affordable Housing Program payable		39,451	33,242
Derivative liabilities, net (Notes 7, 10)		4,055	7,171
Other liabilities		70,101	64,803
TOTAL LIABILITIES		47,504,133	43,254,301
Commitments and contingencies (Note 14)
Capital stock outstanding - putable:
Total capital stock (Notes 11)	[2]	1,433,620	1,226,675
Retained earnings:
Unrestricted		646,569	611,226
Restricted		143,837	123,970
Total retained earnings		790,406	735,196
Accumulated other comprehensive income (loss) (Note 12)		13,379	577
TOTAL CAPITAL		2,237,405	1,962,448
TOTAL LIABILITIES AND CAPITAL		49,741,538	45,216,749
Class A [Member]
Capital stock outstanding - putable:
Total capital stock (Notes 11)	[2]	213,972	162,143
Class B [Member]
Capital stock outstanding - putable:
Total capital stock (Notes 11)	[2]	$ 1,219,648	$ 1,064,532
[1]	Fair value: $4,927,860 and $4,487,252 as of June 30, 2017 and December 31, 2016, respectively.
[2]	Putable

Statements Of Condition (Parent

Statements Of Condition (Parenthetical) - USD ($) shares in Thousands, $ in Thousands		Jun. 30, 2017	Dec. 31, 2016
Investment securities:
Held-to-maturity Securities, Fair Value		$ 4,927,860	$ 4,487,252
Capital stock outstanding - putable:
Common Stock, par value per share		$ 100
Class A [Member]
Capital stock outstanding - putable:
Common Stock, par value per share	[1]	$ 100	$ 100
Common Stock, Shares, Issued	[1]	2,140	1,621
Common Stock, Shares Outstanding	[1]	2,140	1,621
Class B [Member]
Capital stock outstanding - putable:
Common Stock, par value per share	[1]	$ 100	$ 100
Common Stock, Shares, Issued	[1]	12,196	10,645
Common Stock, Shares Outstanding	[1]	12,196	10,645
[1]	Putable

Statements Of Income

Statements Of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
INTEREST INCOME:
Interest-bearing deposits	$ 995	$ 454	$ 1,643	$ 786
Securities purchased under agreements to resell	5,017	2,548	9,167	5,577
Federal funds sold	7,385	1,417	11,675	2,812
Trading securities	15,166	17,949	30,095	36,130
Available-for-sale securities	5,192	2,797	9,624	4,819
Held-to-maturity securities	17,546	11,799	32,398	23,331
Advances	95,246	56,722	168,133	109,921
Prepayment fees on terminated advances, net	300	120	1,170	609
Mortgage loans held for portfolio	49,948	50,992	102,526	103,293
Other	283	314	584	641
Total interest income	197,078	145,112	367,015	287,919
INTEREST EXPENSE:
Deposits	796	234	1,378	460
Consolidated obligations:
Discount notes	57,495	24,272	92,983	45,179
Bonds	73,379	56,318	140,482	113,047
Mandatorily redeemable capital stock (Note 11)	52	32	66	41
Other	79	74	157	140
Total interest expense	131,801	80,930	235,066	158,867
NET INTEREST INCOME	65,277	64,182	131,949	129,052
(Reversal) provision for credit losses on mortgage loans (Note 6)	20	(212)	(25)	(469)
NET INTEREST INCOME AFTER LOAN LOSS (REVERSAL) PROVISION	65,257	64,394	131,974	129,521
OTHER INCOME (LOSS):
Total other-than-temporary impairment losses on held-to-maturity securities	(6)	(1)	(10)	(65)
Net amount of impairment losses on held-to-maturity securities reclassified to/(from) accumulated other comprehensive income (loss)	(81)	(4)	(114)	33
Net other-than-temporary impairment losses on held-to-maturity securities (Note 3)	(87)	(5)	(124)	(32)
Net gain (loss) on trading securities (Note 3)	8,394	18,526	13,081	67,730
Net gain (loss) on derivatives and hedging activities (Note 7)	(9,962)	(35,296)	(9,359)	(93,782)
Standby bond purchase agreement commitment fees	1,181	1,332	2,341	2,712
Letters of credit fees	972	903	1,910	1,755
Other	650	653	1,184	1,214
Total other income (loss)	1,148	(13,887)	9,033	(20,403)
OTHER EXPENSES:
Compensation and benefits	8,937	8,711	17,366	16,462
Other operating	4,135	4,289	7,865	7,630
Federal Housing Finance Agency	696	698	1,448	1,507
Office of Finance	684	640	1,462	1,352
Other	1,261	941	2,488	1,967
Total other expenses	15,713	15,279	30,629	28,918
INCOME BEFORE ASSESSMENTS	50,692	35,228	110,378	80,200
Affordable Housing Program	5,074	3,526	11,044	8,024
NET INCOME	$ 45,618	$ 31,702	$ 99,334	$ 72,176

Statements Of Comprehensive Inc

Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Net income	$ 45,618	$ 31,702	$ 99,334	$ 72,176
Net unrealized gain (loss) on available-for-sale securities:
Unrealized gain (loss)	3,382	(2,440)	11,867	2,302
Total net unrealized gain (loss) on available-for-sale securities	3,382	(2,440)	11,867	2,302
Net non-credit portion of other-than-temporary impairment losses on held-to-maturity securities:
Non-credit portion	0	0	(4)	(62)
Reclassification of non-credit portion included in net income	81	4	118	29
Accretion of non-credit portion	330	525	706	1,075
Total net non-credit portion of other-than-temporary impairment losses on held-to-maturity securities	411	529	820	1,042
Defined benefit pension plan:
Amortization of net loss	58	48	115	95
Total defined benefit pension plan	58	48	115	95
Total other comprehensive income (loss)	3,851	(1,863)	12,802	3,439
TOTAL COMPREHENSIVE INCOME	$ 49,469	$ 29,839	$ 112,136	$ 75,615

Statements Of Capital

Statements Of Capital - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Balance at the beginning of the period				$ 1,962,448	$ 1,841,752
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income		$ 49,469	$ 29,839	112,136	75,615
Proceeds from issuance of capital stock				854,748	669,813
Repurchase/redemption of capital stock				(267,881)	(218,044)
Net reclassification of shares to mandatorily redeemable capital stock		(250,518)	(191,986)	(423,913)	(352,220)
Net transfer of shares between Class A and Class B				0	0
Dividends on capital stock
Cash payment				(133)	(145)
Stock issued				0	0
Balance at the end of the period		$ 2,237,405	$ 2,016,771	$ 2,237,405	$ 2,016,771
Capital Stock [Member]
Shares, beginning balance	[1]			12,266	12,090
Balance at the beginning of the period	[1]			$ 1,226,675	$ 1,208,947
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Proceeds from issuance of capital stock, shares	[1]			8,548	6,698
Proceeds from issuance of capital stock	[1]			$ 854,748	$ 669,813
Repurchase/redemption of capital stock, shares	[1]			(2,679)	(2,180)
Repurchase/redemption of capital stock	[1]			$ (267,881)	$ (218,044)
Net reclassification of shares to mandatorily redeemable capital stock, shares	[1]			(4,239)	(3,523)
Net reclassification of shares to mandatorily redeemable capital stock	[1]			$ (423,913)	$ (352,220)
Net transfer of shares between Class A and Class B, shares	[1]			0	0
Net transfer of shares between Class A and Class B	[1]			$ 0	$ 0
Dividends on capital stock
Stock issued, shares	[1]			440	388
Stock issued	[1]			$ 43,991	$ 38,784
Shares, ending balance	[1]	14,336	13,473	14,336	13,473
Balance at the end of the period	[1]	$ 1,433,620	$ 1,347,280	$ 1,433,620	$ 1,347,280
Total Retained Earnings [Member]
Balance at the beginning of the period				735,196	651,782
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income				99,334	72,176
Dividends on capital stock
Cash payment				(133)	(145)
Stock issued				(43,991)	(38,784)
Balance at the end of the period		790,406	685,029	790,406	685,029
Unrestricted Retained Earnings [Member]
Balance at the beginning of the period				611,226	560,166
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income				79,467	57,741
Dividends on capital stock
Cash payment				(133)	(145)
Stock issued				(43,991)	(38,784)
Balance at the end of the period		646,569	578,978	646,569	578,978
Restricted Retained Earnings [Member]
Balance at the beginning of the period				123,970	91,616
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income				19,867	14,435
Dividends on capital stock
Balance at the end of the period		143,837	106,051	143,837	106,051
Accumulated Other Comprehensive Income (Loss) [Member]
Balance at the beginning of the period				577	(18,977)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income				12,802	3,439
Dividends on capital stock
Balance at the end of the period		$ 13,379	$ (15,538)	$ 13,379	$ (15,538)
Class A [Member] | Capital Stock [Member]
Shares, beginning balance	[1]			1,621	1,797
Balance at the beginning of the period	[1]			$ 162,143	$ 179,683
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Proceeds from issuance of capital stock, shares	[1]			7	25
Proceeds from issuance of capital stock	[1]			$ 678	$ 2,520
Repurchase/redemption of capital stock, shares	[1]			(2,672)	(2,166)
Repurchase/redemption of capital stock	[1]			$ (267,239)	$ (216,635)
Net reclassification of shares to mandatorily redeemable capital stock, shares	[1]			(27)	(199)
Net reclassification of shares to mandatorily redeemable capital stock	[1]			$ (2,758)	$ (19,858)
Net transfer of shares between Class A and Class B, shares	[1]			3,211	2,422
Net transfer of shares between Class A and Class B	[1]			$ 321,148	$ 242,185
Dividends on capital stock
Shares, ending balance	[1]	2,140	1,879	2,140	1,879
Balance at the end of the period	[1]	$ 213,972	$ 187,895	$ 213,972	$ 187,895
Class B [Member] | Capital Stock [Member]
Shares, beginning balance	[1]			10,645	10,293
Balance at the beginning of the period	[1]			$ 1,064,532	$ 1,029,264
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Proceeds from issuance of capital stock, shares	[1]			8,541	6,673
Proceeds from issuance of capital stock	[1]			$ 854,070	$ 667,293
Repurchase/redemption of capital stock, shares	[1]			(7)	(14)
Repurchase/redemption of capital stock	[1]			$ (642)	$ (1,409)
Net reclassification of shares to mandatorily redeemable capital stock, shares	[1]			(4,212)	(3,324)
Net reclassification of shares to mandatorily redeemable capital stock	[1]			$ (421,155)	$ (332,362)
Net transfer of shares between Class A and Class B, shares	[1]			(3,211)	(2,422)
Net transfer of shares between Class A and Class B	[1]			$ (321,148)	$ (242,185)
Dividends on capital stock
Stock issued, shares	[1]			440	388
Stock issued	[1]			$ 43,991	$ 38,784
Shares, ending balance	[1]	12,196	11,594	12,196	11,594
Balance at the end of the period	[1]	$ 1,219,648	$ 1,159,385	$ 1,219,648	$ 1,159,385
[1]	Putable

Statements Of Capital (Parenthe

Statements Of Capital (Parenthetical) - Capital Stock [Member]	6 Months Ended
	Jun. 30, 2017Rate	Jun. 30, 2016Rate
Class A [Member]
Stock dividend rate percentage	1.00%	1.00%
Class B [Member]
Stock dividend rate percentage	6.50%	6.00%

Statements Of Cash Flows

Statements Of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 99,334	$ 72,176
Adjustments to reconcile income (loss) to net cash provided by (used in) operating activities:
Premiums and discounts on consolidated obligations, net	5,834	(279)
Concessions on consolidated obligations	2,385	6,550
Premiums and discounts on investments, net	2,118	1,039
Premiums, discounts and commitment fees on advances, net	(2,985)	(3,204)
Premiums, discounts and deferred loan costs on mortgage loans, net	12,314	9,171
Fair value adjustments on hedged assets or liabilities	2,514	2,838
Premises, software and equipment	1,051	1,032
Other	115	95
(Reversal) provision for credit losses on mortgage loans	(25)	(469)
Non-cash interest on mandatorily redeemable capital stock	65	37
Net other-than-temporary impairment losses on held-to-maturity securities	124	32
Net realized (gain) loss on sale of premises and equipment	76	(39)
Other adjustments	8	(386)
Net (gain) loss on trading securities	(13,081)	(67,730)
(Gain) loss due to change in net fair value adjustment on derivative and hedging activities	5,521	101,902
(Increase) decrease in accrued interest receivable	(8,920)	1,295
Change in net accrued interest included in derivative assets	(311)	(3,462)
(Increase) decrease in other assets	(4,778)	(1,805)
Increase (decrease) in accrued interest payable	711	(8,746)
Change in net accrued interest included in derivative liabilities	(1,310)	537
Increase (decrease) in Affordable Housing Program liability	6,209	3,050
Increase (decrease) in other liabilities	(4,669)	(2,912)
Total adjustments	2,966	38,546
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES	102,300	110,722
CASH FLOWS FROM INVESTING ACTIVITIES:
Net (increase) decrease in interest-bearing deposits	(30,641)	(438,106)
Net (increase) decrease in securities purchased under resale agreements	(250,000)	951,573
Net (increase) decrease in Federal funds sold	(795,000)	177,000
Net (increase) decrease in short-term trading securities	(600,000)	0
Proceeds from maturities of and principal repayments on long-term trading securities	116,580	260,818
Purchases of long-term trading securities	0	(393,445)
Proceeds from maturities of and principal repayments on long-term available-for-sale securities	2,608	1,206
Purchases of long-term available-for-sale securities	(123,072)	(519,528)
Proceeds from maturities of and principal repayments on long-term held-to-maturity securities	590,656	374,708
Purchases of long-term held-to-maturity securities	(1,023,784)	(291,225)
Principal collected on advances	249,243,765	62,092,887
Advances made	(251,714,909)	(64,622,951)
Principal collected on mortgage loans	454,880	468,194
Purchases of mortgage loans	(667,033)	(558,419)
Proceeds from sale of foreclosed assets	894	2,719
Purchases of other long-term assets	(16,500)	0
Principal collected on other loans made	1,248	1,167
Net (increase) decrease in loans to other FHLBanks	600,000	0
Proceeds from sale of premises, software and equipment	48	1
Purchases of premises, software and equipment	(12,690)	(3,177)
NET CASH PROVIDED BY (USED IN) INVESTING ACTIVITIES	(4,222,950)	(2,496,578)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net increase (decrease) in deposits	(97,833)	(119,812)
Net proceeds from issuance of consolidated obligations:
Discount notes	470,882,328	265,946,231
Bonds	7,902,828	8,111,112
Payments for maturing and retired consolidated obligations:
Discount notes	(468,714,770)	(260,877,617)
Bonds	(5,737,680)	(11,227,650)
Net increase (decrease) in other borrowings	16,500	0
Proceeds from financing derivatives	0	14,600
Net interest payments received (paid) for financing derivatives	(11,959)	(30,639)
Proceeds from issuance of capital stock	854,748	669,813
Payments for repurchase/redemption of capital stock	(267,881)	(218,044)
Payments for repurchase of mandatorily redeemable capital stock	(420,462)	(350,640)
Cash dividends paid	(133)	(145)
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES	4,405,686	1,917,209
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	285,036	(468,647)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	207,254	682,670
CASH AND CASH EQUIVALENTS AT END OF PERIOD	492,290	214,023
Supplemental disclosures:
Interest paid	222,676	157,187
Affordable Housing Program payments	5,010	5,352
Net transfers of mortgage loans to other assets	1,324	627
Change in capital expenditures incurred but reserved for construction holdback	$ 995	$ 0

Basis of Presentation

Basis of Presentation	6 Months Ended
	Jun. 30, 2017
Accounting Policies [Abstract]
Basis of Presentation	BASIS OF PRESENTATION Basis of Presentation: The accompanying interim financial statements of the Federal Home Loan Bank of Topeka (FHLBank or FHLBank Topeka) are unaudited and have been prepared in accordance with accounting principles generally accepted in the United States of America (GAAP) for interim financial information and with the instruction provided by Article 10, Rule 10-01 of Regulation S-X. The financial statements contain all adjustments which are, in the opinion of management, necessary for a fair statement of the FHLBank’s financial position, results of operations and cash flows for the interim periods presented. All such adjustments were of a normal recurring nature. The results of operations for the periods presented are not necessarily indicative of the results to be expected for the full fiscal year or any other interim period. The FHLBank’s significant accounting policies and certain other disclosures are set forth in the notes to the audited financial statements for the year ended December 31, 2016 . The interim financial statements presented herein should be read in conjunction with the FHLBank’s audited financial statements and notes thereto, which are included in the FHLBank’s annual report on Form 10-K filed with the Securities and Exchange Commission (SEC) on March 9, 2017 (annual report on Form 10-K). The notes to the interim financial statements highlight significant changes to the notes included in the annual report on Form 10-K. Use of Estimates : The preparation of financial statements under GAAP requires management to make estimates and assumptions as of the date of the financial statements in determining the reported amounts of assets, liabilities and estimated fair values and in determining the disclosure of any contingent assets or liabilities. Estimates and assumptions by management also affect the reported amounts of income and expense during the reporting period. The most significant of these estimates include the fair value of trading and available-for-sale securities, the fair value of derivatives and the allowance for credit losses. Many of the estimates and assumptions, including those used in financial models, are based on financial market conditions as of the date of the financial statements. Because of the volatility of the financial markets, as well as other factors that affect management estimates, actual results may vary from these estimates. Derivatives: All derivatives are recognized on the Statements of Condition at their fair values (including net accrued interest receivable or payable on the derivatives) and are reported as either derivative assets or derivative liabilities, net of cash collateral, including initial and variation margin, and accrued interest received or pledged by clearing agents and/or counterparties. The fair values of derivatives are netted by clearing agent or counterparty when the netting requirements have been met. If these netted amounts are positive, they are classified as an asset and, if negative, they are classified as a liability. Cash flows associated with derivatives are reflected as cash flows from operating activities in the Statements of Cash Flows unless the derivative meets the criteria to be a financing derivative. The FHLBank utilizes two Derivative Clearing Organizations (Clearinghouses) for all cleared derivative transactions, LCH.Clearnet LLC and CME Clearing. Effective January 3, 2017, CME Clearing made certain amendments to its rulebook changing the legal characterization of variation margin payments to be daily settlement payments rather than collateral. Variation margin payments related to LCH.Clearnet LLC contracts continue to be characterized as cash collateral. At both Clearinghouses, initial margin is considered cash collateral.

Recently Issued Accounting Stan

Recently Issued Accounting Standards And Interpretations And Changes In And Adoptions Of Accounting Principles (Notes)	6 Months Ended
	Jun. 30, 2017
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]
Recently Issued Accounting Standards And Interpretations And Changes In And Adoptions Of Accounting Principles	RECENTLY ISSUED ACCOUNTING STANDARDS AND INTERPRETATIONS AND CHANGES IN AND ADOPTIONS OF ACCOUNTING PRINCIPLES Premium Amortization on Purchased Callable Debt Securities. In March 2017, Financial Accounting Standards Board (FASB) issued an amendment to shorten the amortization period of any premium on callable debt securities to the first call date instead of over the contractual life of the instrument. The amendment does not require an accounting change for securities held at a discount; the discount continues to be amortized to maturity. The guidance is intended to reduce diversity in practice in the amortization of premiums and the consideration of how the potential of a security being called is factored into current impairment assessments. The amendment also intends to more closely align the amortization of premiums and discounts to the expectations incorporated into the market pricing of the instrument. The amendment will be effective for annual periods, and interim periods within those annual periods, beginning after December 15, 2018, which is January 1, 2019 for the FHLBank, and early adoption is permitted. This guidance should be applied using a modified retrospective method through a cumulative-effect adjustment directly to retained earnings as of the beginning of the period of adoption. The adoption of this guidance is not expected to have a material effect on the FHLBank's financial condition, results of operations or cash flows. Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost. In March 2017, FASB issued an amendment to improve the presentation of net periodic pension cost and net periodic postretirement benefit cost. The amendment requires that the employer disaggregate the service cost component and the other components of net benefit cost and allow only the service cost component of net benefit cost to be eligible for capitalization. The amendment is intended to provide transparency, consistency, and usefulness to users of financial statements. The amendment will be effective for annual periods, and interim periods within those annual periods, beginning after December 15, 2017, which is January 1, 2018 for the FHLBank, and early adoption is permitted. This guidance should be applied retrospectively for the presentation of the service cost component and the other components of net periodic pension cost and net periodic postretirement benefit cost in the income statement and prospectively, on and after the effective date, for the capitalization of the service cost component of net periodic pension cost and net periodic postretirement benefit in assets. The adoption of this guidance is not expected to have a material effect on the FHLBank's financial condition, results of operations or cash flows. Classification of Certain Cash Receipts and Cash Payments. In August 2016, FASB issued amendments to clarify guidance on the classification of certain cash receipts and payments in the statement of cash flows. This guidance is intended to reduce existing diversity in practice in how certain cash receipts and cash payments are presented and classified in the statement of cash flows. This guidance is effective for the FHLBank for interim and annual periods beginning on January 1, 2018, and early adoption is permitted. This guidance should be applied using a retrospective transition method to each period presented. This guidance is not expected to have an impact on the FHLBank's statement of cash flows. Measurement of Credit Losses on Financial Instruments. In June 2016, FASB issued amended guidance for the accounting of credit losses on financial instruments. The amendments require entities to measure expected credit losses based on relevant information about past events, including historical experience, current conditions, and reasonable and supportable forecasts that affect the collectability of the reported amount. An entity must use judgment in determining the relevant information and estimation methods that are appropriate in its circumstances. Additionally, under the new guidance, a financial asset, or a group of financial assets, measured at amortized cost basis is required to be presented at the net amount expected to be collected. The guidance also requires: • The statement of income to reflect the measurement of credit losses for newly recognized financial assets, as well as the expected increases or decreases of expected credit losses that have taken place during the period; • The entities to determine the allowance for credit losses for purchased financial assets with a more-than-insignificant amount of credit deterioration since origination that are measured at amortized cost basis in a similar manner to other financial assets measured at amortized cost basis. The initial allowance for credit losses is required to be added to the purchase price; • Credit losses relating to available-for-sale debt securities to be recorded through an allowance for credit losses. The amendments limit the allowance for credit losses to the amount by which fair value is below amortized cost; and • Public entities to further disaggregate the current disclosure of credit quality indicators in relation to the amortized cost of financing receivables by the year of origination (i.e., vintage). The guidance is effective for the FHLBank for interim and annual periods beginning on January 1, 2020. Early application is permitted as of the interim and annual reporting periods beginning after December 15, 2018. The guidance should be applied using a modified-retrospective approach, through a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period in which the guidance is effective. In addition, entities are required to use a prospective transition approach for debt securities for which an other-than-temporary impairment (OTTI) charge had been recognized before the effective date. The FHLBank has formed an internal working group that has begun its implementation efforts by identifying key interpretive issues and potential impacts to processes and systems that will eventually determine the magnitude of the impact on the FHLBank's financial condition, results of operations and cash flows. Contingent Put and Call Options in Debt Instruments. In March 2016, FASB issued amendments to resolve current diversity in practice by clarifying the steps required when assessing whether the economic characteristics and risks of call (put) options are clearly and closely related to the economic characteristics and risks of their debt hosts, which is one of the criteria for bifurcating an embedded derivative. The amendments apply to all entities that are issuers of or investors in debt instruments (or hybrid financial instruments that are determined to have a debt host) with embedded call (put) options. The amendments became effective for annual periods, and interim periods within those annual periods, beginning on January 1, 2017. The adoption of this guidance had no effect on the FHLBank's financial condition, results of operations or cash flows. Leases. In February 2016, FASB issued amendments to lease accounting guidance. Under the new guidance, lessees will be required to recognize a lease liability and a right-of-use asset for all leases in the statement of financial condition, which effectively removes a source of off-balance sheet financing for operating leases. A distinction remains between finance leases and operating leases, but the assets and liabilities arising from operating leases are now also required to be recognized in the statement of financial condition. Lessor accounting is largely unchanged. The amendments are effective for annual periods, and interim periods within those annual periods, beginning after December 15, 2018, which is January 1, 2019 for the FHLBank. The FHLBank has a limited number of lease agreements and is currently evaluating this guidance to determine the impact, if any, on the FHLBank's financial condition, results of operations or cash flows. Recognition and Measurement of Financial Assets and Financial Liabilities. In January 2016, FASB issued amendments to improve the recognition, measurement, presentation and disclosure of financial instruments through changes to existing GAAP. The provisions impacting the FHLBank include the elimination of the requirement to disclose the method and significant assumptions used to estimate the fair value of financial instruments carried at amortized cost, the requirement to use the notion of exit price when measuring the fair value of financial instruments for disclosure purposes, and the separate presentation of financial assets and financial liabilities by measurement category and form of asset (i.e., securities or loans and receivables) on the statement of financial condition or in the notes to financial statements. The amendments are effective for annual periods, and interim periods within those annual periods, beginning after December 15, 2017, which is January 1, 2018 for the FHLBank. The FHLBank has concluded that this guidance will impact disclosures related to the fair value of financial instruments. However, this guidance is not expected to have an impact on the FHLBank's financial condition, results of operations or cash flows. Revenue Recognition. In May 2014, FASB issued guidance to introduce a new revenue recognition model in which an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. This guidance also requires disclosures sufficient to enable users to understand the nature, amount, timing, and uncertainty of revenue and cash flows arising from contracts with customers, including qualitative and quantitative disclosures about contracts with customers, significant judgments and changes in judgments, and assets recognized from the costs to obtain or fulfill a contract. In July 2015, FASB voted to defer the effective date of the new standard by one year. In addition, in March 2016, FASB issued amendments to clarify the implementation guidance on principal versus agent considerations, in particular, relating to how an entity should determine whether the entity is a principal or an agent for each specified good or service promised to the customer and the nature of each specified good or service. The amendments do not change the core principle in the new revenue standard. The standard is effective for fiscal years, including interim periods within those fiscal years, beginning after December 15, 2017, which is January 1, 2018 for the FHLBank. Because the guidance does not apply to revenue associated with financial instruments, including loans and securities that are accounted for under other GAAP, the adoption of this guidance has limited potential for impact to the FHLBank. The FHLBank has completed an analysis of its sources of revenue that fall within the scope of the guidance and does not expect the new guidance to have a material impact on its financial condition, results of operations or cash flows.

Investment Securities

Investment Securities	6 Months Ended
	Jun. 30, 2017
Investments, Debt and Equity Securities [Abstract]
Investment Securities	INVESTMENT SECURITIES Trading Securities: Trading securities by major security type as of June 30, 2017 and December 31, 2016 are summarized in Table 3.1 (in thousands): Table 3.1 Fair Value 06/30/2017 12/31/2016 Non-mortgage-backed securities: Certificates of deposit $ 599,959 $ — GSE obligations 1 1,458,009 1,563,351 Non-mortgage-backed securities 2,057,968 1,563,351 Mortgage-backed securities: U.S. obligation MBS 2 638 690 GSE MBS 3 940,683 938,747 Mortgage-backed securities 941,321 939,437 TOTAL $ 2,999,289 $ 2,502,788 1 Represents debentures issued by other FHLBanks, Federal National Mortgage Association (Fannie Mae), Federal Home Loan Mortgage Corporation (Freddie Mac), Federal Farm Credit Bank (Farm Credit) and Federal Agricultural Mortgage Corporation (Farmer Mac). GSE securities are not guaranteed by the U.S. government. 2 Represents single-family MBS issued by Government National Mortgage Association (Ginnie Mae), which are guaranteed by the U.S. government. 3 Represents single-family and multi-family MBS issued by Fannie Mae and Freddie Mac. Net gains (losses) on trading securities during the three and six months ended June 30, 2017 and 2016 are shown in Table 3.2 (in thousands): Table 3.2 Three Months Ended Six Months Ended 06/30/2017 06/30/2016 06/30/2017 06/30/2016 Net gains (losses) on trading securities held as of June 30, 2017 $ 9,216 $ 24,494 $ 15,122 $ 79,092 Net gains (losses) on trading securities sold or matured prior to June 30, 2017 (822 ) (5,968 ) (2,041 ) (11,362 ) NET GAIN (LOSS) ON TRADING SECURITIES $ 8,394 $ 18,526 $ 13,081 $ 67,730 Available-for-sale Securities: Available-for-sale securities by major security type as of June 30, 2017 are summarized in Table 3.3 (in thousands): Table 3.3 06/30/2017 Amortized Cost Gross Unrecognized Gains Gross Unrecognized Losses Fair Value Mortgage-backed securities: GSE MBS 1 $ 1,205,824 $ 21,333 $ (121 ) $ 1,227,036 TOTAL $ 1,205,824 $ 21,333 $ (121 ) $ 1,227,036 1 Represents fixed rate multi-family MBS issued by Fannie Mae . Available-for-sale securities by major security type as of December 31, 2016 are summarized in Table 3.4 (in thousands): Table 3.4 12/31/2016 Amortized Gross Gross Fair Value Mortgage-backed securities: GSE MBS 1 $ 1,082,376 $ 9,396 $ (51 ) $ 1,091,721 TOTAL $ 1,082,376 $ 9,396 $ (51 ) $ 1,091,721 1 Represents fixed rate multi-family MBS issued by Fannie Mae . Table 3.5 summarizes the available-for-sale securities with unrealized losses as of June 30, 2017 (in thousands). The unrealized losses are aggregated by major security type and length of time that individual securities have been in a continuous unrealized loss position. Table 3.5 06/30/2017 Less Than 12 Months 12 Months or More Total Fair Value Unrealized Losses Fair Value Unrealized Losses Fair Value Unrealized Losses Mortgage-backed securities: GSE MBS 1 $ 96,224 $ (121 ) $ — $ — $ 96,224 $ (121 ) TOTAL TEMPORARILY IMPAIRED SECURITIES $ 96,224 $ (121 ) $ — $ — $ 96,224 $ (121 ) 1 Represents fixed rate multi-family MBS issued by Fannie Mae . Table 3.6 summarizes the available-for-sale securities with unrealized losses as of December 31, 2016 (in thousands). The unrealized losses are aggregated by major security type and length of time that individual securities have been in a continuous unrealized loss position. Table 3.6 12/31/2016 Less Than 12 Months 12 Months or More Total Fair Value Unrealized Losses Fair Value Unrealized Losses Fair Value Unrealized Losses Mortgage-backed securities: GSE MBS 1 $ — $ — $ 33,509 $ (51 ) $ 33,509 $ (51 ) TOTAL TEMPORARILY IMPAIRED SECURITIES $ — $ — $ 33,509 $ (51 ) $ 33,509 $ (51 ) 1 Represents fixed rate multi-family MBS issued by Fannie Mae . All available-for-sale securities are GSE MBS and as such do not have a single maturity date. The expected maturities of these securities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment fees. Held-to-maturity Securities: Held-to-maturity securities by major security type as of June 30, 2017 are summarized in Table 3.7 (in thousands): Table 3.7 06/30/2017 Amortized Cost OTTI Recognized in AOCI Carrying Value Gross Unrecognized Gains Gross Unrecognized Losses Fair Value Non-mortgage-backed securities: State or local housing agency obligations $ 94,775 $ — $ 94,775 $ 95 $ (5,673 ) $ 89,197 Non-mortgage-backed securities 94,775 — 94,775 95 (5,673 ) 89,197 Mortgage-backed securities: U.S. obligation MBS 1 139,463 — 139,463 323 (108 ) 139,678 GSE MBS 2 4,604,767 — 4,604,767 16,836 (14,572 ) 4,607,031 Private-label residential MBS 94,422 (5,021 ) 89,401 5,198 (2,645 ) 91,954 Mortgage-backed securities 4,838,652 (5,021 ) 4,833,631 22,357 (17,325 ) 4,838,663 TOTAL $ 4,933,427 $ (5,021 ) $ 4,928,406 $ 22,452 $ (22,998 ) $ 4,927,860 1 Represents single-family MBS issued by Ginnie Mae, which are guaranteed by the U.S. government. 2 Represents single-family and multi-family MBS issued by Fannie Mae and Freddie Mac. Held-to-maturity securities by major security type as of December 31, 2016 are summarized in Table 3.8 (in thousands): Table 3.8 12/31/2016 Amortized Cost OTTI Recognized in AOCI Carrying Value Gross Unrecognized Gains Gross Unrecognized Losses Fair Value Non-mortgage-backed securities: State or local housing agency obligations $ 105,780 $ — $ 105,780 $ 98 $ (5,707 ) $ 100,171 Non-mortgage-backed securities 105,780 — 105,780 98 (5,707 ) 100,171 Mortgage-backed securities: U.S obligation MBS 1 36,331 — 36,331 — (201 ) 36,130 GSE MBS 2 4,250,547 — 4,250,547 12,044 (22,071 ) 4,240,520 Private-label residential MBS 115,407 (5,841 ) 109,566 4,869 (4,004 ) 110,431 Mortgage-backed securities 4,402,285 (5,841 ) 4,396,444 16,913 (26,276 ) 4,387,081 TOTAL $ 4,508,065 $ (5,841 ) $ 4,502,224 $ 17,011 $ (31,983 ) $ 4,487,252 1 Represents single-family MBS issued by Ginnie Mae, which are guaranteed by the U.S. government. 2 Represents single-family and multi-family MBS issued by Fannie Mae and Freddie Mac. Table 3.9 summarizes the held-to-maturity securities with unrealized losses as of June 30, 2017 (in thousands). The unrealized losses are aggregated by major security type and length of time that individual securities have been in a continuous unrealized loss position. Table 3.9 06/30/2017 Less Than 12 Months 12 Months or More Total Fair Value Unrealized Losses Fair Value Unrealized Losses Fair Value Unrealized Losses 1 Non-mortgage-backed securities: State or local housing agency obligations $ — $ — $ 24,327 $ (5,673 ) $ 24,327 $ (5,673 ) Non-mortgage-backed securities — — 24,327 (5,673 ) 24,327 (5,673 ) Mortgage-backed securities: U.S. obligation MBS 2 43,558 (67 ) 18,109 (41 ) 61,667 (108 ) GSE MBS 3 442,662 (695 ) 1,653,297 (13,877 ) 2,095,959 (14,572 ) Private-label residential MBS 54 (1 ) 73,672 (3,905 ) 73,726 (3,906 ) Mortgage-backed securities 486,274 (763 ) 1,745,078 (17,823 ) 2,231,352 (18,586 ) TOTAL TEMPORARILY IMPAIRED SECURITIES $ 486,274 $ (763 ) $ 1,769,405 $ (23,496 ) $ 2,255,679 $ (24,259 ) 1 Total unrealized losses in Table 3.9 will not agree to total gross unrecognized losses in Table 3.7 . Total unrealized losses in Table 3.9 include non-credit-related OTTI recognized in accumulated other comprehensive income (AOCI) and gross unrecognized gains on previously other-than-temporarily impaired securities. 2 Represents single-family MBS issued by Ginnie Mae, which are guaranteed by the U.S. government. 3 Represents single-family and multi-family MBS issued by Fannie Mae and Freddie Mac. Table 3.10 summarizes the held-to-maturity securities with unrealized losses as of December 31, 2016 (in thousands). The unrealized losses are aggregated by major security type and length of time that individual securities have been in a continuous unrealized loss position. Table 3.10 12/31/2016 Less Than 12 Months 12 Months or More Total Fair Value Unrealized Losses Fair Value Unrealized Losses Fair Value Unrealized Losses 1 Non-mortgage-backed securities: State or local housing agency obligations $ — $ — $ 34,348 $ (5,707 ) $ 34,348 $ (5,707 ) Non-mortgage-backed securities — — 34,348 (5,707 ) 34,348 (5,707 ) Mortgage-backed securities: U.S obligation MBS 2 — — 35,998 (201 ) 35,998 (201 ) GSE MBS 3 1,097,379 (2,612 ) 2,025,394 (19,459 ) 3,122,773 (22,071 ) Private-label residential MBS 1,903 (3 ) 85,984 (6,263 ) 87,887 (6,266 ) Mortgage-backed securities 1,099,282 (2,615 ) 2,147,376 (25,923 ) 3,246,658 (28,538 ) TOTAL TEMPORARILY IMPAIRED SECURITIES $ 1,099,282 $ (2,615 ) $ 2,181,724 $ (31,630 ) $ 3,281,006 $ (34,245 ) 1 Total unrealized losses in Table 3.10 will not agree to total gross unrecognized losses in Table 3.8 . Total unrealized losses in Table 3.10 include non-credit-related OTTI recognized in AOCI and gross unrecognized gains on previously other-than-temporarily impaired securities. 2 Represents single-family MBS issued by Ginnie Mae, which are guaranteed by the U.S. government. 3 Represents single-family and multi-family MBS issued by Fannie Mae and Freddie Mac. The amortized cost, carrying value and fair values of held-to-maturity securities by contractual maturity as of June 30, 2017 and December 31, 2016 are shown in Table 3.11 (in thousands). Expected maturities of certain securities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment fees. Table 3.11 06/30/2017 12/31/2016 Amortized Cost Carrying Value Fair Value Amortized Cost Carrying Value Fair Value Non-mortgage-backed securities: Due in one year or less $ — $ — $ — $ — $ — $ — Due after one year through five years 2,420 2,420 2,420 2,710 2,710 2,710 Due after five years through 10 years — — — 10,055 10,055 10,048 Due after 10 years 92,355 92,355 86,777 93,015 93,015 87,413 Non-mortgage-backed securities 94,775 94,775 89,197 105,780 105,780 100,171 Mortgage-backed securities 4,838,652 4,833,631 4,838,663 4,402,285 4,396,444 4,387,081 TOTAL $ 4,933,427 $ 4,928,406 $ 4,927,860 $ 4,508,065 $ 4,502,224 $ 4,487,252 Other-than-temporary Impairment: For the 20 outstanding private-label securities with OTTI during the lives of the securities, the FHLBank’s reported balances as of June 30, 2017 are presented in Table 3.12 (in thousands): Table 3.12 06/30/2017 Unpaid Principal Balance Amortized Cost Carrying Value Fair Value Private-label residential MBS: Prime $ 8,777 $ 7,778 $ 7,168 $ 8,198 Alt-A 25,423 22,742 18,331 22,369 TOTAL $ 34,200 $ 30,520 $ 25,499 $ 30,567 Table 3.13 presents a roll-forward of OTTI activity for the three and six months ended June 30, 2017 and 2016 related to credit losses recognized in earnings (in thousands): Table 3.13 Three Months Ended Six Months Ended 06/30/2017 06/30/2016 06/30/2017 06/30/2016 Balance, beginning of period $ 7,470 $ 7,776 $ 7,502 $ 7,785 Additional charge on securities for which OTTI was not previously recognized 6 1 6 1 Additional charge on securities for which OTTI was previously recognized 1 81 4 118 31 Amortization of credit component of OTTI 2 (137 ) (185 ) (206 ) (221 ) Balance, end of period $ 7,420 $ 7,596 $ 7,420 $ 7,596 1 For the three months ended June 30, 2017 and 2016, securities previously impaired represent all securities that were impaired prior to April 1, 2017 and 2016, respectively. For the six months ended June 30, 2017 and 2016, securities previously impaired represent all securities that were impaired prior to January 1, 2017 and 2016, respectively. 2 The FHLBank amortizes the credit component based on estimated cash flows prospectively up to the amount of expected principal to be recovered. The discounted cash flows will move from the discounted loss value to the ultimate principal to be written off at the projected date of loss. If the expected cash flows improve, the amount of expected loss decreases which causes a corresponding decrease in the calculated amortization. Based on the level of improvement in the cash flows, the amortization could become a positive adjustment to income. As of June 30, 2017 , the fair value of a portion of the FHLBank's available-for-sale and held-to-maturity MBS were below the amortized cost of the securities due to interest rate volatility and/or illiquidity. However, the decline in fair value of these securities is considered temporary as the FHLBank expects to recover the entire amortized cost basis on the remaining securities in unrecognized loss positions and neither intends to sell these securities nor is it more likely than not that the FHLBank will be required to sell these securities before its anticipated recovery of the remaining amortized cost basis. For state and local housing agency obligations, the FHLBank determined that all of the gross unrealized losses on these bonds were temporary because the strength of the underlying collateral and credit enhancements was sufficient to protect the FHLBank from losses based on current expectations.

Advances

Advances	6 Months Ended
	Jun. 30, 2017
Advances [Abstract]
Advances	ADVANCES General Terms: The FHLBank offers a wide range of fixed and variable rate advance products with different maturities, interest rates, payment characteristics and optionality. As of June 30, 2017 and December 31, 2016 , the FHLBank had advances outstanding at interest rates ranging from 0.66 percent to 7.41 percent and 0.46 percent to 7.41 percent , respectively. Table 4.1 presents advances summarized by year of contractual maturity as of June 30, 2017 and December 31, 2016 (dollar amounts in thousands): Table 4.1 06/30/2017 12/31/2016 Year of Contractual Maturity Amount Weighted Average Interest Rate Amount Weighted Average Interest Rate Due in one year or less $ 14,454,342 1.41 % $ 12,601,183 1.03 % Due after one year through two years 1,818,036 1.69 2,019,260 1.96 Due after two years through three years 944,565 1.92 1,073,881 1.47 Due after three years through four years 1,105,677 2.12 781,339 1.96 Due after four years through five years 705,482 2.09 848,112 2.15 Thereafter 7,403,557 1.55 6,636,740 1.19 Total par value 26,431,659 1.53 % 23,960,515 1.24 % Discounts (10,993 ) (13,977 ) Hedging adjustments 22,750 39,297 TOTAL $ 26,443,416 $ 23,985,835 The FHLBank’s advances outstanding include advances that contain call options that may be exercised with or without prepayment fees at the borrower’s discretion on specific dates (call dates) before the stated advance maturities (callable advances). In exchange for receiving the right to call the advance on a predetermined call schedule, the borrower may pay a higher fixed rate for the advance relative to an equivalent maturity, non-callable, fixed rate advance. The borrower normally exercises its call options on these advances when interest rates decline (fixed rate advances) or spreads change (adjustable rate advances). The FHLBank’s advances as of June 30, 2017 and December 31, 2016 include callable advances totaling $6,998,828,000 and $6,336,280,000 , respectively. Of these callable advances, there were $6,952,202,000 and $6,260,837,000 of variable rate advances as of June 30, 2017 and December 31, 2016 , respectively. Convertible advances allow the FHLBank to convert an advance from one interest payment term structure to another. When issuing convertible advances, the FHLBank purchases put options from a member that allow the FHLBank to convert the fixed rate advance to a variable rate advance at the current market rate or another structure after an agreed-upon lockout period. A convertible advance carries a lower interest rate than a comparable-maturity fixed rate advance without the conversion feature. As of June 30, 2017 and December 31, 2016 , the FHLBank had convertible advances outstanding totaling $977,342,000 and $1,147,392,000 , respectively. Table 4.2 presents advances summarized by contractual maturity or next call date (for callable advances) and by contractual maturity or next conversion date (for convertible advances) as of June 30, 2017 and December 31, 2016 (in thousands): Table 4.2 Year of Contractual Maturity or Next Call Date Year of Contractual Maturity or Next Conversion Date Redemption Term 06/30/2017 12/31/2016 06/30/2017 12/31/2016 Due in one year or less $ 20,974,042 $ 18,411,727 $ 14,597,842 $ 12,897,983 Due after one year through two years 1,524,177 1,752,403 1,771,036 1,800,460 Due after two years through three years 792,016 750,126 1,002,665 1,168,381 Due after three years through four years 965,856 666,059 1,202,727 808,139 Due after four years through five years 534,933 755,753 901,782 945,462 Thereafter 1,640,635 1,624,447 6,955,607 6,340,090 TOTAL PAR VALUE $ 26,431,659 $ 23,960,515 $ 26,431,659 $ 23,960,515 Interest Rate Payment Terms : Table 4.3 details additional interest rate payment terms for advances as of June 30, 2017 and December 31, 2016 (in thousands): Table 4.3 06/30/2017 12/31/2016 Fixed rate: Due in one year or less $ 2,374,966 $ 2,400,382 Due after one year 5,468,391 5,589,805 Total fixed rate 7,843,357 7,990,187 Variable rate: Due in one year or less 12,079,376 10,200,801 Due after one year 6,508,926 5,769,527 Total variable rate 18,588,302 15,970,328 TOTAL PAR VALUE $ 26,431,659 $ 23,960,515 See Note 6 for information related to the FHLBank’s credit risk on advances and allowance for credit losses.

Mortgage Loans

Mortgage Loans	6 Months Ended
	Jun. 30, 2017
Mortgage Loans on Real Estate [Abstract]
Mortgage Loans	MORTGAGE LOANS The MPF Program involves the FHLBank investing in mortgage loans, which have been funded by the FHLBank through or purchased from its participating members. These mortgage loans are government-insured or guaranteed loans (by the Federal Housing Administration (FHA), the Department of Veterans Affairs (VA), the Rural Housing Service of the Department of Agriculture (RHS) and/or the Department of Housing and Urban Development (HUD)) and conventional residential loans credit-enhanced by participating financial institutions (PFIs) . Depending upon a member’s product selection, the servicing rights can be retained or sold by the participating member. The FHLBank does not buy or own any mortgage servicing rights. Mortgage Loans Held for Portfolio: Table 5.1 presents information as of June 30, 2017 and December 31, 2016 on mortgage loans held for portfolio (in thousands): Table 5.1 06/30/2017 12/31/2016 Real estate: Fixed rate, medium-term 1 , single-family mortgages $ 1,298,010 $ 1,353,938 Fixed rate, long-term, single-family mortgages 5,437,906 5,182,103 Total unpaid principal balance 6,735,916 6,536,041 Premiums 102,523 103,665 Discounts (2,584 ) (2,276 ) Deferred loan costs, net 319 387 Other deferred fees (72 ) (85 ) Hedging adjustments 5,315 4,667 Total before Allowance for Credit Losses on Mortgage Loans 6,841,417 6,642,399 Allowance for Credit Losses on Mortgage Loans (1,525 ) (1,674 ) MORTGAGE LOANS HELD FOR PORTFOLIO, NET $ 6,839,892 $ 6,640,725 1 Medium-term defined as a term of 15 years or less at origination. Table 5.2 presents information as of June 30, 2017 and December 31, 2016 on the outstanding unpaid principal balance (UPB) of mortgage loans held for portfolio (in thousands): Table 5.2 06/30/2017 12/31/2016 Conventional loans $ 6,073,415 $ 5,899,924 Government-guaranteed or insured loans 662,501 636,117 TOTAL UNPAID PRINCIPAL BALANCE $ 6,735,916 $ 6,536,041 See Note 6 for information related to the FHLBank’s credit risk on mortgage loans and allowance for credit losses.

Allowance For Credit Losses

Allowance For Credit Losses	6 Months Ended
	Jun. 30, 2017
Receivables [Abstract]
Allowance For Credit Losses	ALLOWANCE FOR CREDIT LOSSES The FHLBank has established an allowance methodology for each of its portfolio segments: credit products (advances, letters of credit and other extensions of credit to borrowers); government mortgage loans held for portfolio; conventional mortgage loans held for portfolio; the direct financing lease receivable; term Federal funds sold; and term securities purchased under agreements to resell. Based on management's analyses of each portfolio segment, the FHLBank has only established an allowance for credit losses on its conventional mortgage loans held for portfolio. Roll-forward of Allowance for Credit Losses : Table 6.1 presents a roll-forward of the allowance for credit losses for the three and six months ended June 30, 2017 as well as the method used to evaluate impairment relating to all portfolio segments regardless of whether or not an estimated credit loss has been recorded as of June 30, 2017 (in thousands). The recorded investment in a financing receivable is the UPB, adjusted for accrued interest, net deferred loan fees or costs, unamortized premiums or discounts, fair value hedging adjustments and direct write-downs. The recorded investment is not net of any valuation allowance. Table 6.1 06/30/2017 Conventional Loans Government Loans Credit Products 1 Direct Financing Lease Receivable Total Allowance for credit losses: Balance, beginning of three-month period $ 1,617 $ — $ — $ — $ 1,617 Net (charge-offs) recoveries (112 ) — — — (112 ) (Reversal) provision for credit losses 20 — — — 20 Balance, end of three-month period $ 1,525 $ — $ — $ — $ 1,525 Balance, beginning of six-month period $ 1,674 $ — $ — $ — $ 1,674 Net (charge-offs) recoveries (124 ) — — — (124 ) (Reversal) provision for credit losses (25 ) — — — (25 ) Balance, end of six-month period $ 1,525 $ — $ — $ — $ 1,525 Allowance for credit losses, end of period: Individually evaluated for impairment $ 33 $ — $ — $ — $ 33 Collectively evaluated for impairment 1,492 — — — 1,492 Recorded investment, end of period: Individually evaluated for impairment $ 10,878 $ — $ 26,472,708 $ 16,130 $ 26,499,716 Collectively evaluated for impairment 6,186,559 676,480 — — 6,863,039 Total $ 6,197,437 $ 676,480 $ 26,472,708 $ 16,130 $ 33,362,755 1 The recorded investment for credit products includes only advances. The recorded investment for all other credit products is insignificant. Table 6.2 presents a roll-forward of the allowance for credit losses for the three and six months ended June 30, 2016 as well as the method used to evaluate impairment relating to all portfolio segments regardless of whether or not an estimated credit loss has been recorded as of June 30, 2016 (in thousands): Table 6.2 06/30/2016 Conventional Loans Government Loans Credit Products 1 Direct Financing Lease Receivable Total Allowance for credit losses: Balance, beginning of three-month period $ 1,607 $ — $ — $ — $ 1,607 Net (charge-offs) recoveries (97 ) — — — (97 ) (Reversal) provision for credit losses (212 ) — — — (212 ) Balance, end of three-month period $ 1,298 $ — $ — $ — $ 1,298 Balance, beginning of six-month period $ 1,972 $ — $ — $ — $ 1,972 Net (charge-offs) recoveries (205 ) — — — (205 ) (Reversal) provision for credit losses (469 ) — — — (469 ) Balance, end of six-month period $ 1,298 $ — $ — $ — $ 1,298 Allowance for credit losses, end of period: Individually evaluated for impairment $ — $ — $ — $ — $ — Collectively evaluated for impairment 1,298 — — — 1,298 Recorded investment, end of period: Individually evaluated for impairment $ 12,722 $ — $ 26,208,296 $ 18,598 $ 26,239,616 Collectively evaluated for impairment 5,832,702 659,475 — — 6,492,177 Total $ 5,845,424 $ 659,475 $ 26,208,296 $ 18,598 $ 32,731,793 1 The recorded investment for credit products includes only advances. The recorded investment for all other credit products is insignificant. Credit Quality Indicators: The FHLBank’s key credit quality indicators include the migration of: (1) past due loans; (2) non-accrual loans; (3) loans in process of foreclosure; and (4) impaired loans, all of which are used either on an individual or pool basis to determine the allowance for credit losses. Table 6.3 summarizes the delinquency aging and key credit quality indicators for all of the FHLBank’s portfolio segments as of June 30, 2017 (dollar amounts in thousands): Table 6.3 06/30/2017 Conventional Loans Government Loans Credit Products 1 Direct Financing Lease Receivable Total Recorded investment: Past due 30-59 days delinquent $ 33,521 $ 15,586 $ — $ — $ 49,107 Past due 60-89 days delinquent 9,465 6,690 — — 16,155 Past due 90 days or more delinquent 7,416 2,403 — — 9,819 Total past due 50,402 24,679 — — 75,081 Total current loans 6,147,035 651,801 26,472,708 16,130 33,287,674 Total recorded investment $ 6,197,437 $ 676,480 $ 26,472,708 $ 16,130 $ 33,362,755 Other delinquency statistics: In process of foreclosure, included above 2 $ 3,894 $ 1,163 $ — $ — $ 5,057 Serious delinquency rate 3 0.1 % 0.4 % — % — % — % Past due 90 days or more and still accruing interest $ — $ 2,403 $ — $ — $ 2,403 Loans on non-accrual status 4 $ 14,435 $ — $ — $ — $ 14,435 1 The recorded investment for credit products includes only advances. The recorded investment for all other credit products is insignificant. 2 Includes loans where the decision of foreclosure or similar alternative such as pursuit of deed-in-lieu has been reported. Loans in process of foreclosure are included in past due or current loans dependent on their delinquency status. 3 Loans that are 90 days or more past due or in the process of foreclosure expressed as a percentage of the total recorded investment for the portfolio class. 4 Loans on non-accrual status include $1,365,000 of troubled debt restructurings. Troubled debt restructurings are restructurings in which the FHLBank, for economic or legal reasons related to the debtor’s financial difficulties, grants a concession to the debtor that it would not otherwise consider. Table 6.4 summarizes the key credit quality indicators for all of the FHLBank’s portfolio segments as of December 31, 2016 (dollar amounts in thousands): Table 6.4 12/31/2016 Conventional Loans Government Loans Credit Products 1 Direct Financing Lease Receivable Total Recorded investment: Past due 30-59 days delinquent $ 40,290 $ 16,920 $ — $ — $ 57,210 Past due 60-89 days delinquent 7,982 6,383 — — 14,365 Past due 90 days or more delinquent 11,970 5,185 — — 17,155 Total past due 60,242 28,488 — — 88,730 Total current loans 5,962,533 622,856 24,009,010 17,385 30,611,784 Total recorded investment $ 6,022,775 $ 651,344 $ 24,009,010 $ 17,385 $ 30,700,514 Other delinquency statistics: In process of foreclosure, included above 2 $ 4,408 $ 1,748 $ — $ — $ 6,156 Serious delinquency rate 3 0.2 % 0.8 % — % — % 0.1 % Past due 90 days or more and still accruing interest $ — $ 5,185 $ — $ — $ 5,185 Loans on non-accrual status 4 $ 15,002 $ — $ — $ — $ 15,002 1 The recorded investment for credit products includes only advances. The recorded investment for all other credit products is insignificant. 2 Includes loans where the decision of foreclosure or similar alternative such as pursuit of deed-in-lieu has been reported. Loans in process of foreclosure are included in past due or current loans dependent on their delinquency status. 3 Loans that are 90 days or more past due or in the process of foreclosure expressed as a percentage of the total recorded investment for the portfolio class. 4 Loans on non-accrual status include $1,327,000 of troubled debt restructurings. Troubled debt restructurings are restructurings in which the FHLBank, for economic or legal reasons related to the debtor’s financial difficulties, grants a concession to the debtor that it would not otherwise consider. Individually Evaluated Impaired Loans: Table 6.5 presents the recorded investment, UPB, and related allowance of impaired conventional mortgage loans individually assessed for impairment as of June 30, 2017 and December 31, 2016 (in thousands): Table 6.5 06/30/2017 12/31/2016 Recorded Investment Unpaid Principal Balance Related Allowance Recorded Investment Unpaid Principal Balance Related Allowance With no related allowance $ 10,738 $ 10,683 $ — $ 11,834 $ 11,776 $ — With an allowance 140 139 33 — — — TOTAL $ 10,878 $ 10,822 $ 33 $ 11,834 $ 11,776 $ — Table 6.6 presents the average recorded investment and related interest income recognized on these individually evaluated impaired loans during the three and six months ended June 30, 2017 and 2016 (in thousands): Table 6.6 Three Months Ended Six Months Ended 06/30/2017 06/30/2016 06/30/2017 06/30/2016 Average Recorded Investment Interest Income Recognized Average Recorded Investment Interest Income Recognized Average Recorded Investment Interest Income Recognized Average Recorded Investment Interest Income Recognized With no related allowance $ 10,887 $ 54 $ 12,661 $ 65 $ 11,269 $ 128 $ 11,991 $ 147 With an allowance 46 (4 ) — — 24 (4 ) — — TOTAL $ 10,933 $ 50 $ 12,661 $ 65 $ 11,293 $ 124 $ 11,991 $ 147 The FHLBank had $2,761,000 and $2,608,000 classified as real estate owned (REO) recorded in other assets as of June 30, 2017 and December 31, 2016 , respectively.

Derivatives And Hedging Activit

Derivatives And Hedging Activities	6 Months Ended
	Jun. 30, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivatives And Hedging Activities	DERIVATIVES AND HEDGING ACTIVITIES Table 7.1 presents outstanding notional amounts and fair values (excluding fair value adjustments related to variation margin on daily settled contracts) of the derivatives outstanding by type of derivative and by hedge designation as of June 30, 2017 and December 31, 2016 (in thousands). Total derivative assets and liabilities include the effect of netting adjustments, cash collateral, and variation margin for daily settled contracts. Table 7.1 06/30/2017 12/31/2016 Notional Amount Derivative Assets Derivative Liabilities Notional Amount Derivative Assets Derivative Liabilities Derivatives designated as hedging instruments: Interest rate swaps $ 7,351,869 $ 53,446 $ 43,586 $ 7,896,110 $ 70,683 $ 65,471 Total derivatives designated as hedging relationships 7,351,869 53,446 43,586 7,896,110 70,683 65,471 Derivatives not designated as hedging instruments: Interest rate swaps 1,975,374 171 35,011 2,022,630 649 40,824 Interest rate caps/floors 2,487,400 2,065 — 2,765,200 4,859 — Mortgage delivery commitments 119,050 38 413 90,013 214 372 Total derivatives not designated as hedging instruments 4,581,824 2,274 35,424 4,877,843 5,722 41,196 TOTAL $ 11,933,693 55,720 79,010 $ 12,773,953 76,405 106,667 Netting adjustments, cash collateral, and variation margin for daily settled contracts 1 823 (74,955 ) (15,505 ) (99,496 ) DERIVATIVE ASSETS AND LIABILITIES $ 56,543 $ 4,055 $ 60,900 $ 7,171 1 Amounts represent the application of the netting requirements that allow the FHLBank to settle positive and negative positions as well as cash collateral, including initial or variation margin, and related accrued interest held or placed with the same clearing agent and/or derivative counterparty, and includes fair value adjustments on derivatives for which variation margin is characterized as a daily settled contract. Cash collateral posted was $89,911,000 and $105,481,000 as of June 30, 2017 and December 31, 2016 , respectively. Cash collateral received was $15,689,000 and $21,490,000 as of June 30, 2017 and December 31, 2016 , respectively. Variation margin for daily settled contracts was $1,556,000 as of June 30, 2017 . The following tables provide information regarding gains and losses on derivatives and hedging activities by type of hedge and type of derivative and gains and losses by hedged item for fair value hedges. For the three and six months ended June 30, 2017 and 2016 , the FHLBank recorded net gain (loss) on derivatives and hedging activities as presented in Table 7.2 (in thousands): Table 7.2 Three Months Ended Six Months Ended 06/30/2017 06/30/2016 06/30/2017 06/30/2016 Derivatives designated as hedging instruments: Interest rate swaps $ (1,864 ) $ (1,820 ) $ (3,194 ) $ (4,310 ) Total net gain (loss) related to fair value hedge ineffectiveness (1,864 ) (1,820 ) (3,194 ) (4,310 ) Derivatives not designated as hedging instruments: Economic hedges: Interest rate swaps (3,405 ) (21,421 ) 4,843 (64,629 ) Interest rate caps/floors (1,186 ) (1,623 ) (2,794 ) (3,716 ) Net interest settlements (4,436 ) (11,871 ) (9,619 ) (24,115 ) Mortgage delivery commitments 923 1,439 1,413 2,988 Total net gain (loss) related to derivatives not designated as hedging instruments (8,104 ) (33,476 ) (6,157 ) (89,472 ) Other 1 6 — (8 ) — NET GAIN (LOSS) ON DERIVATIVES AND HEDGING ACTIVITIES $ (9,962 ) $ (35,296 ) $ (9,359 ) $ (93,782 ) 1 Amount represents price alignment amount on derivatives for which variation margin is characterized as a daily settled contract. The FHLBank carries derivative instruments at fair value on its Statements of Condition. Any change in the fair value of derivatives designated under a fair value hedging relationship is recorded each period in current period earnings. Fair value hedge accounting allows for the offsetting fair value of the hedged risk in the hedged item to also be recorded in current period earnings. For the three months ended June 30, 2017 and 2016 , the FHLBank recorded net gain (loss) on derivatives and the related hedged items in fair value hedging relationships and the impact of those derivatives on the FHLBank’s net interest income as presented in Table 7.3 (in thousands): Table 7.3 Three Months Ended 06/30/2017 06/30/2016 Gain (Loss) on Derivatives Gain (Loss) on Hedged Items Net Fair Value Hedge Ineffectiveness Effect of Derivatives on Net Interest Income 1 Gain (Loss) on Derivatives Gain (Loss) on Hedged Items Net Fair Value Hedge Ineffectiveness Effect of Derivatives on Net Interest Income 1 Advances $ (4,985 ) $ 4,262 $ (723 ) $ (13,936 ) $ (16,092 ) $ 16,217 $ 125 $ (23,758 ) Investments (8,880 ) 8,138 (742 ) (2,199 ) (23,405 ) 21,650 (1,755 ) (3,000 ) Consolidated obligation bonds 2,342 (2,741 ) (399 ) 3,641 (3,971 ) 3,771 (200 ) 9,014 Consolidated obligation discount notes — — — — 98 (88 ) 10 15 TOTAL $ (11,523 ) $ 9,659 $ (1,864 ) $ (12,494 ) $ (43,370 ) $ 41,550 $ (1,820 ) $ (17,729 ) 1 The differentials between accruals of interest receivables and payables on derivatives designated as fair value hedges as well as the amortization/accretion of hedging activities are recognized as adjustments to the interest income or expense of the designated underlying hedged item. For the six months ended June 30, 2017 and 2016 , the FHLBank recorded net gain (loss) on derivatives and the related hedged items in fair value hedging relationships and the impact of those derivatives on the FHLBank’s net interest income as presented in Table 7.4 (in thousands): Table 7.4 Six Months Ended 06/30/2017 06/30/2016 Gain (Loss) on Derivatives Gain (Loss) on Hedged Items Net Fair Value Hedge Ineffectiveness Effect of Derivatives on Net Interest Income 1 Gain (Loss) on Derivatives Gain (Loss) on Hedged Items Net Fair Value Hedge Ineffectiveness Effect of Derivatives on Net Interest Income 1 Advances $ 13,131 $ (13,966 ) $ (835 ) $ (30,427 ) $ (71,873 ) $ 71,564 $ (309 ) $ (49,192 ) Investments (5,614 ) 4,325 (1,289 ) (4,914 ) (46,220 ) 43,112 (3,108 ) (5,337 ) Consolidated obligation bonds (1,878 ) 844 (1,034 ) 9,160 2,766 (3,382 ) (616 ) 20,561 Consolidated obligation discount notes 16 (52 ) (36 ) (15 ) 182 (459 ) (277 ) (45 ) TOTAL $ 5,655 $ (8,849 ) $ (3,194 ) $ (26,196 ) $ (115,145 ) $ 110,835 $ (4,310 ) $ (34,013 ) 1 The differentials between accruals of interest receivables and payables on derivatives designated as fair value hedges as well as the amortization/accretion of hedging activities are recognized as adjustments to the interest income or expense of the designated underlying hedged item. Based on credit analyses and collateral requirements, FHLBank management does not anticipate any credit losses on its derivative agreements. The maximum credit risk applicable to a single counterparty was $16,117,000 and $21,112,000 as of June 30, 2017 and December 31, 2016 , respectively. The counterparty was the same for both periods . Certain of the FHLBank’s uncleared derivative instruments contain provisions that require the FHLBank to post additional collateral with its counterparties if there is deterioration in the FHLBank’s credit rating. If the FHLBank’s credit rating is lowered by a Nationally Recognized Statistical Rating Organization (NRSRO) , the FHLBank may be required to deliver additional collateral on uncleared derivative instruments in net liability positions. The aggregate fair value of all uncleared derivative instruments with derivative counterparties containing credit-risk-related contingent features that were in a net derivative liability position (before cash collateral and related accrued interest) as of June 30, 2017 and December 31, 2016 was $2,897,000 and $4,779,000 , respectively, for which the FHLBank has posted no collateral. If the FHLBank’s credit rating had been lowered one level (e.g., from double-A to single-A), the FHLBank would not have been required to deliver additional collateral to its uncleared derivative counterparties as of June 30, 2017 and December 31, 2016 , respectively. The FHLBank utilizes two Clearinghouses for all cleared derivative transactions, LCH.Clearnet LLC and CME Clearing. Effective January 3, 2017, CME Clearing made certain amendments to its rulebook changing the legal characterization of variation margin payments to represent daily settlement payments rather than collateral. Variation margin related to LCH.Clearnet LLC contracts continues to be characterized as cash collateral. At both Clearinghouses, initial margin is considered cash collateral. For cleared derivatives, the Clearinghouse determines initial margin requirements and generally, credit ratings are not factored into the initial margin. However, clearing agents may require additional initial margin to be posted based on credit considerations, including but not limited to credit rating downgrades. The FHLBank was not required to post additional initial margin by its clearing agents as of June 30, 2017 and December 31, 2016 . The FHLBank’s net exposure on derivative agreements is presented in Note 10 .

Deposits

Deposits	6 Months Ended
	Jun. 30, 2017
Deposits [Abstract]
Deposits	DEPOSITS The FHLBank offers demand, overnight and short-term deposit programs to its members and to other qualifying non-members. Table 8.1 details the types of deposits held by the FHLBank as of June 30, 2017 and December 31, 2016 (in thousands): Table 8.1 06/30/2017 12/31/2016 Interest-bearing: Demand $ 247,397 $ 269,341 Overnight 201,400 278,200 Total interest-bearing 448,797 547,541 Non-interest-bearing: Demand 47,218 51,390 Total non-interest-bearing 47,218 51,390 TOTAL DEPOSITS $ 496,015 $ 598,931

Consolidated Obligations

Consolidated Obligations	6 Months Ended
	Jun. 30, 2017
Debt Disclosure [Abstract]
Consolidated Obligations	CONSOLIDATED OBLIGATIONS Consolidated Obligation Bonds: Table 9.1 presents the FHLBank’s participation in consolidated obligation bonds outstanding as of June 30, 2017 and December 31, 2016 (dollar amounts in thousands): Table 9.1 06/30/2017 12/31/2016 Year of Contractual Maturity Amount Weighted Average Interest Rate Amount Weighted Average Interest Rate Due in one year or less $ 11,804,625 1.18 % $ 11,001,615 0.92 % Due after one year through two years 3,808,500 1.26 2,460,440 1.46 Due after two years through three years 1,053,950 1.55 1,190,750 1.51 Due after three years through four years 1,108,450 1.57 739,600 1.56 Due after four years through five years 956,300 1.75 1,215,600 1.60 Thereafter 4,130,100 2.48 4,088,400 2.39 Total par value 22,861,925 1.49 % 20,696,405 1.37 % Premiums 21,951 26,812 Discounts (2,230 ) (2,342 ) Concession fees (9,677 ) (9,441 ) Hedging adjustments 10,057 10,901 TOTAL $ 22,882,026 $ 20,722,335 The FHLBank’s participation in consolidated obligation bonds outstanding as of June 30, 2017 and December 31, 2016 includes callable bonds totaling $6,157,000,000 and $6,097,000,000 , respectively. The FHLBank uses the unswapped callable bonds for financing its callable fixed rate advances (Note 4 ), MBS (Note 3 ) and mortgage loans (Note 5 ). Contemporaneous with a portion of its fixed rate callable bond issuances, the FHLBank also enters into interest rate swap agreements (in which the FHLBank generally pays a variable rate and receives a fixed rate) with call features that mirror the options in the callable bonds (a sold callable swap). The combined sold callable swap and callable debt transaction allows the FHLBank to obtain attractively priced variable rate financing. Table 9.2 summarizes the FHLBank’s participation in consolidated obligation bonds outstanding by year of maturity, or by the next call date for callable bonds as of June 30, 2017 and December 31, 2016 (in thousands): Table 9.2 Year of Maturity or Next Call Date 06/30/2017 12/31/2016 Due in one year or less $ 17,809,625 $ 16,581,615 Due after one year through two years 3,382,500 2,275,440 Due after two years through three years 648,950 694,750 Due after three years through four years 358,450 389,600 Due after four years through five years 226,300 190,600 Thereafter 436,100 564,400 TOTAL PAR VALUE $ 22,861,925 $ 20,696,405 Table 9.3 summarizes interest rate payment terms for consolidated obligation bonds as of June 30, 2017 and December 31, 2016 (in thousands): Table 9.3 06/30/2017 12/31/2016 Simple variable rate $ 11,707,000 $ 9,537,000 Fixed rate 10,079,925 10,164,405 Fixed to variable rate 605,000 545,000 Step 430,000 420,000 Range 40,000 30,000 TOTAL PAR VALUE $ 22,861,925 $ 20,696,405 Consolidated Discount Notes: Consolidated discount notes are issued to raise short-term funds. Consolidated discount notes are consolidated obligations with original maturities of up to one year. These consolidated discount notes are generally issued at less than their face amount and redeemed at par value when they mature. Table 9.4 summarizes the FHLBank’s participation in consolidated obligation discount notes, all of which are due within one year (dollar amounts in thousands): Table 9.4 Book Value Par Value Weighted Average Interest Rate 1 June 30, 2017 $ 23,955,782 $ 23,981,553 0.96 % December 31, 2016 $ 21,775,341 $ 21,784,924 0.47 % 1 Represents yield to maturity excluding concession fees.

Assets and Liabilities Subject

Assets and Liabilities Subject to Offsetting	6 Months Ended
	Jun. 30, 2017
Offsetting [Abstract]
Assets and Liabilities Subject to Offsetting	ASSETS AND LIABILITIES SUBJECT TO OFFSETTING The FHLBank presents certain financial instruments, including derivatives, repurchase agreements and securities purchased under agreements to resell, on a net basis by clearing agent by Clearinghouse, or by counterparty, when it has met the netting requirements. For these financial instruments, the FHLBank has elected to offset its asset and liability positions, as well as cash collateral, including initial and certain variation margin, received or pledged, and associated accrued interest. Tables 10.1 and 10.2 present the fair value of financial assets, including the related collateral received from or pledged to clearing agents or counterparties and variation margin for daily settled contracts, based on the terms of the FHLBank’s master netting arrangements or similar agreements as of June 30, 2017 and December 31, 2016 (in thousands): Table 10.1 06/30/2017 Description Gross Amounts of Recognized Assets Gross Amounts Offset in the Statement of Condition 1 Net Amounts of Assets Presented in the Statement of Condition Gross Amounts Not Offset in the Statement of Condition 2 Net Amount Derivative assets: Uncleared derivatives $ 39,675 $ (32,321 ) $ 7,354 $ (38 ) $ 7,316 Cleared derivatives 3 16,045 33,144 49,189 — 49,189 Total derivative assets 55,720 823 56,543 (38 ) 56,505 Securities purchased under agreements to resell 2,650,000 — 2,650,000 (2,650,000 ) — TOTAL $ 2,705,720 $ 823 $ 2,706,543 $ (2,650,038 ) $ 56,505 1 Represents netting adjustments, cash collateral, and variation margin for daily settled contracts. 2 Represents noncash collateral received on financial instruments that: (1) do not qualify for netting on the Statement of Condition; or (2) are not subject to an enforceable netting agreement (e.g., mortgage delivery commitments). 3 Variation margin for daily settled contracts of $1,556,000 is included with gross amounts offset in the Statement of Condition. Table 10.2 12/31/2016 Description Gross Amounts of Recognized Assets Gross Amounts Offset in the Statement of Condition Net Amounts of Assets Presented in the Statement of Condition Gross Amounts Not Offset in the Statement of Condition 1 Net Amount Derivative assets: Uncleared derivatives $ 51,765 $ (39,540 ) $ 12,225 $ (214 ) $ 12,011 Cleared derivatives 24,640 24,035 48,675 — 48,675 Total derivative assets 76,405 (15,505 ) 60,900 (214 ) 60,686 Securities purchased under agreements to resell 2,400,000 — 2,400,000 (2,400,000 ) — TOTAL $ 2,476,405 $ (15,505 ) $ 2,460,900 $ (2,400,214 ) $ 60,686 1 Represents noncash collateral received on financial instruments that: (1) do not qualify for netting on the Statement of Condition; or (2) are not subject to an enforceable netting agreement (e.g., mortgage delivery commitments). Tables 10.3 and 10.4 present the fair value of financial liabilities, including the related collateral received from or pledged to counterparties and variation margin for daily settled contracts, based on the terms of the FHLBank’s master netting arrangements or similar agreements as of June 30, 2017 and December 31, 2016 (in thousands): Table 10.3 06/30/2017 Description Gross Amounts of Recognized Liabilities Gross Amounts Offset in the Statement of Condition 1 Net Amounts of Liabilities Presented in the Statement of Condition Gross Amounts Not Offset in the Statement of Condition 2 Net Amount Derivative liabilities: Uncleared derivatives $ 46,510 $ (42,455 ) $ 4,055 $ (413 ) $ 3,642 Cleared derivatives 32,500 (32,500 ) — — — Total derivative liabilities 79,010 (74,955 ) 4,055 (413 ) 3,642 TOTAL $ 79,010 $ (74,955 ) $ 4,055 $ (413 ) $ 3,642 1 Represents netting adjustments and cash collateral. 2 Represents noncash collateral received on financial instruments that: (1) do not qualify for netting on the Statement of Condition; or (2) are not subject to an enforceable netting agreement (e.g., mortgage delivery commitments). Table 10.4 12/31/2016 Description Gross Amounts of Recognized Liabilities Gross Amounts Offset in the Statement of Condition Net Amounts of Liabilities Presented in the Statement of Condition Gross Amounts Not Offset in the Statement of Condition 1 Net Amount Derivative liabilities: Uncleared derivatives $ 72,039 $ (64,868 ) $ 7,171 $ (372 ) $ 6,799 Cleared derivatives 34,628 (34,628 ) — — — Total derivative liabilities 106,667 (99,496 ) 7,171 (372 ) 6,799 TOTAL $ 106,667 $ (99,496 ) $ 7,171 $ (372 ) $ 6,799 1 Represents noncash collateral received on financial instruments that: (1) do not qualify for netting on the Statement of Condition; or (2) are not subject to an enforceable netting agreement (e.g., mortgage delivery commitments).

Capital

Capital	6 Months Ended
	Jun. 30, 2017
Stockholders' Equity Note [Abstract]
Capital	CAPITAL Capital Requirements: The FHLBank is subject to three capital requirements under the provisions of the Gramm-Leach-Bliley Act (GLB Act) and the Federal Housing Finance Agency's (FHFA) capital structure regulation. Regulatory capital does not include AOCI but does include mandatorily redeemable capital stock. • Risk-based capital. The FHLBank must maintain at all times permanent capital in an amount at least equal to the sum of its credit risk, market risk and operations risk capital requirements. The risk-based capital requirements are all calculated in accordance with the rules and regulations of the FHFA. Only permanent capital, defined as Class B Common Stock and retained earnings, can be used by the FHLBank to satisfy its risk-based capital requirement. The FHFA may require the FHLBank to maintain a greater amount of permanent capital than is required by the risk-based capital requirement as defined, but the FHFA has not placed any such requirement on the FHLBank to date. • Total regulatory capital. The GLB Act requires the FHLBank to maintain at all times at least a 4.0 percent total capital-to-asset ratio. Total regulatory capital is defined as the sum of permanent capital, Class A Common Stock, any general loss allowance, if consistent with GAAP and not established for specific assets, and other amounts from sources determined by the FHFA as available to absorb losses. • Leverage capital. The FHLBank is required to maintain at all times a leverage capital-to-assets ratio of at least 5.0 percent , with the leverage capital ratio defined as the sum of permanent capital weighted 1.5 times and non-permanent capital (currently only Class A Common Stock) weighted 1.0 times, divided by total assets. Table 11.1 illustrates that the FHLBank was in compliance with its regulatory capital requirements as of June 30, 2017 and December 31, 2016 (dollar amounts in thousands): Table 11.1 06/30/2017 12/31/2016 Required Actual Required Actual Regulatory capital requirements: Risk-based capital $ 344,984 $ 2,014,097 $ 333,044 $ 1,800,372 Total regulatory capital-to-asset ratio 4.0 % 4.5 % 4.0 % 4.3 % Total regulatory capital $ 1,989,662 $ 2,230,212 $ 1,808,670 $ 1,964,541 Leverage capital ratio 5.0 % 6.5 % 5.0 % 6.3 % Leverage capital $ 2,487,077 $ 3,237,260 $ 2,260,837 $ 2,864,727 Mandatorily Redeemable Capital Stock: The FHLBank is a cooperative whose members and former members own all of the FHLBank’s capital stock. Member shares cannot be purchased or sold except between the FHLBank and its members at a price equal to the $100 per share par value. If a member cancels its written notice of redemption or notice of withdrawal, the FHLBank will reclassify mandatorily redeemable capital stock from a liability to equity. After the reclassification, dividends on the capital stock would no longer be classified as interest expense. Table 11.2 presents a roll-forward of mandatorily redeemable capital stock for the three and six months ended June 30, 2017 and 2016 (in thousands): Table 11.2 Three Months Ended Six Months Ended 06/30/2017 06/30/2016 06/30/2017 06/30/2016 Balance, beginning of period $ 2,264 $ 3,433 $ 2,670 $ 2,739 Capital stock subject to mandatory redemption reclassified from equity during the period 250,518 191,986 423,913 352,220 Redemption or repurchase of mandatorily redeemable capital stock during the period (246,648 ) (191,094 ) (420,462 ) (350,640 ) Stock dividend classified as mandatorily redeemable capital stock during the period 52 31 65 37 Balance, end of period $ 6,186 $ 4,356 $ 6,186 $ 4,356 Table 11.3 shows the amount of mandatorily redeemable capital stock by contractual year of redemption as of June 30, 2017 and December 31, 2016 (in thousands). The year of redemption in Table 11.3 is the end of the redemption period in accordance with the FHLBank’s capital plan. The FHLBank is not required to redeem or repurchase membership stock until six months (for Class A Common Stock) or five years (for Class B Common Stock) after the FHLBank receives notice for withdrawal. Additionally, the FHLBank is not required to redeem or repurchase activity-based stock until any activity-based stock becomes excess stock as a result of an activity no longer remaining outstanding. However, the FHLBank intends to repurchase the excess activity-based stock of non-members to the extent that it can do so and still meet its regulatory capital requirements. Table 11.3 Contractual Year of Repurchase 06/30/2017 12/31/2016 Year 1 $ 501 $ 192 Year 2 — 1 Year 3 — — Year 4 247 — Year 5 3,793 641 Past contractual redemption date due to remaining activity 1 1,645 1,836 TOTAL $ 6,186 $ 2,670 1 Represents mandatorily redeemable capital stock that is past the end of the contractual redemption period because there is activity outstanding to which the mandatorily redeemable capital stock relates. Excess Capital Stock: Excess capital stock is defined as the amount of stock held by a member (or former member) in excess of that institution’s minimum stock purchase requirement. FHFA rules limit the ability of the FHLBank to create excess member stock under certain circumstances. For example, the FHLBank may not pay dividends in the form of capital stock or issue new excess stock to members if the FHLBank’s excess stock exceeds one percent of its total assets or if the issuance of excess stock would cause the FHLBank’s excess stock to exceed one percent of its total assets. As of June 30, 2017 , the FHLBank’s excess stock was less than one percent of total assets. Capital Classification Determination: The FHFA implemented the prompt corrective action (PCA) provisions of the Housing and Economic Recovery Act of 2008. The rule established four capital classifications (i.e., adequately capitalized, undercapitalized, significantly undercapitalized, and critically undercapitalized) for FHLBanks and implemented the PCA provisions that apply to FHLBanks that are not deemed to be adequately capitalized. The FHFA determines each FHLBank’s capital classification on at least a quarterly basis. If an FHLBank is determined to be other than adequately capitalized, the FHLBank becomes subject to additional supervisory authority by the FHFA. Before implementing a reclassification, the Director of the FHFA is required to provide the FHLBank with written notice of the proposed action and an opportunity to submit a response. As of the most recent review by the FHFA for the first quarter of 2017 , the FHLBank has been classified as adequately capitalized .

Accumulated Other Comprehensive

Accumulated Other Comprehensive Income	6 Months Ended
	Jun. 30, 2017
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated Other Comprehensive Income	ACCUMULATED OTHER COMPREHENSIVE INCOME Table 12.1 summarizes the changes in AOCI for the three months ended June 30, 2017 and 2016 (in thousands): Table 12.1 Three Months Ended Net Unrealized Gain (Loss) on Available-for-Sale Securities Net Non-credit Portion of OTTI Losses on Defined Benefit Pension Plan Total AOCI Balance at March 31, 2016 $ (3,835 ) $ (7,437 ) $ (2,403 ) $ (13,675 ) Other comprehensive income (loss) before reclassification: Unrealized gain (loss) (2,440 ) (2,440 ) Accretion of non-credit loss 525 525 Reclassifications from other comprehensive income (loss) to net income: Non-credit OTTI to credit OTTI 1 4 4 Amortization of net loss - defined benefit pension plan 2 48 48 Net current period other comprehensive income (loss) (2,440 ) 529 48 (1,863 ) Balance at June 30, 2016 $ (6,275 ) $ (6,908 ) $ (2,355 ) $ (15,538 ) Balance at March 31, 2017 $ 17,830 $ (5,432 ) $ (2,870 ) $ 9,528 Other comprehensive income (loss) before reclassification: Unrealized gain (loss) 3,382 3,382 Accretion of non-credit loss 330 330 Reclassifications from other comprehensive income (loss) to net income: Non-credit OTTI to credit OTTI 1 81 81 Amortization of net loss - defined benefit pension plan 2 58 58 Net current period other comprehensive income (loss) 3,382 411 58 3,851 Balance at June 30, 2017 $ 21,212 $ (5,021 ) $ (2,812 ) $ 13,379 1 Recorded in “Net other-than-temporary impairment losses on held-to-maturity securities” on the Statements of Income. Amount represents a debit (decrease to other income (loss)). 2 Recorded in “Compensation and benefits” on the Statements of Income. Amount represents a debit (increase to other expenses). Table 12.2 summarizes the changes in AOCI for the six months ended June 30, 2017 and 2016 (in thousands): Table 12.2 Six Months Ended Net Unrealized Gain (Loss) on Available-for-Sale Securities Net Non-credit Portion of OTTI Losses on Defined Benefit Pension Plan Total AOCI Balance at December 31, 2015 $ (8,577 ) $ (7,950 ) $ (2,450 ) $ (18,977 ) Other comprehensive income (loss) before reclassification: Unrealized gain (loss) 2,302 2,302 Non-credit OTTI losses (62 ) (62 ) Accretion of non-credit loss 1,075 1,075 Reclassifications from other comprehensive income (loss) to net income: Non-credit OTTI to credit OTTI 1 29 29 Amortization of net loss - defined benefit pension plan 2 95 95 Net current period other comprehensive income (loss) 2,302 1,042 95 3,439 Balance at June 30, 2016 $ (6,275 ) $ (6,908 ) $ (2,355 ) $ (15,538 ) Balance at December 31, 2016 $ 9,345 $ (5,841 ) $ (2,927 ) $ 577 Other comprehensive income (loss) before reclassification: Unrealized gain (loss) 11,867 11,867 Non-credit OTTI losses (4 ) (4 ) Accretion of non-credit loss 706 706 Reclassifications from other comprehensive income (loss) to net income: Non-credit OTTI to credit OTTI 1 118 118 Amortization of net loss - defined benefit pension plan 2 115 115 Net current period other comprehensive income (loss) 11,867 820 115 12,802 Balance at June 30, 2017 $ 21,212 $ (5,021 ) $ (2,812 ) $ 13,379 1 Recorded in “Net other-than-temporary impairment losses on held-to-maturity securities” on the Statements of Income. Amount represents a debit (decrease to other income (loss)). 2 Recorded in “Compensation and benefits” on the Statements of Income. Amount represents a debit (increase to other expenses).

Fair Values

Fair Values	6 Months Ended
	Jun. 30, 2017
Fair Value Disclosures [Abstract]
Fair Values	FAIR VALUES The fair value amounts recorded on the Statements of Condition and presented in the note disclosures have been determined by the FHLBank using available market and other pertinent information and reflect the FHLBank’s best judgment of appropriate valuation methods. Although the FHLBank uses its best judgment in estimating the fair value of its financial instruments, there are inherent limitations in any valuation technique. Therefore, the fair values may not be indicative of the amounts that would have been realized in market transactions as of June 30, 2017 and December 31, 2016 . Subjectivity of Estimates: Estimates of the fair value of advances with options, mortgage instruments, derivatives with embedded options and consolidated obligation bonds with options are highly subjective and require judgments regarding significant matters such as the amount and timing of future cash flows, prepayment speed assumptions, expected interest rate volatility, methods to determine possible distributions of future interest rates used to value options, and the selection of discount rates that appropriately reflect market and credit risks. The use of different assumptions could have a material effect on the fair value estimates. Fair Value Hierarchy: The FHLBank records trading securities, available-for-sale securities, derivative assets and derivative liabilities at fair value on a recurring basis and on occasion, certain private-label MBS, impaired mortgage loans held for portfolio and non-financial assets on a non-recurring basis. The fair value hierarchy requires the FHLBank to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The inputs are evaluated and an overall level for the fair value measurement is determined. This overall level is an indication of the market observability of the fair value measurement for the asset or liability. The FHLBank must disclose the level within the fair value hierarchy in which the measurements are classified for all assets and liabilities. The fair value hierarchy prioritizes the inputs used to measure fair value into three broad levels: • Level 1 Inputs – Quoted prices (unadjusted) for identical assets or liabilities in active markets that the FHLBank can access on the measurement date. • Level 2 Inputs – Inputs other than quoted prices within Level 1 that are observable inputs for the asset or liability, either directly or indirectly. If the asset or liability has a specified (contractual) term, a Level 2 input must be observable for substantially the full term of the asset or liability. Level 2 inputs include the following: (1) quoted prices for similar assets and liabilities in active markets; (2) quoted prices for similar assets and liabilities in markets that are not active; (3) inputs other than quoted prices that are observable for the asset or liability (e.g., interest rates and yield curves that are observable at commonly quoted intervals and implied volatilities); and (4) inputs that are derived principally from or corroborated by observable market data by correlation or other means. • Level 3 Inputs – Unobservable inputs for the asset or liability. The FHLBank reviews its fair value hierarchy classifications on a quarterly basis. Changes in the observability of the valuation inputs may result in a reclassification of certain assets or liabilities. There were no reclassifications of assets or liabilities recorded at fair value on a recurring basis during the three and six months ended June 30, 2017 and 2016 . The carrying value and fair value of the FHLBank’s financial assets and liabilities as of June 30, 2017 and December 31, 2016 are summarized in Tables 13.1 and 13.2 (in thousands). These values do not represent an estimate of the overall market value of the FHLBank as a going concern, which would take into account future business opportunities and the net profitability of assets and liabilities. Table 13.1 06/30/2017 Carrying Value Total Fair Value Level 1 Level 2 Level 3 Netting Adjustment and Cash Collateral 1 Assets: Cash and due from banks $ 492,290 $ 492,290 $ 492,290 $ — $ — $ — Interest-bearing deposits 431,053 431,053 — 431,053 — — Securities purchased under agreements to resell 2,650,000 2,650,000 — 2,650,000 — — Federal funds sold 3,520,000 3,520,000 — 3,520,000 — — Trading securities 2,999,289 2,999,289 — 2,999,289 — — Available-for-sale securities 1,227,036 1,227,036 — 1,227,036 — — Held-to-maturity securities 4,928,406 4,927,860 — 4,746,709 181,151 — Advances 26,443,416 26,477,881 — 26,477,881 — — Mortgage loans held for portfolio, net of allowance 6,839,892 6,977,009 — 6,975,480 1,529 — Accrued interest receivable 77,308 77,308 — 77,308 — — Derivative assets 56,543 56,543 — 55,720 — 823 Liabilities: Deposits 496,015 496,015 — 496,015 — — Consolidated obligation discount notes 23,955,782 23,955,132 — 23,955,132 — — Consolidated obligation bonds 22,882,026 22,796,903 — 22,796,903 — — Mandatorily redeemable capital stock 6,186 6,186 6,186 — — — Accrued interest payable 50,517 50,517 — 50,517 — — Derivative liabilities 4,055 4,055 — 79,010 — (74,955 ) Other Asset (Liability): Industrial revenue bonds 16,500 15,480 — 15,480 — — Financing lease payable (16,500 ) (15,480 ) — (15,480 ) — — Standby letters of credit (1,064 ) (1,064 ) — (1,064 ) — — Standby bond purchase agreements 218 3,927 — 3,927 — — Advance commitments — (7,735 ) — (7,735 ) — — 1 Represents the effect of legally enforceable master netting agreements that allow the FHLBank to net settle positive and negative positions and also derivative cash collateral, related accrued interest held or placed with the same clearing agent or derivative counterparty, and variation margin for daily settled contracts . Variation margin for daily settled contracts of $1,556,000 is included with derivative assets. Table 13.2 12/31/2016 Carrying Value Total Fair Value Level 1 Level 2 Level 3 Netting Adjustment and Cash Collateral 1 Assets: Cash and due from banks $ 207,254 $ 207,254 $ 207,254 $ — $ — $ — Interest-bearing deposits 387,920 387,920 — 387,920 — — Securities purchased under agreements to resell 2,400,000 2,400,000 — 2,400,000 — — Federal funds sold 2,725,000 2,725,000 — 2,725,000 — — Trading securities 2,502,788 2,502,788 — 2,502,788 — — Available-for-sale securities 1,091,721 1,091,721 — 1,091,721 — — Held-to-maturity securities 4,502,224 4,487,252 — 4,276,650 210,602 — Advances 23,985,835 24,016,686 — 24,016,686 — — Mortgage loans held for portfolio, net of allowance 6,640,725 6,754,046 — 6,752,849 1,197 — Overnight loans to other FHLBanks 600,000 600,000 — 600,000 — — Accrued interest receivable 68,400 68,400 — 68,400 — — Derivative assets 60,900 60,900 — 76,405 — (15,505 ) Liabilities: Deposits 598,931 598,931 — 598,931 — — Consolidated obligation discount notes 21,775,341 21,774,950 — 21,774,950 — — Consolidated obligation bonds 20,722,335 20,568,653 — 20,568,653 — — Mandatorily redeemable capital stock 2,670 2,670 2,670 — — — Accrued interest payable 49,808 49,808 — 49,808 — — Derivative liabilities 7,171 7,171 — 106,667 — (99,496 ) Other Asset (Liability): Standby letters of credit (1,151 ) (1,151 ) — (1,151 ) — — Standby bond purchase agreements 6 6,016 — 6,016 — — Advance commitments — (6,241 ) — (6,241 ) — — 1 Represents the effect of legally enforceable master netting agreements that allow the FHLBank to net settle positive and negative positions and also derivative cash collateral and related accrued interest held or placed with the same clearing agent or derivative counterparty. Fair Value Methodologies and Techniques and Significant Inputs: Changes in the FHLBank's fair value methodologies and techniques and significant inputs for the period ended June 30, 2017 include the following: Industrial Revenue Bonds and Financing Lease Payable: The fair values for the industrial revenue bonds and the financing lease payable are estimated using the present value of future payments discounted using the Consolidated Obligation curve (CO curve) published by the Office of Finance. The CO curve is an internal curve constructed by the Office of Finance using the U.S. Treasury curve as a base curve that is then adjusted by adding indicative spreads obtained from market observable sources. These market indications are generally derived from pricing indications from dealers, historical pricing relationships, recent GSE trades and secondary market activity. See Note 14 for additional information on the industrial revenue bonds and related financing lease. Fair Value Measurements: Tables 13.3 and 13.4 present, for each hierarchy level, the FHLBank’s assets and liabilities that are measured at fair value on a recurring or nonrecurring basis on the Statements of Condition as of or for the periods ended June 30, 2017 and December 31, 2016 (in thousands). The FHLBank measures certain held-to-maturity securities at fair value on a nonrecurring basis due to the recognition of a credit loss. For held-to-maturity securities that had credit impairment recorded during a period for which no total impairment was recorded (the full amount of additional credit impairment was a reclassification from non-credit impairment previously recorded in AOCI), these securities were recorded at their carrying values and not fair value. The FHLBank measures certain impaired mortgage loans held for portfolio at fair value on a nonrecurring basis when, upon individual evaluation for impairment, the estimated fair value less costs to sell is lower than the recorded investment. REO is measured at fair value when the asset’s fair value less costs to sell is lower than its carrying amount. Table 13.3 06/30/2017 Total Level 1 Level 2 Level 3 Netting Adjustment and Cash Collateral 1 Recurring fair value measurements - Assets: Trading securities: Certificates of deposit $ 599,959 $ — $ 599,959 $ — $ — GSE obligations 2 1,458,009 — 1,458,009 — — U.S. obligation MBS 3 638 — 638 — — GSE MBS 4 940,683 — 940,683 — — Total trading securities 2,999,289 — 2,999,289 — — Available-for-sale securities: GSE MBS 5 1,227,036 — 1,227,036 — — Total available-for-sale securities 1,227,036 — 1,227,036 — — Derivative assets: Interest-rate related 56,505 — 55,682 — 823 Mortgage delivery commitments 38 — 38 — — Total derivative assets 56,543 — 55,720 — 823 TOTAL RECURRING FAIR VALUE MEASUREMENTS - ASSETS $ 4,282,868 $ — $ 4,282,045 $ — $ 823 Recurring fair value measurements - Liabilities: Derivative liabilities: Interest-rate related $ 3,642 $ — $ 78,597 $ — $ (74,955 ) Mortgage delivery commitments 413 — 413 — — Total derivative liabilities 4,055 — 79,010 — (74,955 ) TOTAL RECURRING FAIR VALUE MEASUREMENTS - LIABILITIES $ 4,055 $ — $ 79,010 $ — $ (74,955 ) Nonrecurring fair value measurements - Assets 6 : Held-to-maturity securities: Private-label residential MBS $ 2,144 $ — $ — $ 2,144 $ — Impaired mortgage loans 1,534 — — 1,534 — Real estate owned 555 — — 555 — TOTAL NONRECURRING FAIR VALUE MEASUREMENTS - ASSETS $ 4,233 $ — $ — $ 4,233 $ — 1 Represents the effect of legally enforceable master netting agreements that allow the FHLBank to net settle positive and negative positions and also derivative cash collateral, related accrued interest held or placed with the same clearing agent or derivative counterparty, and variation margin for daily settled contracts . 2 Represents debentures issued by other FHLBanks, Fannie Mae, Freddie Mac, Farm Credit and Farmer Mac. GSE securities are not guaranteed by the U.S. government. 3 Represents single-family MBS issued by Ginnie Mae, which are guaranteed by the U.S. government. 4 Represents single-family and multi-family MBS issued by Fannie Mae and Freddie Mac. 5 Represents multi-family MBS issued by Fannie Mae. 6 Includes assets adjusted to fair value during the six months ended June 30, 2017 and still outstanding as of June 30, 2017 . Table 13.4 12/31/2016 Total Level 1 Level 2 Level 3 Netting Adjustment and Cash Collateral 1 Recurring fair value measurements - Assets: Trading securities: GSE obligations 2 $ 1,563,351 $ — $ 1,563,351 $ — $ — U.S. obligation MBS 3 690 — 690 — — GSE MBS 4 938,747 — 938,747 — — Total trading securities 2,502,788 — 2,502,788 — — Available-for-sale securities: GSE MBS 5 1,091,721 — 1,091,721 — — Total available-for-sale securities 1,091,721 — 1,091,721 — — Derivative assets: Interest-rate related 60,686 — 76,191 — (15,505 ) Mortgage delivery commitments 214 — 214 — — Total derivative assets 60,900 — 76,405 — (15,505 ) TOTAL RECURRING FAIR VALUE MEASUREMENTS - ASSETS $ 3,655,409 $ — $ 3,670,914 $ — $ (15,505 ) Recurring fair value measurements - Liabilities: Derivative liabilities: Interest-rate related $ 6,799 $ — $ 106,295 $ — $ (99,496 ) Mortgage delivery commitments 372 — 372 — — Total derivative liabilities 7,171 — 106,667 — (99,496 ) TOTAL RECURRING FAIR VALUE MEASUREMENTS - LIABILITIES $ 7,171 $ — $ 106,667 $ — $ (99,496 ) Nonrecurring fair value measurements - Assets 6 : Held-to-maturity securities: Private-label residential MBS $ 4,781 $ — $ — $ 4,781 $ — Impaired mortgage loans 1,205 $ 1,205 Real estate owned 1,086 — — 1,086 — TOTAL NONRECURRING FAIR VALUE MEASUREMENTS - ASSETS $ 7,072 $ — $ — $ 7,072 $ — 1 Represents the effect of legally enforceable master netting agreements that allow the FHLBank to net settle positive and negative positions and also derivative cash collateral and related accrued interest held or placed with the same clearing agent or derivative counterparty. 2 Represents debentures issued by other FHLBanks, Fannie Mae, Freddie Mac and Farm Credit. GSE securities are not guaranteed by the U.S. government. 3 Represents single-family MBS issued by Ginnie Mae, which are guaranteed by the U.S. government. 4 Represents single-family and multi-family MBS issued by Fannie Mae and Freddie Mac. 5 Represents multi-family MBS issued by Fannie Mae. 6 Includes assets adjusted to fair value during the year ended December 31, 2016 and still outstanding as of December 31, 2016 .

Commitments And Contingencies

Commitments And Contingencies	6 Months Ended
	Jun. 30, 2017
Commitments and Contingencies Disclosure [Abstract]
Commitments And Contingencies	COMMITMENTS AND CONTINGENCIES Joint and Several Liability: As provided by the Federal Home Loan Bank Act of 1932, as amended (Bank Act) or FHFA regulation, consolidated obligations are backed only by the financial resources of the FHLBanks. FHLBank Topeka is jointly and severally liable with the other FHLBanks for the payment of principal and interest on all of the consolidated obligations issued by the FHLBanks. The par amounts for which FHLBank Topeka is jointly and severally liable were approximately $964,682,516,000 and $946,829,735,000 as of June 30, 2017 and December 31, 2016 , respectively. Off-balance Sheet Commitments: As of June 30, 2017 and December 31, 2016 , off-balance sheet commitments are presented in Table 14.1 (in thousands): Table 14.1 06/30/2017 12/31/2016 Notional Amount Expire Within One Year Expire After One Year Total Expire Within One Year Expire After One Year Total Standby letters of credit outstanding $ 3,039,415 $ 16,523 $ 3,055,938 $ 2,995,497 $ 12,823 $ 3,008,320 Advance commitments outstanding 74,475 69,475 143,950 37,950 45,025 82,975 Commitments for standby bond purchases 594,412 545,497 1,139,909 210,349 1,002,669 1,213,018 Commitments to fund or purchase mortgage loans 119,050 — 119,050 90,013 — 90,013 Commitments to issue consolidated bonds, at par — — — 45,000 — 45,000 Commitments to Extend Credit: Standby letters of credit are executed for members for a fee. A standby letter of credit is a short-term financing arrangement between the FHLBank and its member or non-member housing associate. If the FHLBank is required to make payment for a beneficiary’s draw, these amounts are converted into a collateralized advance to the member. As of June 30, 2017 , outstanding standby letters of credit had terms to maturity upon issuance of the currently outstanding standby letters of credit of 4 days to 10 years with a final expiration in 2020 . As of December 31, 2016 , outstanding standby letters of credit had terms to maturity upon issuance of the currently outstanding standby letters of credit of 7 days to 10 years with a final expiration in 2020 . Unearned fees as well as the value of the guarantees related to standby letters of credit are recorded in other liabilities and amounted to $1,064,000 and $1,151,000 as of June 30, 2017 and December 31, 2016 , respectively. Standby letters of credit are fully collateralized with assets allowed by the FHLBank’s Member Products Policy (MPP) . Advance commitments legally bind and unconditionally obligate the FHLBank for additional advances up to 24 months in the future. Based upon management’s credit analysis of members and collateral requirements under the MPP, the FHLBank does not expect to incur any credit losses on the outstanding letters of credit or advance commitments. Standby Bond-Purchase Agreements: The FHLBank has entered into standby bond purchase agreements with state housing authorities whereby the FHLBank, for a fee, agrees to purchase and hold the authorities’ bonds until the designated marketing agent can find a suitable investor or the housing authority repurchases the bond according to a schedule established by the standby agreement. Each standby agreement dictates the specific terms that would require the FHLBank to purchase the bond. The bond purchase commitments entered into by the FHLBank expire no later than 2020 , though some are renewable at the option of the FHLBank. As of June 30, 2017 and December 31, 2016 , the total commitments for bond purchases were with two in-district and one out-of-district state housing authorities. The FHLBank was not required to purchase any bonds under any agreements during the three and six months ended June 30, 2017 and 2016 . Commitments to Purchase Mortgage Loans: These commitments that unconditionally obligate the FHLBank to purchase mortgage loans from participating FHLBank Topeka members in the MPF Program are generally for periods not to exceed 60 calendar days. Certain commitments are recorded as derivatives at their fair values on the Statements of Condition. The FHLBank recorded mortgage delivery commitment net derivative asset (liability) balances of $(375,000) and $(158,000) as of June 30, 2017 and December 31, 2016 , respectively. Commitments to Issue Consolidated Obligations: The FHLBank enters into commitments to issue consolidated obligation bonds and discount notes outstanding in the normal course of its business. All settle within the shortest period possible and are considered regular way trades; thus, the commitments are appropriately not recorded as derivatives. Other Commitments: On June 28, 2017 , the FHLBank completed an industrial revenue bond financing transaction with Shawnee County, Kansas (County) that will provide property tax savings for 10 years on the FHLBank's new headquarters. In the transaction, the County acquired an interest in the land, improvements, building and equipment (collectively, the Project) by issuing up to $36,000,000 of industrial revenue bonds due December 31, 2027 (IRBs) and leased the Project to the FHLBank for an identical 127 -month term under a financing lease. The IRBs are collateralized by the Project and the lease revenues for the related leasing transaction with the County. The IRBs were purchased by the FHLBank. The County assigned the lease to the bond trustee for the FHLBank's benefit as the sole holder of the IRBs. The FHLBank can prepay the IRBs at any time, but would forfeit its property tax benefit in the event the IRBs were to be prepaid. As a result, the land and building will remain a component of the property, plant and equipment in the FHLBank's statement of financial condition. The IRBs and the equivalent liability are included in the FHLBank's statement of financial condition in Other Assets and Other Liabilities, respectively. The FHLBank, as holder of the IRBs, is due interest at 2.0 percent per annum with interest payable annual ly in arrears on December 1, beginning December 1, 2017 . This interest income is directly offset by the financing interest expense payments on the land and building, which are due at the same time and in the same amount as the interest income. The bond trustee for the transaction is BOKF, N.A., a related party disclosed in Note 15 . As bond trustee, BOKF, N.A. received trustee fees of $11,000 . As of June 30, 2017, $16,500,000 of the IRBs were issued and outstanding.

Transactions With Stockholders

Transactions With Stockholders	6 Months Ended
	Jun. 30, 2017
Federal Home Loan Banks [Abstract]
Transactions With Stockholders And Housing Associates	TRANSACTIONS WITH STOCKHOLDERS The FHLBank is a cooperative whose members own the capital stock of the FHLBank and generally receive dividends on their investments. In addition, certain former members that still have outstanding transactions are also required to maintain their investments in FHLBank capital stock until the transactions mature or are paid off. Nearly all outstanding advances are with current members, and the majority of outstanding mortgage loans held for portfolio were purchased from current or former members. The FHLBank also maintains demand deposit accounts for members primarily to facilitate settlement activities that are directly related to advances and mortgage loan purchases. Transactions with members are entered into in the ordinary course of business. In instances where members also have officers or directors who are directors of the FHLBank, transactions with those members are subject to the same eligibility and credit criteria, as well as the same terms and conditions, as other transactions with members. For financial reporting and disclosure purposes, the FHLBank defines related parties as FHLBank directors’ financial institutions and members with capital stock investments in excess of 10 percent of the FHLBank’s total regulatory capital stock outstanding, which includes mandatorily redeemable capital stock. Activity with Members that Exceed a 10 Percent Ownership in FHLBank Capital Stock: Tables 15.1 and 15.2 present information as of June 30, 2017 and December 31, 2016 on members that owned more than 10 percent of outstanding FHLBank regulatory capital stock in 2017 or 2016 (dollar amounts in thousands). None of the officers or directors of these members currently serve on the FHLBank’s board of directors. Table 15.1 06/30/2017 Member Name State Total Class A Stock Par Value Percent of Total Class A Total Class B Stock Par Value Percent of Total Class B Total Capital Stock Par Value Percent of Total Capital Stock BOKF, N.A. OK $ 27,450 12.7 % $ 246,664 20.2 % $ 274,114 19.0 % MidFirst Bank OK 500 0.2 233,663 19.1 234,163 16.3 TOTAL $ 27,950 12.9 % $ 480,327 39.3 % $ 508,277 35.3 % Table 15.2 12/31/2016 Member Name State Total Class A Stock Par Value Percent of Total Class A Total Class B Stock Par Value Percent of Total Class B Total Capital Stock Par Value Percent of Total Capital Stock BOKF, N.A. OK $ 500 0.3 % $ 219,755 20.6 % $ 220,255 17.9 % MidFirst Bank OK 500 0.3 197,669 18.6 198,169 16.1 TOTAL $ 1,000 0.6 % $ 417,424 39.2 % $ 418,424 34.0 % Advance and deposit balances with members that owned more than 10 percent of outstanding FHLBank regulatory capital stock as of June 30, 2017 and December 31, 2016 are summarized in Table 15.3 (dollar amounts in thousands). Table 15.3 06/30/2017 12/31/2016 06/30/2017 12/31/2016 Member Name Outstanding Advances Percent of Total Outstanding Advances Percent of Total Outstanding Deposits Percent of Total Outstanding Deposits Percent of Total BOKF, N.A. $ 5,200,000 19.7 % $ 4,800,000 20.0 % $ 9,215 1.9 % $ 54,145 9.1 % MidFirst Bank 5,100,000 19.3 4,340,000 18.1 236 — 424 0.1 TOTAL $ 10,300,000 39.0 % $ 9,140,000 38.1 % $ 9,451 1.9 % $ 54,569 9.2 % BOKF, N.A. and MidFirst Bank did no t sell any mortgage loans into the MPF Program during the three and six months ended June 30, 2017 and 2016 . Transactions with FHLBank Directors’ Financial Institutions: Table 15.4 presents information as of June 30, 2017 and December 31, 2016 for members that had an officer or director serving on the FHLBank’s board of directors (dollar amounts in thousands). Information is only included for the period in which the officer or director served on the FHLBank’s board of directors. Capital stock listed is regulatory capital stock, which includes mandatorily redeemable capital stock. Table 15.4 06/30/2017 12/31/2016 Outstanding Amount Percent of Total Outstanding Amount Percent of Total Advances $ 169,754 0.6 % $ 172,793 0.7 % Deposits $ 9,695 2.0 % $ 12,329 2.1 % Class A Common Stock $ 8,966 4.1 % $ 3,782 2.3 % Class B Common Stock 7,754 0.6 5,585 0.5 TOTAL CAPITAL STOCK $ 16,720 1.2 % $ 9,367 0.8 % Table 15.5 presents mortgage loans acquired during the three and six months ended June 30, 2017 and 2016 for members that had an officer or director serving on the FHLBank’s board of directors in 2017 or 2016 (dollar amounts in thousands). Information is only included for the period in which the officer or director served on the FHLBank’s board of directors. Table 15.5 Three Months Ended Six Months Ended 06/30/2017 06/30/2016 06/30/2017 06/30/2016 Amount Percent of Total Amount Percent of Total Amount Percent of Total Amount Percent of Total Mortgage loans acquired $ 26,126 7.1 % $ 21,602 6.6 % $ 54,992 8.4 % $ 33,703 6.1 %

Basis of Presentation (Policy)

Basis of Presentation (Policy)	6 Months Ended
	Jun. 30, 2017
Accounting Policies [Abstract]
Basis of Presentation, Policy	Basis of Presentation: The accompanying interim financial statements of the Federal Home Loan Bank of Topeka (FHLBank or FHLBank Topeka) are unaudited and have been prepared in accordance with accounting principles generally accepted in the United States of America (GAAP) for interim financial information and with the instruction provided by Article 10, Rule 10-01 of Regulation S-X. The financial statements contain all adjustments which are, in the opinion of management, necessary for a fair statement of the FHLBank’s financial position, results of operations and cash flows for the interim periods presented. All such adjustments were of a normal recurring nature. The results of operations for the periods presented are not necessarily indicative of the results to be expected for the full fiscal year or any other interim period. The FHLBank’s significant accounting policies and certain other disclosures are set forth in the notes to the audited financial statements for the year ended December 31, 2016 . The interim financial statements presented herein should be read in conjunction with the FHLBank’s audited financial statements and notes thereto, which are included in the FHLBank’s annual report on Form 10-K filed with the Securities and Exchange Commission (SEC) on March 9, 2017 (annual report on Form 10-K). The notes to the interim financial statements highlight significant changes to the notes included in the annual report on Form 10-K.
Use Of Estimates, Policy	Use of Estimates : The preparation of financial statements under GAAP requires management to make estimates and assumptions as of the date of the financial statements in determining the reported amounts of assets, liabilities and estimated fair values and in determining the disclosure of any contingent assets or liabilities. Estimates and assumptions by management also affect the reported amounts of income and expense during the reporting period. The most significant of these estimates include the fair value of trading and available-for-sale securities, the fair value of derivatives and the allowance for credit losses. Many of the estimates and assumptions, including those used in financial models, are based on financial market conditions as of the date of the financial statements. Because of the volatility of the financial markets, as well as other factors that affect management estimates, actual results may vary from these estimates.
Derivatives, Policy [Policy Text Block]	Derivatives: All derivatives are recognized on the Statements of Condition at their fair values (including net accrued interest receivable or payable on the derivatives) and are reported as either derivative assets or derivative liabilities, net of cash collateral, including initial and variation margin, and accrued interest received or pledged by clearing agents and/or counterparties. The fair values of derivatives are netted by clearing agent or counterparty when the netting requirements have been met. If these netted amounts are positive, they are classified as an asset and, if negative, they are classified as a liability. Cash flows associated with derivatives are reflected as cash flows from operating activities in the Statements of Cash Flows unless the derivative meets the criteria to be a financing derivative. The FHLBank utilizes two Derivative Clearing Organizations (Clearinghouses) for all cleared derivative transactions, LCH.Clearnet LLC and CME Clearing. Effective January 3, 2017, CME Clearing made certain amendments to its rulebook changing the legal characterization of variation margin payments to be daily settlement payments rather than collateral. Variation margin payments related to LCH.Clearnet LLC contracts continue to be characterized as cash collateral. At both Clearinghouses, initial margin is considered cash collateral.
New Accounting Pronouncements, Policy	Premium Amortization on Purchased Callable Debt Securities. In March 2017, Financial Accounting Standards Board (FASB) issued an amendment to shorten the amortization period of any premium on callable debt securities to the first call date instead of over the contractual life of the instrument. The amendment does not require an accounting change for securities held at a discount; the discount continues to be amortized to maturity. The guidance is intended to reduce diversity in practice in the amortization of premiums and the consideration of how the potential of a security being called is factored into current impairment assessments. The amendment also intends to more closely align the amortization of premiums and discounts to the expectations incorporated into the market pricing of the instrument. The amendment will be effective for annual periods, and interim periods within those annual periods, beginning after December 15, 2018, which is January 1, 2019 for the FHLBank, and early adoption is permitted. This guidance should be applied using a modified retrospective method through a cumulative-effect adjustment directly to retained earnings as of the beginning of the period of adoption. The adoption of this guidance is not expected to have a material effect on the FHLBank's financial condition, results of operations or cash flows. Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost. In March 2017, FASB issued an amendment to improve the presentation of net periodic pension cost and net periodic postretirement benefit cost. The amendment requires that the employer disaggregate the service cost component and the other components of net benefit cost and allow only the service cost component of net benefit cost to be eligible for capitalization. The amendment is intended to provide transparency, consistency, and usefulness to users of financial statements. The amendment will be effective for annual periods, and interim periods within those annual periods, beginning after December 15, 2017, which is January 1, 2018 for the FHLBank, and early adoption is permitted. This guidance should be applied retrospectively for the presentation of the service cost component and the other components of net periodic pension cost and net periodic postretirement benefit cost in the income statement and prospectively, on and after the effective date, for the capitalization of the service cost component of net periodic pension cost and net periodic postretirement benefit in assets. The adoption of this guidance is not expected to have a material effect on the FHLBank's financial condition, results of operations or cash flows. Classification of Certain Cash Receipts and Cash Payments. In August 2016, FASB issued amendments to clarify guidance on the classification of certain cash receipts and payments in the statement of cash flows. This guidance is intended to reduce existing diversity in practice in how certain cash receipts and cash payments are presented and classified in the statement of cash flows. This guidance is effective for the FHLBank for interim and annual periods beginning on January 1, 2018, and early adoption is permitted. This guidance should be applied using a retrospective transition method to each period presented. This guidance is not expected to have an impact on the FHLBank's statement of cash flows. Measurement of Credit Losses on Financial Instruments. In June 2016, FASB issued amended guidance for the accounting of credit losses on financial instruments. The amendments require entities to measure expected credit losses based on relevant information about past events, including historical experience, current conditions, and reasonable and supportable forecasts that affect the collectability of the reported amount. An entity must use judgment in determining the relevant information and estimation methods that are appropriate in its circumstances. Additionally, under the new guidance, a financial asset, or a group of financial assets, measured at amortized cost basis is required to be presented at the net amount expected to be collected. The guidance also requires: • The statement of income to reflect the measurement of credit losses for newly recognized financial assets, as well as the expected increases or decreases of expected credit losses that have taken place during the period; • The entities to determine the allowance for credit losses for purchased financial assets with a more-than-insignificant amount of credit deterioration since origination that are measured at amortized cost basis in a similar manner to other financial assets measured at amortized cost basis. The initial allowance for credit losses is required to be added to the purchase price; • Credit losses relating to available-for-sale debt securities to be recorded through an allowance for credit losses. The amendments limit the allowance for credit losses to the amount by which fair value is below amortized cost; and • Public entities to further disaggregate the current disclosure of credit quality indicators in relation to the amortized cost of financing receivables by the year of origination (i.e., vintage). The guidance is effective for the FHLBank for interim and annual periods beginning on January 1, 2020. Early application is permitted as of the interim and annual reporting periods beginning after December 15, 2018. The guidance should be applied using a modified-retrospective approach, through a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period in which the guidance is effective. In addition, entities are required to use a prospective transition approach for debt securities for which an other-than-temporary impairment (OTTI) charge had been recognized before the effective date. The FHLBank has formed an internal working group that has begun its implementation efforts by identifying key interpretive issues and potential impacts to processes and systems that will eventually determine the magnitude of the impact on the FHLBank's financial condition, results of operations and cash flows. Contingent Put and Call Options in Debt Instruments. In March 2016, FASB issued amendments to resolve current diversity in practice by clarifying the steps required when assessing whether the economic characteristics and risks of call (put) options are clearly and closely related to the economic characteristics and risks of their debt hosts, which is one of the criteria for bifurcating an embedded derivative. The amendments apply to all entities that are issuers of or investors in debt instruments (or hybrid financial instruments that are determined to have a debt host) with embedded call (put) options. The amendments became effective for annual periods, and interim periods within those annual periods, beginning on January 1, 2017. The adoption of this guidance had no effect on the FHLBank's financial condition, results of operations or cash flows. Leases. In February 2016, FASB issued amendments to lease accounting guidance. Under the new guidance, lessees will be required to recognize a lease liability and a right-of-use asset for all leases in the statement of financial condition, which effectively removes a source of off-balance sheet financing for operating leases. A distinction remains between finance leases and operating leases, but the assets and liabilities arising from operating leases are now also required to be recognized in the statement of financial condition. Lessor accounting is largely unchanged. The amendments are effective for annual periods, and interim periods within those annual periods, beginning after December 15, 2018, which is January 1, 2019 for the FHLBank. The FHLBank has a limited number of lease agreements and is currently evaluating this guidance to determine the impact, if any, on the FHLBank's financial condition, results of operations or cash flows. Recognition and Measurement of Financial Assets and Financial Liabilities. In January 2016, FASB issued amendments to improve the recognition, measurement, presentation and disclosure of financial instruments through changes to existing GAAP. The provisions impacting the FHLBank include the elimination of the requirement to disclose the method and significant assumptions used to estimate the fair value of financial instruments carried at amortized cost, the requirement to use the notion of exit price when measuring the fair value of financial instruments for disclosure purposes, and the separate presentation of financial assets and financial liabilities by measurement category and form of asset (i.e., securities or loans and receivables) on the statement of financial condition or in the notes to financial statements. The amendments are effective for annual periods, and interim periods within those annual periods, beginning after December 15, 2017, which is January 1, 2018 for the FHLBank. The FHLBank has concluded that this guidance will impact disclosures related to the fair value of financial instruments. However, this guidance is not expected to have an impact on the FHLBank's financial condition, results of operations or cash flows. Revenue Recognition. In May 2014, FASB issued guidance to introduce a new revenue recognition model in which an entity should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. This guidance also requires disclosures sufficient to enable users to understand the nature, amount, timing, and uncertainty of revenue and cash flows arising from contracts with customers, including qualitative and quantitative disclosures about contracts with customers, significant judgments and changes in judgments, and assets recognized from the costs to obtain or fulfill a contract. In July 2015, FASB voted to defer the effective date of the new standard by one year. In addition, in March 2016, FASB issued amendments to clarify the implementation guidance on principal versus agent considerations, in particular, relating to how an entity should determine whether the entity is a principal or an agent for each specified good or service promised to the customer and the nature of each specified good or service. The amendments do not change the core principle in the new revenue standard. The standard is effective for fiscal years, including interim periods within those fiscal years, beginning after December 15, 2017, which is January 1, 2018 for the FHLBank. Because the guidance does not apply to revenue associated with financial instruments, including loans and securities that are accounted for under other GAAP, the adoption of this guidance has limited potential for impact to the FHLBank. The FHLBank has completed an analysis of its sources of revenue that fall within the scope of the guidance and does not expect the new guidance to have a material impact on its financial condition, results of operations or cash flows.
Finance, Loan and Lease Receivables, Held-for-investment, Allowance and Nonperforming Loans, Allowance Policy	The FHLBank has established an allowance methodology for each of its portfolio segments: credit products (advances, letters of credit and other extensions of credit to borrowers); government mortgage loans held for portfolio; conventional mortgage loans held for portfolio; the direct financing lease receivable; term Federal funds sold; and term securities purchased under agreements to resell. Based on management's analyses of each portfolio segment, the FHLBank has only established an allowance for credit losses on its conventional mortgage loans held for portfolio.
Fair Value Transfer, Policy	The FHLBank reviews its fair value hierarchy classifications on a quarterly basis. Changes in the observability of the valuation inputs may result in a reclassification of certain assets or liabilities.

Investment Securities (Tables)

Investment Securities (Tables)	6 Months Ended
	Jun. 30, 2017
Trading Securities [Member]
Investment Holdings [Line Items]
Trading Securities by Major Security Type	Trading securities by major security type as of June 30, 2017 and December 31, 2016 are summarized in Table 3.1 (in thousands): Table 3.1 Fair Value 06/30/2017 12/31/2016 Non-mortgage-backed securities: Certificates of deposit $ 599,959 $ — GSE obligations 1 1,458,009 1,563,351 Non-mortgage-backed securities 2,057,968 1,563,351 Mortgage-backed securities: U.S. obligation MBS 2 638 690 GSE MBS 3 940,683 938,747 Mortgage-backed securities 941,321 939,437 TOTAL $ 2,999,289 $ 2,502,788 1 Represents debentures issued by other FHLBanks, Federal National Mortgage Association (Fannie Mae), Federal Home Loan Mortgage Corporation (Freddie Mac), Federal Farm Credit Bank (Farm Credit) and Federal Agricultural Mortgage Corporation (Farmer Mac). GSE securities are not guaranteed by the U.S. government. 2 Represents single-family MBS issued by Government National Mortgage Association (Ginnie Mae), which are guaranteed by the U.S. government. 3 Represents single-family and multi-family MBS issued by Fannie Mae and Freddie Mac.
Net Gains (Losses) on Trading Securities	Net gains (losses) on trading securities during the three and six months ended June 30, 2017 and 2016 are shown in Table 3.2 (in thousands): Table 3.2 Three Months Ended Six Months Ended 06/30/2017 06/30/2016 06/30/2017 06/30/2016 Net gains (losses) on trading securities held as of June 30, 2017 $ 9,216 $ 24,494 $ 15,122 $ 79,092 Net gains (losses) on trading securities sold or matured prior to June 30, 2017 (822 ) (5,968 ) (2,041 ) (11,362 ) NET GAIN (LOSS) ON TRADING SECURITIES $ 8,394 $ 18,526 $ 13,081 $ 67,730
Available-for-sale Securities [Member]
Investment Holdings [Line Items]
Available-for-sale Securities by Major Security Type	Available-for-sale securities by major security type as of June 30, 2017 are summarized in Table 3.3 (in thousands): Table 3.3 06/30/2017 Amortized Cost Gross Unrecognized Gains Gross Unrecognized Losses Fair Value Mortgage-backed securities: GSE MBS 1 $ 1,205,824 $ 21,333 $ (121 ) $ 1,227,036 TOTAL $ 1,205,824 $ 21,333 $ (121 ) $ 1,227,036 1 Represents fixed rate multi-family MBS issued by Fannie Mae . Available-for-sale securities by major security type as of December 31, 2016 are summarized in Table 3.4 (in thousands): Table 3.4 12/31/2016 Amortized Gross Gross Fair Value Mortgage-backed securities: GSE MBS 1 $ 1,082,376 $ 9,396 $ (51 ) $ 1,091,721 TOTAL $ 1,082,376 $ 9,396 $ (51 ) $ 1,091,721 1 Represents fixed rate multi-family MBS issued by Fannie Mae .
Securities in A Continous Unrealized Loss Postion	Table 3.5 summarizes the available-for-sale securities with unrealized losses as of June 30, 2017 (in thousands). The unrealized losses are aggregated by major security type and length of time that individual securities have been in a continuous unrealized loss position. Table 3.5 06/30/2017 Less Than 12 Months 12 Months or More Total Fair Value Unrealized Losses Fair Value Unrealized Losses Fair Value Unrealized Losses Mortgage-backed securities: GSE MBS 1 $ 96,224 $ (121 ) $ — $ — $ 96,224 $ (121 ) TOTAL TEMPORARILY IMPAIRED SECURITIES $ 96,224 $ (121 ) $ — $ — $ 96,224 $ (121 ) 1 Represents fixed rate multi-family MBS issued by Fannie Mae . Table 3.6 summarizes the available-for-sale securities with unrealized losses as of December 31, 2016 (in thousands). The unrealized losses are aggregated by major security type and length of time that individual securities have been in a continuous unrealized loss position. Table 3.6 12/31/2016 Less Than 12 Months 12 Months or More Total Fair Value Unrealized Losses Fair Value Unrealized Losses Fair Value Unrealized Losses Mortgage-backed securities: GSE MBS 1 $ — $ — $ 33,509 $ (51 ) $ 33,509 $ (51 ) TOTAL TEMPORARILY IMPAIRED SECURITIES $ — $ — $ 33,509 $ (51 ) $ 33,509 $ (51 ) 1 Represents fixed rate multi-family MBS issued by Fannie Mae .
Held-to-maturity Securities [Member]
Investment Holdings [Line Items]
Securities in A Continous Unrealized Loss Postion	Table 3.9 summarizes the held-to-maturity securities with unrealized losses as of June 30, 2017 (in thousands). The unrealized losses are aggregated by major security type and length of time that individual securities have been in a continuous unrealized loss position. Table 3.9 06/30/2017 Less Than 12 Months 12 Months or More Total Fair Value Unrealized Losses Fair Value Unrealized Losses Fair Value Unrealized Losses 1 Non-mortgage-backed securities: State or local housing agency obligations $ — $ — $ 24,327 $ (5,673 ) $ 24,327 $ (5,673 ) Non-mortgage-backed securities — — 24,327 (5,673 ) 24,327 (5,673 ) Mortgage-backed securities: U.S. obligation MBS 2 43,558 (67 ) 18,109 (41 ) 61,667 (108 ) GSE MBS 3 442,662 (695 ) 1,653,297 (13,877 ) 2,095,959 (14,572 ) Private-label residential MBS 54 (1 ) 73,672 (3,905 ) 73,726 (3,906 ) Mortgage-backed securities 486,274 (763 ) 1,745,078 (17,823 ) 2,231,352 (18,586 ) TOTAL TEMPORARILY IMPAIRED SECURITIES $ 486,274 $ (763 ) $ 1,769,405 $ (23,496 ) $ 2,255,679 $ (24,259 ) 1 Total unrealized losses in Table 3.9 will not agree to total gross unrecognized losses in Table 3.7 . Total unrealized losses in Table 3.9 include non-credit-related OTTI recognized in accumulated other comprehensive income (AOCI) and gross unrecognized gains on previously other-than-temporarily impaired securities. 2 Represents single-family MBS issued by Ginnie Mae, which are guaranteed by the U.S. government. 3 Represents single-family and multi-family MBS issued by Fannie Mae and Freddie Mac. Table 3.10 summarizes the held-to-maturity securities with unrealized losses as of December 31, 2016 (in thousands). The unrealized losses are aggregated by major security type and length of time that individual securities have been in a continuous unrealized loss position. Table 3.10 12/31/2016 Less Than 12 Months 12 Months or More Total Fair Value Unrealized Losses Fair Value Unrealized Losses Fair Value Unrealized Losses 1 Non-mortgage-backed securities: State or local housing agency obligations $ — $ — $ 34,348 $ (5,707 ) $ 34,348 $ (5,707 ) Non-mortgage-backed securities — — 34,348 (5,707 ) 34,348 (5,707 ) Mortgage-backed securities: U.S obligation MBS 2 — — 35,998 (201 ) 35,998 (201 ) GSE MBS 3 1,097,379 (2,612 ) 2,025,394 (19,459 ) 3,122,773 (22,071 ) Private-label residential MBS 1,903 (3 ) 85,984 (6,263 ) 87,887 (6,266 ) Mortgage-backed securities 1,099,282 (2,615 ) 2,147,376 (25,923 ) 3,246,658 (28,538 ) TOTAL TEMPORARILY IMPAIRED SECURITIES $ 1,099,282 $ (2,615 ) $ 2,181,724 $ (31,630 ) $ 3,281,006 $ (34,245 ) 1 Total unrealized losses in Table 3.10 will not agree to total gross unrecognized losses in Table 3.8 . Total unrealized losses in Table 3.10 include non-credit-related OTTI recognized in AOCI and gross unrecognized gains on previously other-than-temporarily impaired securities. 2 Represents single-family MBS issued by Ginnie Mae, which are guaranteed by the U.S. government. 3 Represents single-family and multi-family MBS issued by Fannie Mae and Freddie Mac.
Held-To-Maturity Securities by Major Security Type	Held-to-maturity securities by major security type as of June 30, 2017 are summarized in Table 3.7 (in thousands): Table 3.7 06/30/2017 Amortized Cost OTTI Recognized in AOCI Carrying Value Gross Unrecognized Gains Gross Unrecognized Losses Fair Value Non-mortgage-backed securities: State or local housing agency obligations $ 94,775 $ — $ 94,775 $ 95 $ (5,673 ) $ 89,197 Non-mortgage-backed securities 94,775 — 94,775 95 (5,673 ) 89,197 Mortgage-backed securities: U.S. obligation MBS 1 139,463 — 139,463 323 (108 ) 139,678 GSE MBS 2 4,604,767 — 4,604,767 16,836 (14,572 ) 4,607,031 Private-label residential MBS 94,422 (5,021 ) 89,401 5,198 (2,645 ) 91,954 Mortgage-backed securities 4,838,652 (5,021 ) 4,833,631 22,357 (17,325 ) 4,838,663 TOTAL $ 4,933,427 $ (5,021 ) $ 4,928,406 $ 22,452 $ (22,998 ) $ 4,927,860 1 Represents single-family MBS issued by Ginnie Mae, which are guaranteed by the U.S. government. 2 Represents single-family and multi-family MBS issued by Fannie Mae and Freddie Mac. Held-to-maturity securities by major security type as of December 31, 2016 are summarized in Table 3.8 (in thousands): Table 3.8 12/31/2016 Amortized Cost OTTI Recognized in AOCI Carrying Value Gross Unrecognized Gains Gross Unrecognized Losses Fair Value Non-mortgage-backed securities: State or local housing agency obligations $ 105,780 $ — $ 105,780 $ 98 $ (5,707 ) $ 100,171 Non-mortgage-backed securities 105,780 — 105,780 98 (5,707 ) 100,171 Mortgage-backed securities: U.S obligation MBS 1 36,331 — 36,331 — (201 ) 36,130 GSE MBS 2 4,250,547 — 4,250,547 12,044 (22,071 ) 4,240,520 Private-label residential MBS 115,407 (5,841 ) 109,566 4,869 (4,004 ) 110,431 Mortgage-backed securities 4,402,285 (5,841 ) 4,396,444 16,913 (26,276 ) 4,387,081 TOTAL $ 4,508,065 $ (5,841 ) $ 4,502,224 $ 17,011 $ (31,983 ) $ 4,487,252 1 Represents single-family MBS issued by Ginnie Mae, which are guaranteed by the U.S. government. 2 Represents single-family and multi-family MBS issued by Fannie Mae and Freddie Mac.
Held-To-Maturity Securities Classified By Contractual Maturity	The amortized cost, carrying value and fair values of held-to-maturity securities by contractual maturity as of June 30, 2017 and December 31, 2016 are shown in Table 3.11 (in thousands). Expected maturities of certain securities will differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment fees. Table 3.11 06/30/2017 12/31/2016 Amortized Cost Carrying Value Fair Value Amortized Cost Carrying Value Fair Value Non-mortgage-backed securities: Due in one year or less $ — $ — $ — $ — $ — $ — Due after one year through five years 2,420 2,420 2,420 2,710 2,710 2,710 Due after five years through 10 years — — — 10,055 10,055 10,048 Due after 10 years 92,355 92,355 86,777 93,015 93,015 87,413 Non-mortgage-backed securities 94,775 94,775 89,197 105,780 105,780 100,171 Mortgage-backed securities 4,838,652 4,833,631 4,838,663 4,402,285 4,396,444 4,387,081 TOTAL $ 4,933,427 $ 4,928,406 $ 4,927,860 $ 4,508,065 $ 4,502,224 $ 4,487,252
Other than Temporary Impairment Losses, Investments [Abstract]
Total Securities Other-Than-Temporarily Impaired during the Life of the Security	Other-than-temporary Impairment: For the 20 outstanding private-label securities with OTTI during the lives of the securities, the FHLBank’s reported balances as of June 30, 2017 are presented in Table 3.12 (in thousands): Table 3.12 06/30/2017 Unpaid Principal Balance Amortized Cost Carrying Value Fair Value Private-label residential MBS: Prime $ 8,777 $ 7,778 $ 7,168 $ 8,198 Alt-A 25,423 22,742 18,331 22,369 TOTAL $ 34,200 $ 30,520 $ 25,499 $ 30,567
Rollforward of OTTI Activity Related to Credit Losses	Table 3.13 presents a roll-forward of OTTI activity for the three and six months ended June 30, 2017 and 2016 related to credit losses recognized in earnings (in thousands): Table 3.13 Three Months Ended Six Months Ended 06/30/2017 06/30/2016 06/30/2017 06/30/2016 Balance, beginning of period $ 7,470 $ 7,776 $ 7,502 $ 7,785 Additional charge on securities for which OTTI was not previously recognized 6 1 6 1 Additional charge on securities for which OTTI was previously recognized 1 81 4 118 31 Amortization of credit component of OTTI 2 (137 ) (185 ) (206 ) (221 ) Balance, end of period $ 7,420 $ 7,596 $ 7,420 $ 7,596 1 For the three months ended June 30, 2017 and 2016, securities previously impaired represent all securities that were impaired prior to April 1, 2017 and 2016, respectively. For the six months ended June 30, 2017 and 2016, securities previously impaired represent all securities that were impaired prior to January 1, 2017 and 2016, respectively. 2 The FHLBank amortizes the credit component based on estimated cash flows prospectively up to the amount of expected principal to be recovered. The discounted cash flows will move from the discounted loss value to the ultimate principal to be written off at the projected date of loss. If the expected cash flows improve, the amount of expected loss decreases which causes a corresponding decrease in the calculated amortization. Based on the level of improvement in the cash flows, the amortization could become a positive adjustment to income.

Advances (Tables)

Advances (Tables)	6 Months Ended
	Jun. 30, 2017
Advances [Abstract]
Advances Table	Table 4.2 presents advances summarized by contractual maturity or next call date (for callable advances) and by contractual maturity or next conversion date (for convertible advances) as of June 30, 2017 and December 31, 2016 (in thousands): Table 4.2 Year of Contractual Maturity or Next Call Date Year of Contractual Maturity or Next Conversion Date Redemption Term 06/30/2017 12/31/2016 06/30/2017 12/31/2016 Due in one year or less $ 20,974,042 $ 18,411,727 $ 14,597,842 $ 12,897,983 Due after one year through two years 1,524,177 1,752,403 1,771,036 1,800,460 Due after two years through three years 792,016 750,126 1,002,665 1,168,381 Due after three years through four years 965,856 666,059 1,202,727 808,139 Due after four years through five years 534,933 755,753 901,782 945,462 Thereafter 1,640,635 1,624,447 6,955,607 6,340,090 TOTAL PAR VALUE $ 26,431,659 $ 23,960,515 $ 26,431,659 $ 23,960,515 Interest Rate Payment Terms : Table 4.3 details additional interest rate payment terms for advances as of June 30, 2017 and December 31, 2016 (in thousands): Table 4.3 06/30/2017 12/31/2016 Fixed rate: Due in one year or less $ 2,374,966 $ 2,400,382 Due after one year 5,468,391 5,589,805 Total fixed rate 7,843,357 7,990,187 Variable rate: Due in one year or less 12,079,376 10,200,801 Due after one year 6,508,926 5,769,527 Total variable rate 18,588,302 15,970,328 TOTAL PAR VALUE $ 26,431,659 $ 23,960,515 Table 4.1 presents advances summarized by year of contractual maturity as of June 30, 2017 and December 31, 2016 (dollar amounts in thousands): Table 4.1 06/30/2017 12/31/2016 Year of Contractual Maturity Amount Weighted Average Interest Rate Amount Weighted Average Interest Rate Due in one year or less $ 14,454,342 1.41 % $ 12,601,183 1.03 % Due after one year through two years 1,818,036 1.69 2,019,260 1.96 Due after two years through three years 944,565 1.92 1,073,881 1.47 Due after three years through four years 1,105,677 2.12 781,339 1.96 Due after four years through five years 705,482 2.09 848,112 2.15 Thereafter 7,403,557 1.55 6,636,740 1.19 Total par value 26,431,659 1.53 % 23,960,515 1.24 % Discounts (10,993 ) (13,977 ) Hedging adjustments 22,750 39,297 TOTAL $ 26,443,416 $ 23,985,835

Mortgage Loans (Tables)

Mortgage Loans (Tables)	6 Months Ended
	Jun. 30, 2017
Mortgage Loans on Real Estate [Abstract]
Mortgage Loans Held For Portfolio	Table 5.1 presents information as of June 30, 2017 and December 31, 2016 on mortgage loans held for portfolio (in thousands): Table 5.1 06/30/2017 12/31/2016 Real estate: Fixed rate, medium-term 1 , single-family mortgages $ 1,298,010 $ 1,353,938 Fixed rate, long-term, single-family mortgages 5,437,906 5,182,103 Total unpaid principal balance 6,735,916 6,536,041 Premiums 102,523 103,665 Discounts (2,584 ) (2,276 ) Deferred loan costs, net 319 387 Other deferred fees (72 ) (85 ) Hedging adjustments 5,315 4,667 Total before Allowance for Credit Losses on Mortgage Loans 6,841,417 6,642,399 Allowance for Credit Losses on Mortgage Loans (1,525 ) (1,674 ) MORTGAGE LOANS HELD FOR PORTFOLIO, NET $ 6,839,892 $ 6,640,725 1 Medium-term defined as a term of 15 years or less at origination. Table 5.2 presents information as of June 30, 2017 and December 31, 2016 on the outstanding unpaid principal balance (UPB) of mortgage loans held for portfolio (in thousands): Table 5.2 06/30/2017 12/31/2016 Conventional loans $ 6,073,415 $ 5,899,924 Government-guaranteed or insured loans 662,501 636,117 TOTAL UNPAID PRINCIPAL BALANCE $ 6,735,916 $ 6,536,041

Allowance For Credit Losses (Ta

Allowance For Credit Losses (Tables)	6 Months Ended
	Jun. 30, 2017
Receivables [Abstract]
Rollforward of Allowance for Credit Losses on Mortgage Loans	Table 6.1 presents a roll-forward of the allowance for credit losses for the three and six months ended June 30, 2017 as well as the method used to evaluate impairment relating to all portfolio segments regardless of whether or not an estimated credit loss has been recorded as of June 30, 2017 (in thousands). The recorded investment in a financing receivable is the UPB, adjusted for accrued interest, net deferred loan fees or costs, unamortized premiums or discounts, fair value hedging adjustments and direct write-downs. The recorded investment is not net of any valuation allowance. Table 6.1 06/30/2017 Conventional Loans Government Loans Credit Products 1 Direct Financing Lease Receivable Total Allowance for credit losses: Balance, beginning of three-month period $ 1,617 $ — $ — $ — $ 1,617 Net (charge-offs) recoveries (112 ) — — — (112 ) (Reversal) provision for credit losses 20 — — — 20 Balance, end of three-month period $ 1,525 $ — $ — $ — $ 1,525 Balance, beginning of six-month period $ 1,674 $ — $ — $ — $ 1,674 Net (charge-offs) recoveries (124 ) — — — (124 ) (Reversal) provision for credit losses (25 ) — — — (25 ) Balance, end of six-month period $ 1,525 $ — $ — $ — $ 1,525 Allowance for credit losses, end of period: Individually evaluated for impairment $ 33 $ — $ — $ — $ 33 Collectively evaluated for impairment 1,492 — — — 1,492 Recorded investment, end of period: Individually evaluated for impairment $ 10,878 $ — $ 26,472,708 $ 16,130 $ 26,499,716 Collectively evaluated for impairment 6,186,559 676,480 — — 6,863,039 Total $ 6,197,437 $ 676,480 $ 26,472,708 $ 16,130 $ 33,362,755 1 The recorded investment for credit products includes only advances. The recorded investment for all other credit products is insignificant. Table 6.2 presents a roll-forward of the allowance for credit losses for the three and six months ended June 30, 2016 as well as the method used to evaluate impairment relating to all portfolio segments regardless of whether or not an estimated credit loss has been recorded as of June 30, 2016 (in thousands): Table 6.2 06/30/2016 Conventional Loans Government Loans Credit Products 1 Direct Financing Lease Receivable Total Allowance for credit losses: Balance, beginning of three-month period $ 1,607 $ — $ — $ — $ 1,607 Net (charge-offs) recoveries (97 ) — — — (97 ) (Reversal) provision for credit losses (212 ) — — — (212 ) Balance, end of three-month period $ 1,298 $ — $ — $ — $ 1,298 Balance, beginning of six-month period $ 1,972 $ — $ — $ — $ 1,972 Net (charge-offs) recoveries (205 ) — — — (205 ) (Reversal) provision for credit losses (469 ) — — — (469 ) Balance, end of six-month period $ 1,298 $ — $ — $ — $ 1,298 Allowance for credit losses, end of period: Individually evaluated for impairment $ — $ — $ — $ — $ — Collectively evaluated for impairment 1,298 — — — 1,298 Recorded investment, end of period: Individually evaluated for impairment $ 12,722 $ — $ 26,208,296 $ 18,598 $ 26,239,616 Collectively evaluated for impairment 5,832,702 659,475 — — 6,492,177 Total $ 5,845,424 $ 659,475 $ 26,208,296 $ 18,598 $ 32,731,793 1 The recorded investment for credit products includes only advances. The recorded investment for all other credit products is insignificant.
Recorded Investment in Delinquent Mortgage Loans	Table 6.3 summarizes the delinquency aging and key credit quality indicators for all of the FHLBank’s portfolio segments as of June 30, 2017 (dollar amounts in thousands): Table 6.3 06/30/2017 Conventional Loans Government Loans Credit Products 1 Direct Financing Lease Receivable Total Recorded investment: Past due 30-59 days delinquent $ 33,521 $ 15,586 $ — $ — $ 49,107 Past due 60-89 days delinquent 9,465 6,690 — — 16,155 Past due 90 days or more delinquent 7,416 2,403 — — 9,819 Total past due 50,402 24,679 — — 75,081 Total current loans 6,147,035 651,801 26,472,708 16,130 33,287,674 Total recorded investment $ 6,197,437 $ 676,480 $ 26,472,708 $ 16,130 $ 33,362,755 Other delinquency statistics: In process of foreclosure, included above 2 $ 3,894 $ 1,163 $ — $ — $ 5,057 Serious delinquency rate 3 0.1 % 0.4 % — % — % — % Past due 90 days or more and still accruing interest $ — $ 2,403 $ — $ — $ 2,403 Loans on non-accrual status 4 $ 14,435 $ — $ — $ — $ 14,435 1 The recorded investment for credit products includes only advances. The recorded investment for all other credit products is insignificant. 2 Includes loans where the decision of foreclosure or similar alternative such as pursuit of deed-in-lieu has been reported. Loans in process of foreclosure are included in past due or current loans dependent on their delinquency status. 3 Loans that are 90 days or more past due or in the process of foreclosure expressed as a percentage of the total recorded investment for the portfolio class. 4 Loans on non-accrual status include $1,365,000 of troubled debt restructurings. Troubled debt restructurings are restructurings in which the FHLBank, for economic or legal reasons related to the debtor’s financial difficulties, grants a concession to the debtor that it would not otherwise consider. Table 6.4 summarizes the key credit quality indicators for all of the FHLBank’s portfolio segments as of December 31, 2016 (dollar amounts in thousands): Table 6.4 12/31/2016 Conventional Loans Government Loans Credit Products 1 Direct Financing Lease Receivable Total Recorded investment: Past due 30-59 days delinquent $ 40,290 $ 16,920 $ — $ — $ 57,210 Past due 60-89 days delinquent 7,982 6,383 — — 14,365 Past due 90 days or more delinquent 11,970 5,185 — — 17,155 Total past due 60,242 28,488 — — 88,730 Total current loans 5,962,533 622,856 24,009,010 17,385 30,611,784 Total recorded investment $ 6,022,775 $ 651,344 $ 24,009,010 $ 17,385 $ 30,700,514 Other delinquency statistics: In process of foreclosure, included above 2 $ 4,408 $ 1,748 $ — $ — $ 6,156 Serious delinquency rate 3 0.2 % 0.8 % — % — % 0.1 % Past due 90 days or more and still accruing interest $ — $ 5,185 $ — $ — $ 5,185 Loans on non-accrual status 4 $ 15,002 $ — $ — $ — $ 15,002 1 The recorded investment for credit products includes only advances. The recorded investment for all other credit products is insignificant. 2 Includes loans where the decision of foreclosure or similar alternative such as pursuit of deed-in-lieu has been reported. Loans in process of foreclosure are included in past due or current loans dependent on their delinquency status. 3 Loans that are 90 days or more past due or in the process of foreclosure expressed as a percentage of the total recorded investment for the portfolio class. 4 Loans on non-accrual status include $1,327,000 of troubled debt restructurings. Troubled debt restructurings are restructurings in which the FHLBank, for economic or legal reasons related to the debtor’s financial difficulties, grants a concession to the debtor that it would not otherwise consider.
Individually Evaluated Impaired Loan Statistics By Product Class Level	Table 6.5 presents the recorded investment, UPB, and related allowance of impaired conventional mortgage loans individually assessed for impairment as of June 30, 2017 and December 31, 2016 (in thousands): Table 6.5 06/30/2017 12/31/2016 Recorded Investment Unpaid Principal Balance Related Allowance Recorded Investment Unpaid Principal Balance Related Allowance With no related allowance $ 10,738 $ 10,683 $ — $ 11,834 $ 11,776 $ — With an allowance 140 139 33 — — — TOTAL $ 10,878 $ 10,822 $ 33 $ 11,834 $ 11,776 $ —
Impaired Financing Receivables	Table 6.6 presents the average recorded investment and related interest income recognized on these individually evaluated impaired loans during the three and six months ended June 30, 2017 and 2016 (in thousands): Table 6.6 Three Months Ended Six Months Ended 06/30/2017 06/30/2016 06/30/2017 06/30/2016 Average Recorded Investment Interest Income Recognized Average Recorded Investment Interest Income Recognized Average Recorded Investment Interest Income Recognized Average Recorded Investment Interest Income Recognized With no related allowance $ 10,887 $ 54 $ 12,661 $ 65 $ 11,269 $ 128 $ 11,991 $ 147 With an allowance 46 (4 ) — — 24 (4 ) — — TOTAL $ 10,933 $ 50 $ 12,661 $ 65 $ 11,293 $ 124 $ 11,991 $ 147

Derivatives And Hedging Activ29

Derivatives And Hedging Activities (Tables)	6 Months Ended
	Jun. 30, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Fair Value of Derivative Instruments	Table 7.1 presents outstanding notional amounts and fair values (excluding fair value adjustments related to variation margin on daily settled contracts) of the derivatives outstanding by type of derivative and by hedge designation as of June 30, 2017 and December 31, 2016 (in thousands). Total derivative assets and liabilities include the effect of netting adjustments, cash collateral, and variation margin for daily settled contracts. Table 7.1 06/30/2017 12/31/2016 Notional Amount Derivative Assets Derivative Liabilities Notional Amount Derivative Assets Derivative Liabilities Derivatives designated as hedging instruments: Interest rate swaps $ 7,351,869 $ 53,446 $ 43,586 $ 7,896,110 $ 70,683 $ 65,471 Total derivatives designated as hedging relationships 7,351,869 53,446 43,586 7,896,110 70,683 65,471 Derivatives not designated as hedging instruments: Interest rate swaps 1,975,374 171 35,011 2,022,630 649 40,824 Interest rate caps/floors 2,487,400 2,065 — 2,765,200 4,859 — Mortgage delivery commitments 119,050 38 413 90,013 214 372 Total derivatives not designated as hedging instruments 4,581,824 2,274 35,424 4,877,843 5,722 41,196 TOTAL $ 11,933,693 55,720 79,010 $ 12,773,953 76,405 106,667 Netting adjustments, cash collateral, and variation margin for daily settled contracts 1 823 (74,955 ) (15,505 ) (99,496 ) DERIVATIVE ASSETS AND LIABILITIES $ 56,543 $ 4,055 $ 60,900 $ 7,171 1 Amounts represent the application of the netting requirements that allow the FHLBank to settle positive and negative positions as well as cash collateral, including initial or variation margin, and related accrued interest held or placed with the same clearing agent and/or derivative counterparty, and includes fair value adjustments on derivatives for which variation margin is characterized as a daily settled contract. Cash collateral posted was $89,911,000 and $105,481,000 as of June 30, 2017 and December 31, 2016 , respectively. Cash collateral received was $15,689,000 and $21,490,000 as of June 30, 2017 and December 31, 2016 , respectively. Variation margin for daily settled contracts was $1,556,000 as of June 30, 2017 .
Net Gains(Losses) on Derivatives and Hedging Activities	For the three and six months ended June 30, 2017 and 2016 , the FHLBank recorded net gain (loss) on derivatives and hedging activities as presented in Table 7.2 (in thousands): Table 7.2 Three Months Ended Six Months Ended 06/30/2017 06/30/2016 06/30/2017 06/30/2016 Derivatives designated as hedging instruments: Interest rate swaps $ (1,864 ) $ (1,820 ) $ (3,194 ) $ (4,310 ) Total net gain (loss) related to fair value hedge ineffectiveness (1,864 ) (1,820 ) (3,194 ) (4,310 ) Derivatives not designated as hedging instruments: Economic hedges: Interest rate swaps (3,405 ) (21,421 ) 4,843 (64,629 ) Interest rate caps/floors (1,186 ) (1,623 ) (2,794 ) (3,716 ) Net interest settlements (4,436 ) (11,871 ) (9,619 ) (24,115 ) Mortgage delivery commitments 923 1,439 1,413 2,988 Total net gain (loss) related to derivatives not designated as hedging instruments (8,104 ) (33,476 ) (6,157 ) (89,472 ) Other 1 6 — (8 ) — NET GAIN (LOSS) ON DERIVATIVES AND HEDGING ACTIVITIES $ (9,962 ) $ (35,296 ) $ (9,359 ) $ (93,782 ) 1 Amount represents price alignment amount on derivatives for which variation margin is characterized as a daily settled contract.
Effect of Fair Value Hedge-Related Derivative Instruments	For the three months ended June 30, 2017 and 2016 , the FHLBank recorded net gain (loss) on derivatives and the related hedged items in fair value hedging relationships and the impact of those derivatives on the FHLBank’s net interest income as presented in Table 7.3 (in thousands): Table 7.3 Three Months Ended 06/30/2017 06/30/2016 Gain (Loss) on Derivatives Gain (Loss) on Hedged Items Net Fair Value Hedge Ineffectiveness Effect of Derivatives on Net Interest Income 1 Gain (Loss) on Derivatives Gain (Loss) on Hedged Items Net Fair Value Hedge Ineffectiveness Effect of Derivatives on Net Interest Income 1 Advances $ (4,985 ) $ 4,262 $ (723 ) $ (13,936 ) $ (16,092 ) $ 16,217 $ 125 $ (23,758 ) Investments (8,880 ) 8,138 (742 ) (2,199 ) (23,405 ) 21,650 (1,755 ) (3,000 ) Consolidated obligation bonds 2,342 (2,741 ) (399 ) 3,641 (3,971 ) 3,771 (200 ) 9,014 Consolidated obligation discount notes — — — — 98 (88 ) 10 15 TOTAL $ (11,523 ) $ 9,659 $ (1,864 ) $ (12,494 ) $ (43,370 ) $ 41,550 $ (1,820 ) $ (17,729 ) 1 The differentials between accruals of interest receivables and payables on derivatives designated as fair value hedges as well as the amortization/accretion of hedging activities are recognized as adjustments to the interest income or expense of the designated underlying hedged item. For the six months ended June 30, 2017 and 2016 , the FHLBank recorded net gain (loss) on derivatives and the related hedged items in fair value hedging relationships and the impact of those derivatives on the FHLBank’s net interest income as presented in Table 7.4 (in thousands): Table 7.4 Six Months Ended 06/30/2017 06/30/2016 Gain (Loss) on Derivatives Gain (Loss) on Hedged Items Net Fair Value Hedge Ineffectiveness Effect of Derivatives on Net Interest Income 1 Gain (Loss) on Derivatives Gain (Loss) on Hedged Items Net Fair Value Hedge Ineffectiveness Effect of Derivatives on Net Interest Income 1 Advances $ 13,131 $ (13,966 ) $ (835 ) $ (30,427 ) $ (71,873 ) $ 71,564 $ (309 ) $ (49,192 ) Investments (5,614 ) 4,325 (1,289 ) (4,914 ) (46,220 ) 43,112 (3,108 ) (5,337 ) Consolidated obligation bonds (1,878 ) 844 (1,034 ) 9,160 2,766 (3,382 ) (616 ) 20,561 Consolidated obligation discount notes 16 (52 ) (36 ) (15 ) 182 (459 ) (277 ) (45 ) TOTAL $ 5,655 $ (8,849 ) $ (3,194 ) $ (26,196 ) $ (115,145 ) $ 110,835 $ (4,310 ) $ (34,013 ) 1 The differentials between accruals of interest receivables and payables on derivatives designated as fair value hedges as well as the amortization/accretion of hedging activities are recognized as adjustments to the interest income or expense of the designated underlying hedged item.

Deposits (Tables)

Deposits (Tables)	6 Months Ended
	Jun. 30, 2017
Deposits [Abstract]
Deposits	Table 8.1 details the types of deposits held by the FHLBank as of June 30, 2017 and December 31, 2016 (in thousands): Table 8.1 06/30/2017 12/31/2016 Interest-bearing: Demand $ 247,397 $ 269,341 Overnight 201,400 278,200 Total interest-bearing 448,797 547,541 Non-interest-bearing: Demand 47,218 51,390 Total non-interest-bearing 47,218 51,390 TOTAL DEPOSITS $ 496,015 $ 598,931

Consolidated Obligations (Table

Consolidated Obligations (Tables)	6 Months Ended
	Jun. 30, 2017
Debt Disclosure [Abstract]
Consolidated Bonds Obligations Outstanding By Contractual Maturity	Table 9.1 presents the FHLBank’s participation in consolidated obligation bonds outstanding as of June 30, 2017 and December 31, 2016 (dollar amounts in thousands): Table 9.1 06/30/2017 12/31/2016 Year of Contractual Maturity Amount Weighted Average Interest Rate Amount Weighted Average Interest Rate Due in one year or less $ 11,804,625 1.18 % $ 11,001,615 0.92 % Due after one year through two years 3,808,500 1.26 2,460,440 1.46 Due after two years through three years 1,053,950 1.55 1,190,750 1.51 Due after three years through four years 1,108,450 1.57 739,600 1.56 Due after four years through five years 956,300 1.75 1,215,600 1.60 Thereafter 4,130,100 2.48 4,088,400 2.39 Total par value 22,861,925 1.49 % 20,696,405 1.37 % Premiums 21,951 26,812 Discounts (2,230 ) (2,342 ) Concession fees (9,677 ) (9,441 ) Hedging adjustments 10,057 10,901 TOTAL $ 22,882,026 $ 20,722,335
Consolidated Bonds Obligations By Contractual Maturity Or Next Call Date	Table 9.2 summarizes the FHLBank’s participation in consolidated obligation bonds outstanding by year of maturity, or by the next call date for callable bonds as of June 30, 2017 and December 31, 2016 (in thousands): Table 9.2 Year of Maturity or Next Call Date 06/30/2017 12/31/2016 Due in one year or less $ 17,809,625 $ 16,581,615 Due after one year through two years 3,382,500 2,275,440 Due after two years through three years 648,950 694,750 Due after three years through four years 358,450 389,600 Due after four years through five years 226,300 190,600 Thereafter 436,100 564,400 TOTAL PAR VALUE $ 22,861,925 $ 20,696,405
Consolidated Bonds By Interest-Rate Payment Type	Table 9.3 summarizes interest rate payment terms for consolidated obligation bonds as of June 30, 2017 and December 31, 2016 (in thousands): Table 9.3 06/30/2017 12/31/2016 Simple variable rate $ 11,707,000 $ 9,537,000 Fixed rate 10,079,925 10,164,405 Fixed to variable rate 605,000 545,000 Step 430,000 420,000 Range 40,000 30,000 TOTAL PAR VALUE $ 22,861,925 $ 20,696,405
Consolidated Discount Notes Outstanding	Table 9.4 summarizes the FHLBank’s participation in consolidated obligation discount notes, all of which are due within one year (dollar amounts in thousands): Table 9.4 Book Value Par Value Weighted Average Interest Rate 1 June 30, 2017 $ 23,955,782 $ 23,981,553 0.96 % December 31, 2016 $ 21,775,341 $ 21,784,924 0.47 % 1 Represents yield to maturity excluding concession fees.

Assets and Liabilities Subjec32

Assets and Liabilities Subject to Offsetting (Tables)	6 Months Ended
	Jun. 30, 2017
Offsetting [Abstract]
Schedule of Offsetting Assets	Tables 10.1 and 10.2 present the fair value of financial assets, including the related collateral received from or pledged to clearing agents or counterparties and variation margin for daily settled contracts, based on the terms of the FHLBank’s master netting arrangements or similar agreements as of June 30, 2017 and December 31, 2016 (in thousands): Table 10.1 06/30/2017 Description Gross Amounts of Recognized Assets Gross Amounts Offset in the Statement of Condition 1 Net Amounts of Assets Presented in the Statement of Condition Gross Amounts Not Offset in the Statement of Condition 2 Net Amount Derivative assets: Uncleared derivatives $ 39,675 $ (32,321 ) $ 7,354 $ (38 ) $ 7,316 Cleared derivatives 3 16,045 33,144 49,189 — 49,189 Total derivative assets 55,720 823 56,543 (38 ) 56,505 Securities purchased under agreements to resell 2,650,000 — 2,650,000 (2,650,000 ) — TOTAL $ 2,705,720 $ 823 $ 2,706,543 $ (2,650,038 ) $ 56,505 1 Represents netting adjustments, cash collateral, and variation margin for daily settled contracts. 2 Represents noncash collateral received on financial instruments that: (1) do not qualify for netting on the Statement of Condition; or (2) are not subject to an enforceable netting agreement (e.g., mortgage delivery commitments). 3 Variation margin for daily settled contracts of $1,556,000 is included with gross amounts offset in the Statement of Condition. Table 10.2 12/31/2016 Description Gross Amounts of Recognized Assets Gross Amounts Offset in the Statement of Condition Net Amounts of Assets Presented in the Statement of Condition Gross Amounts Not Offset in the Statement of Condition 1 Net Amount Derivative assets: Uncleared derivatives $ 51,765 $ (39,540 ) $ 12,225 $ (214 ) $ 12,011 Cleared derivatives 24,640 24,035 48,675 — 48,675 Total derivative assets 76,405 (15,505 ) 60,900 (214 ) 60,686 Securities purchased under agreements to resell 2,400,000 — 2,400,000 (2,400,000 ) — TOTAL $ 2,476,405 $ (15,505 ) $ 2,460,900 $ (2,400,214 ) $ 60,686 1 Represents noncash collateral received on financial instruments that: (1) do not qualify for netting on the Statement of Condition; or (2) are not subject to an enforceable netting agreement (e.g., mortgage delivery commitments).
Schedule of Offsetting Liabilities	Tables 10.3 and 10.4 present the fair value of financial liabilities, including the related collateral received from or pledged to counterparties and variation margin for daily settled contracts, based on the terms of the FHLBank’s master netting arrangements or similar agreements as of June 30, 2017 and December 31, 2016 (in thousands): Table 10.3 06/30/2017 Description Gross Amounts of Recognized Liabilities Gross Amounts Offset in the Statement of Condition 1 Net Amounts of Liabilities Presented in the Statement of Condition Gross Amounts Not Offset in the Statement of Condition 2 Net Amount Derivative liabilities: Uncleared derivatives $ 46,510 $ (42,455 ) $ 4,055 $ (413 ) $ 3,642 Cleared derivatives 32,500 (32,500 ) — — — Total derivative liabilities 79,010 (74,955 ) 4,055 (413 ) 3,642 TOTAL $ 79,010 $ (74,955 ) $ 4,055 $ (413 ) $ 3,642 1 Represents netting adjustments and cash collateral. 2 Represents noncash collateral received on financial instruments that: (1) do not qualify for netting on the Statement of Condition; or (2) are not subject to an enforceable netting agreement (e.g., mortgage delivery commitments). Table 10.4 12/31/2016 Description Gross Amounts of Recognized Liabilities Gross Amounts Offset in the Statement of Condition Net Amounts of Liabilities Presented in the Statement of Condition Gross Amounts Not Offset in the Statement of Condition 1 Net Amount Derivative liabilities: Uncleared derivatives $ 72,039 $ (64,868 ) $ 7,171 $ (372 ) $ 6,799 Cleared derivatives 34,628 (34,628 ) — — — Total derivative liabilities 106,667 (99,496 ) 7,171 (372 ) 6,799 TOTAL $ 106,667 $ (99,496 ) $ 7,171 $ (372 ) $ 6,799 1 Represents noncash collateral received on financial instruments that: (1) do not qualify for netting on the Statement of Condition; or (2) are not subject to an enforceable netting agreement (e.g., mortgage delivery commitments).

Capital (Tables)

Capital (Tables)	6 Months Ended
	Jun. 30, 2017
Stockholders' Equity Note [Abstract]
Regulatory Capital Requirements	Table 11.1 illustrates that the FHLBank was in compliance with its regulatory capital requirements as of June 30, 2017 and December 31, 2016 (dollar amounts in thousands): Table 11.1 06/30/2017 12/31/2016 Required Actual Required Actual Regulatory capital requirements: Risk-based capital $ 344,984 $ 2,014,097 $ 333,044 $ 1,800,372 Total regulatory capital-to-asset ratio 4.0 % 4.5 % 4.0 % 4.3 % Total regulatory capital $ 1,989,662 $ 2,230,212 $ 1,808,670 $ 1,964,541 Leverage capital ratio 5.0 % 6.5 % 5.0 % 6.3 % Leverage capital $ 2,487,077 $ 3,237,260 $ 2,260,837 $ 2,864,727
Mandatorily Redeemable Capital Stock Rollforward	Table 11.2 presents a roll-forward of mandatorily redeemable capital stock for the three and six months ended June 30, 2017 and 2016 (in thousands): Table 11.2 Three Months Ended Six Months Ended 06/30/2017 06/30/2016 06/30/2017 06/30/2016 Balance, beginning of period $ 2,264 $ 3,433 $ 2,670 $ 2,739 Capital stock subject to mandatory redemption reclassified from equity during the period 250,518 191,986 423,913 352,220 Redemption or repurchase of mandatorily redeemable capital stock during the period (246,648 ) (191,094 ) (420,462 ) (350,640 ) Stock dividend classified as mandatorily redeemable capital stock during the period 52 31 65 37 Balance, end of period $ 6,186 $ 4,356 $ 6,186 $ 4,356
Mandatorily Redeemable Capital Stock By Contractual Year Of Repurchase	Table 11.3 shows the amount of mandatorily redeemable capital stock by contractual year of redemption as of June 30, 2017 and December 31, 2016 (in thousands). The year of redemption in Table 11.3 is the end of the redemption period in accordance with the FHLBank’s capital plan. The FHLBank is not required to redeem or repurchase membership stock until six months (for Class A Common Stock) or five years (for Class B Common Stock) after the FHLBank receives notice for withdrawal. Additionally, the FHLBank is not required to redeem or repurchase activity-based stock until any activity-based stock becomes excess stock as a result of an activity no longer remaining outstanding. However, the FHLBank intends to repurchase the excess activity-based stock of non-members to the extent that it can do so and still meet its regulatory capital requirements. Table 11.3 Contractual Year of Repurchase 06/30/2017 12/31/2016 Year 1 $ 501 $ 192 Year 2 — 1 Year 3 — — Year 4 247 — Year 5 3,793 641 Past contractual redemption date due to remaining activity 1 1,645 1,836 TOTAL $ 6,186 $ 2,670 1 Represents mandatorily redeemable capital stock that is past the end of the contractual redemption period because there is activity outstanding to which the mandatorily redeemable capital stock relates.

Accumulated Other Comprehensi34

Accumulated Other Comprehensive Income (Tables)	6 Months Ended
	Jun. 30, 2017
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Accumulated Other Comprehensive Income Or Loss	Table 12.1 summarizes the changes in AOCI for the three months ended June 30, 2017 and 2016 (in thousands): Table 12.1 Three Months Ended Net Unrealized Gain (Loss) on Available-for-Sale Securities Net Non-credit Portion of OTTI Losses on Defined Benefit Pension Plan Total AOCI Balance at March 31, 2016 $ (3,835 ) $ (7,437 ) $ (2,403 ) $ (13,675 ) Other comprehensive income (loss) before reclassification: Unrealized gain (loss) (2,440 ) (2,440 ) Accretion of non-credit loss 525 525 Reclassifications from other comprehensive income (loss) to net income: Non-credit OTTI to credit OTTI 1 4 4 Amortization of net loss - defined benefit pension plan 2 48 48 Net current period other comprehensive income (loss) (2,440 ) 529 48 (1,863 ) Balance at June 30, 2016 $ (6,275 ) $ (6,908 ) $ (2,355 ) $ (15,538 ) Balance at March 31, 2017 $ 17,830 $ (5,432 ) $ (2,870 ) $ 9,528 Other comprehensive income (loss) before reclassification: Unrealized gain (loss) 3,382 3,382 Accretion of non-credit loss 330 330 Reclassifications from other comprehensive income (loss) to net income: Non-credit OTTI to credit OTTI 1 81 81 Amortization of net loss - defined benefit pension plan 2 58 58 Net current period other comprehensive income (loss) 3,382 411 58 3,851 Balance at June 30, 2017 $ 21,212 $ (5,021 ) $ (2,812 ) $ 13,379 1 Recorded in “Net other-than-temporary impairment losses on held-to-maturity securities” on the Statements of Income. Amount represents a debit (decrease to other income (loss)). 2 Recorded in “Compensation and benefits” on the Statements of Income. Amount represents a debit (increase to other expenses). Table 12.2 summarizes the changes in AOCI for the six months ended June 30, 2017 and 2016 (in thousands): Table 12.2 Six Months Ended Net Unrealized Gain (Loss) on Available-for-Sale Securities Net Non-credit Portion of OTTI Losses on Defined Benefit Pension Plan Total AOCI Balance at December 31, 2015 $ (8,577 ) $ (7,950 ) $ (2,450 ) $ (18,977 ) Other comprehensive income (loss) before reclassification: Unrealized gain (loss) 2,302 2,302 Non-credit OTTI losses (62 ) (62 ) Accretion of non-credit loss 1,075 1,075 Reclassifications from other comprehensive income (loss) to net income: Non-credit OTTI to credit OTTI 1 29 29 Amortization of net loss - defined benefit pension plan 2 95 95 Net current period other comprehensive income (loss) 2,302 1,042 95 3,439 Balance at June 30, 2016 $ (6,275 ) $ (6,908 ) $ (2,355 ) $ (15,538 ) Balance at December 31, 2016 $ 9,345 $ (5,841 ) $ (2,927 ) $ 577 Other comprehensive income (loss) before reclassification: Unrealized gain (loss) 11,867 11,867 Non-credit OTTI losses (4 ) (4 ) Accretion of non-credit loss 706 706 Reclassifications from other comprehensive income (loss) to net income: Non-credit OTTI to credit OTTI 1 118 118 Amortization of net loss - defined benefit pension plan 2 115 115 Net current period other comprehensive income (loss) 11,867 820 115 12,802 Balance at June 30, 2017 $ 21,212 $ (5,021 ) $ (2,812 ) $ 13,379 1 Recorded in “Net other-than-temporary impairment losses on held-to-maturity securities” on the Statements of Income. Amount represents a debit (decrease to other income (loss)). 2 Recorded in “Compensation and benefits” on the Statements of Income. Amount represents a debit (increase to other expenses).

Fair Values (Tables)

Fair Values (Tables)	6 Months Ended
	Jun. 30, 2017
Fair Value Disclosures [Abstract]
Fair Value Summary	The carrying value and fair value of the FHLBank’s financial assets and liabilities as of June 30, 2017 and December 31, 2016 are summarized in Tables 13.1 and 13.2 (in thousands). These values do not represent an estimate of the overall market value of the FHLBank as a going concern, which would take into account future business opportunities and the net profitability of assets and liabilities. Table 13.1 06/30/2017 Carrying Value Total Fair Value Level 1 Level 2 Level 3 Netting Adjustment and Cash Collateral 1 Assets: Cash and due from banks $ 492,290 $ 492,290 $ 492,290 $ — $ — $ — Interest-bearing deposits 431,053 431,053 — 431,053 — — Securities purchased under agreements to resell 2,650,000 2,650,000 — 2,650,000 — — Federal funds sold 3,520,000 3,520,000 — 3,520,000 — — Trading securities 2,999,289 2,999,289 — 2,999,289 — — Available-for-sale securities 1,227,036 1,227,036 — 1,227,036 — — Held-to-maturity securities 4,928,406 4,927,860 — 4,746,709 181,151 — Advances 26,443,416 26,477,881 — 26,477,881 — — Mortgage loans held for portfolio, net of allowance 6,839,892 6,977,009 — 6,975,480 1,529 — Accrued interest receivable 77,308 77,308 — 77,308 — — Derivative assets 56,543 56,543 — 55,720 — 823 Liabilities: Deposits 496,015 496,015 — 496,015 — — Consolidated obligation discount notes 23,955,782 23,955,132 — 23,955,132 — — Consolidated obligation bonds 22,882,026 22,796,903 — 22,796,903 — — Mandatorily redeemable capital stock 6,186 6,186 6,186 — — — Accrued interest payable 50,517 50,517 — 50,517 — — Derivative liabilities 4,055 4,055 — 79,010 — (74,955 ) Other Asset (Liability): Industrial revenue bonds 16,500 15,480 — 15,480 — — Financing lease payable (16,500 ) (15,480 ) — (15,480 ) — — Standby letters of credit (1,064 ) (1,064 ) — (1,064 ) — — Standby bond purchase agreements 218 3,927 — 3,927 — — Advance commitments — (7,735 ) — (7,735 ) — — 1 Represents the effect of legally enforceable master netting agreements that allow the FHLBank to net settle positive and negative positions and also derivative cash collateral, related accrued interest held or placed with the same clearing agent or derivative counterparty, and variation margin for daily settled contracts . Variation margin for daily settled contracts of $1,556,000 is included with derivative assets. Table 13.2 12/31/2016 Carrying Value Total Fair Value Level 1 Level 2 Level 3 Netting Adjustment and Cash Collateral 1 Assets: Cash and due from banks $ 207,254 $ 207,254 $ 207,254 $ — $ — $ — Interest-bearing deposits 387,920 387,920 — 387,920 — — Securities purchased under agreements to resell 2,400,000 2,400,000 — 2,400,000 — — Federal funds sold 2,725,000 2,725,000 — 2,725,000 — — Trading securities 2,502,788 2,502,788 — 2,502,788 — — Available-for-sale securities 1,091,721 1,091,721 — 1,091,721 — — Held-to-maturity securities 4,502,224 4,487,252 — 4,276,650 210,602 — Advances 23,985,835 24,016,686 — 24,016,686 — — Mortgage loans held for portfolio, net of allowance 6,640,725 6,754,046 — 6,752,849 1,197 — Overnight loans to other FHLBanks 600,000 600,000 — 600,000 — — Accrued interest receivable 68,400 68,400 — 68,400 — — Derivative assets 60,900 60,900 — 76,405 — (15,505 ) Liabilities: Deposits 598,931 598,931 — 598,931 — — Consolidated obligation discount notes 21,775,341 21,774,950 — 21,774,950 — — Consolidated obligation bonds 20,722,335 20,568,653 — 20,568,653 — — Mandatorily redeemable capital stock 2,670 2,670 2,670 — — — Accrued interest payable 49,808 49,808 — 49,808 — — Derivative liabilities 7,171 7,171 — 106,667 — (99,496 ) Other Asset (Liability): Standby letters of credit (1,151 ) (1,151 ) — (1,151 ) — — Standby bond purchase agreements 6 6,016 — 6,016 — — Advance commitments — (6,241 ) — (6,241 ) — — 1 Represents the effect of legally enforceable master netting agreements that allow the FHLBank to net settle positive and negative positions and also derivative cash collateral and related accrued interest held or placed with the same clearing agent or derivative counterparty.
Hierarchy Level for Financial Assets and Liabilities - Recurring and Nonrecurring	Tables 13.3 and 13.4 present, for each hierarchy level, the FHLBank’s assets and liabilities that are measured at fair value on a recurring or nonrecurring basis on the Statements of Condition as of or for the periods ended June 30, 2017 and December 31, 2016 (in thousands). The FHLBank measures certain held-to-maturity securities at fair value on a nonrecurring basis due to the recognition of a credit loss. For held-to-maturity securities that had credit impairment recorded during a period for which no total impairment was recorded (the full amount of additional credit impairment was a reclassification from non-credit impairment previously recorded in AOCI), these securities were recorded at their carrying values and not fair value. The FHLBank measures certain impaired mortgage loans held for portfolio at fair value on a nonrecurring basis when, upon individual evaluation for impairment, the estimated fair value less costs to sell is lower than the recorded investment. REO is measured at fair value when the asset’s fair value less costs to sell is lower than its carrying amount. Table 13.3 06/30/2017 Total Level 1 Level 2 Level 3 Netting Adjustment and Cash Collateral 1 Recurring fair value measurements - Assets: Trading securities: Certificates of deposit $ 599,959 $ — $ 599,959 $ — $ — GSE obligations 2 1,458,009 — 1,458,009 — — U.S. obligation MBS 3 638 — 638 — — GSE MBS 4 940,683 — 940,683 — — Total trading securities 2,999,289 — 2,999,289 — — Available-for-sale securities: GSE MBS 5 1,227,036 — 1,227,036 — — Total available-for-sale securities 1,227,036 — 1,227,036 — — Derivative assets: Interest-rate related 56,505 — 55,682 — 823 Mortgage delivery commitments 38 — 38 — — Total derivative assets 56,543 — 55,720 — 823 TOTAL RECURRING FAIR VALUE MEASUREMENTS - ASSETS $ 4,282,868 $ — $ 4,282,045 $ — $ 823 Recurring fair value measurements - Liabilities: Derivative liabilities: Interest-rate related $ 3,642 $ — $ 78,597 $ — $ (74,955 ) Mortgage delivery commitments 413 — 413 — — Total derivative liabilities 4,055 — 79,010 — (74,955 ) TOTAL RECURRING FAIR VALUE MEASUREMENTS - LIABILITIES $ 4,055 $ — $ 79,010 $ — $ (74,955 ) Nonrecurring fair value measurements - Assets 6 : Held-to-maturity securities: Private-label residential MBS $ 2,144 $ — $ — $ 2,144 $ — Impaired mortgage loans 1,534 — — 1,534 — Real estate owned 555 — — 555 — TOTAL NONRECURRING FAIR VALUE MEASUREMENTS - ASSETS $ 4,233 $ — $ — $ 4,233 $ — 1 Represents the effect of legally enforceable master netting agreements that allow the FHLBank to net settle positive and negative positions and also derivative cash collateral, related accrued interest held or placed with the same clearing agent or derivative counterparty, and variation margin for daily settled contracts . 2 Represents debentures issued by other FHLBanks, Fannie Mae, Freddie Mac, Farm Credit and Farmer Mac. GSE securities are not guaranteed by the U.S. government. 3 Represents single-family MBS issued by Ginnie Mae, which are guaranteed by the U.S. government. 4 Represents single-family and multi-family MBS issued by Fannie Mae and Freddie Mac. 5 Represents multi-family MBS issued by Fannie Mae. 6 Includes assets adjusted to fair value during the six months ended June 30, 2017 and still outstanding as of June 30, 2017 . Table 13.4 12/31/2016 Total Level 1 Level 2 Level 3 Netting Adjustment and Cash Collateral 1 Recurring fair value measurements - Assets: Trading securities: GSE obligations 2 $ 1,563,351 $ — $ 1,563,351 $ — $ — U.S. obligation MBS 3 690 — 690 — — GSE MBS 4 938,747 — 938,747 — — Total trading securities 2,502,788 — 2,502,788 — — Available-for-sale securities: GSE MBS 5 1,091,721 — 1,091,721 — — Total available-for-sale securities 1,091,721 — 1,091,721 — — Derivative assets: Interest-rate related 60,686 — 76,191 — (15,505 ) Mortgage delivery commitments 214 — 214 — — Total derivative assets 60,900 — 76,405 — (15,505 ) TOTAL RECURRING FAIR VALUE MEASUREMENTS - ASSETS $ 3,655,409 $ — $ 3,670,914 $ — $ (15,505 ) Recurring fair value measurements - Liabilities: Derivative liabilities: Interest-rate related $ 6,799 $ — $ 106,295 $ — $ (99,496 ) Mortgage delivery commitments 372 — 372 — — Total derivative liabilities 7,171 — 106,667 — (99,496 ) TOTAL RECURRING FAIR VALUE MEASUREMENTS - LIABILITIES $ 7,171 $ — $ 106,667 $ — $ (99,496 ) Nonrecurring fair value measurements - Assets 6 : Held-to-maturity securities: Private-label residential MBS $ 4,781 $ — $ — $ 4,781 $ — Impaired mortgage loans 1,205 $ 1,205 Real estate owned 1,086 — — 1,086 — TOTAL NONRECURRING FAIR VALUE MEASUREMENTS - ASSETS $ 7,072 $ — $ — $ 7,072 $ — 1 Represents the effect of legally enforceable master netting agreements that allow the FHLBank to net settle positive and negative positions and also derivative cash collateral and related accrued interest held or placed with the same clearing agent or derivative counterparty. 2 Represents debentures issued by other FHLBanks, Fannie Mae, Freddie Mac and Farm Credit. GSE securities are not guaranteed by the U.S. government. 3 Represents single-family MBS issued by Ginnie Mae, which are guaranteed by the U.S. government. 4 Represents single-family and multi-family MBS issued by Fannie Mae and Freddie Mac. 5 Represents multi-family MBS issued by Fannie Mae. 6 Includes assets adjusted to fair value during the year ended December 31, 2016 and still outstanding as of December 31, 2016 .

Commitments And Contingencies (

Commitments And Contingencies (Tables)	6 Months Ended
	Jun. 30, 2017
Commitments and Contingencies Disclosure [Abstract]
Off Balance Sheet Commitments	As of June 30, 2017 and December 31, 2016 , off-balance sheet commitments are presented in Table 14.1 (in thousands): Table 14.1 06/30/2017 12/31/2016 Notional Amount Expire Within One Year Expire After One Year Total Expire Within One Year Expire After One Year Total Standby letters of credit outstanding $ 3,039,415 $ 16,523 $ 3,055,938 $ 2,995,497 $ 12,823 $ 3,008,320 Advance commitments outstanding 74,475 69,475 143,950 37,950 45,025 82,975 Commitments for standby bond purchases 594,412 545,497 1,139,909 210,349 1,002,669 1,213,018 Commitments to fund or purchase mortgage loans 119,050 — 119,050 90,013 — 90,013 Commitments to issue consolidated bonds, at par — — — 45,000 — 45,000

Transactions With Stockholders

Transactions With Stockholders (Tables)	6 Months Ended
	Jun. 30, 2017
Related Party Transactions, by Balance Sheet Grouping	Tables 15.1 and 15.2 present information as of June 30, 2017 and December 31, 2016 on members that owned more than 10 percent of outstanding FHLBank regulatory capital stock in 2017 or 2016 (dollar amounts in thousands). None of the officers or directors of these members currently serve on the FHLBank’s board of directors. Table 15.1 06/30/2017 Member Name State Total Class A Stock Par Value Percent of Total Class A Total Class B Stock Par Value Percent of Total Class B Total Capital Stock Par Value Percent of Total Capital Stock BOKF, N.A. OK $ 27,450 12.7 % $ 246,664 20.2 % $ 274,114 19.0 % MidFirst Bank OK 500 0.2 233,663 19.1 234,163 16.3 TOTAL $ 27,950 12.9 % $ 480,327 39.3 % $ 508,277 35.3 % Table 15.2 12/31/2016 Member Name State Total Class A Stock Par Value Percent of Total Class A Total Class B Stock Par Value Percent of Total Class B Total Capital Stock Par Value Percent of Total Capital Stock BOKF, N.A. OK $ 500 0.3 % $ 219,755 20.6 % $ 220,255 17.9 % MidFirst Bank OK 500 0.3 197,669 18.6 198,169 16.1 TOTAL $ 1,000 0.6 % $ 417,424 39.2 % $ 418,424 34.0 % Advance and deposit balances with members that owned more than 10 percent of outstanding FHLBank regulatory capital stock as of June 30, 2017 and December 31, 2016 are summarized in Table 15.3 (dollar amounts in thousands). Table 15.3 06/30/2017 12/31/2016 06/30/2017 12/31/2016 Member Name Outstanding Advances Percent of Total Outstanding Advances Percent of Total Outstanding Deposits Percent of Total Outstanding Deposits Percent of Total BOKF, N.A. $ 5,200,000 19.7 % $ 4,800,000 20.0 % $ 9,215 1.9 % $ 54,145 9.1 % MidFirst Bank 5,100,000 19.3 4,340,000 18.1 236 — 424 0.1 TOTAL $ 10,300,000 39.0 % $ 9,140,000 38.1 % $ 9,451 1.9 % $ 54,569 9.2 %
Related Party Transactions, by Balance Sheet Grouping - Directors'	Table 15.4 presents information as of June 30, 2017 and December 31, 2016 for members that had an officer or director serving on the FHLBank’s board of directors (dollar amounts in thousands). Information is only included for the period in which the officer or director served on the FHLBank’s board of directors. Capital stock listed is regulatory capital stock, which includes mandatorily redeemable capital stock. Table 15.4 06/30/2017 12/31/2016 Outstanding Amount Percent of Total Outstanding Amount Percent of Total Advances $ 169,754 0.6 % $ 172,793 0.7 % Deposits $ 9,695 2.0 % $ 12,329 2.1 % Class A Common Stock $ 8,966 4.1 % $ 3,782 2.3 % Class B Common Stock 7,754 0.6 5,585 0.5 TOTAL CAPITAL STOCK $ 16,720 1.2 % $ 9,367 0.8 %
Schedule Of Related Party Transactions, Mortgage Loans Disclosure	Table 15.5 presents mortgage loans acquired during the three and six months ended June 30, 2017 and 2016 for members that had an officer or director serving on the FHLBank’s board of directors in 2017 or 2016 (dollar amounts in thousands). Information is only included for the period in which the officer or director served on the FHLBank’s board of directors. Table 15.5 Three Months Ended Six Months Ended 06/30/2017 06/30/2016 06/30/2017 06/30/2016 Amount Percent of Total Amount Percent of Total Amount Percent of Total Amount Percent of Total Mortgage loans acquired $ 26,126 7.1 % $ 21,602 6.6 % $ 54,992 8.4 % $ 33,703 6.1 %

Investment Securities (Narrativ

Investment Securities (Narrative) (Details)	Jun. 30, 2017
Private-label residential MBS [Member] | Residential MBS [Member]
Investment [Line Items]
Held-to-Maturity Securities, Other Than Temporarily Impaired, Number of Securities, Life to Date	20

Investment Securities Investmen

Investment Securities Investment Securities (Trading Securities by Major Security Type) (Details) - USD ($) $ in Thousands		Jun. 30, 2017	Dec. 31, 2016
Schedule of Trading Securities and Other Trading Assets [Line Items]
Trading securities		$ 2,999,289	$ 2,502,788
Certificates of Deposit [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Trading securities		599,959	0
GSE obligations [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Trading securities	[1]	1,458,009	1,563,351
Non-mortgage-backed securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Trading securities		2,057,968	1,563,351
U.S. obligation MBS [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Trading securities	[2]	638	690
GSE MBS [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Trading securities	[3]	940,683	938,747
Mortgage-backed securities [Member]
Schedule of Trading Securities and Other Trading Assets [Line Items]
Trading securities		$ 941,321	$ 939,437
[1]	Represents debentures issued by other FHLBanks, Federal National Mortgage Association (Fannie Mae), Federal Home Loan Mortgage Corporation (Freddie Mac), Federal Farm Credit Bank (Farm Credit) and Federal Agricultural Mortgage Corporation (Farmer Mac). GSE securities are not guaranteed by the U.S. government.
[2]	Represents single-family MBS issued by Government National Mortgage Association (Ginnie Mae), which are guaranteed by the U.S. government.
[3]	Represents single-family and multi-family MBS issued by Fannie Mae and Freddie Mac.

Investment Securities (Net Gain

Investment Securities (Net Gains (Losses) on Trading Securities) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Trading Securities [Abstract]
Net gains (losses) on trading securities held as of current period end	$ 9,216	$ 24,494	$ 15,122	$ 79,092
Net gains (losses) on trading securities sold or matured prior to current period end	(822)	(5,968)	(2,041)	(11,362)
NET GAIN (LOSS) ON TRADING SECURITIES	$ 8,394	$ 18,526	$ 13,081	$ 67,730

Investment Securities Investm41

Investment Securities Investment Securities (Available-For-Sale Securities by Major Security Type) (Details) - USD ($) $ in Thousands		Jun. 30, 2017	Dec. 31, 2016
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		$ 1,205,824	$ 1,082,376
Gross Unrecognized Gains		21,333	9,396
Gross Unrecognized Losses		(121)	(51)
Fair Value		1,227,036	1,091,721
Fixed rate [Member] | GSE MBS [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	[1]	1,205,824	1,082,376
Gross Unrecognized Gains	[1]	21,333	9,396
Gross Unrecognized Losses	[1]	(121)	(51)
Fair Value	[1]	$ 1,227,036	$ 1,091,721
[1]	Represents fixed rate multi-family MBS issued by Fannie Mae.

Investment Securities Investm42

Investment Securities Investment Securites (Available-For-Sale Securities in a Continuous Unrealized Loss Position) (Details) - USD ($) $ in Thousands		Jun. 30, 2017	Dec. 31, 2016
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 Months, Fair Value		$ 96,224	$ 0
Less than 12 Months, Unrealized Losses		(121)	0
12 Months or More, Fair Value		0	33,509
12 Months or More, Unrealized Losses		0	(51)
TOTAL TEMPORARILY IMPAIRED SECURITIES, Fair Value		96,224	33,509
TOTAL TEMPORARILY IMPAIRED SECURITIES, Unrealized Losses		(121)	(51)
Fixed rate [Member] | GSE MBS [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 Months, Fair Value	[1]	96,224	0
Less than 12 Months, Unrealized Losses	[1]	(121)	0
12 Months or More, Fair Value	[1]	0	33,509
12 Months or More, Unrealized Losses	[1]	0	(51)
TOTAL TEMPORARILY IMPAIRED SECURITIES, Fair Value	[1]	96,224	33,509
TOTAL TEMPORARILY IMPAIRED SECURITIES, Unrealized Losses	[1]	$ (121)	$ (51)
[1]	Represents fixed rate multi-family MBS issued by Fannie Mae.

Investment Securities (Held-To-

Investment Securities (Held-To-Maturity Securities by Major Security Type) (Details) - USD ($) $ in Thousands		Jun. 30, 2017	Dec. 31, 2016
Held-to-maturity Securities, Unclassified [Abstract]
Amortized Cost		$ 4,933,427	$ 4,508,065
OTTI Recognized in AOCI		(5,021)	(5,841)
Carrying Value	[1]	4,928,406	4,502,224
Gross Unrecognized Gains		22,452	17,011
Gross Unrecognized Losses		(22,998)	(31,983)
Held-to-maturity Securities, Fair Value		4,927,860	4,487,252
State or local housing agency obligations [Member]
Held-to-maturity Securities, Unclassified [Abstract]
Amortized Cost		94,775	105,780
OTTI Recognized in AOCI		0	0
Carrying Value		94,775	105,780
Gross Unrecognized Gains		95	98
Gross Unrecognized Losses		(5,673)	(5,707)
Held-to-maturity Securities, Fair Value		89,197	100,171
Non-mortgage-backed securities [Member]
Held-to-maturity Securities, Unclassified [Abstract]
Amortized Cost		94,775	105,780
OTTI Recognized in AOCI		0	0
Carrying Value		94,775	105,780
Gross Unrecognized Gains		95	98
Gross Unrecognized Losses		(5,673)	(5,707)
Held-to-maturity Securities, Fair Value		89,197	100,171
U.S. obligation MBS [Member]
Held-to-maturity Securities, Unclassified [Abstract]
Amortized Cost	[2]	139,463	36,331
OTTI Recognized in AOCI	[2]	0	0
Carrying Value	[2]	139,463	36,331
Gross Unrecognized Gains	[2]	323	0
Gross Unrecognized Losses	[2]	(108)	(201)
Held-to-maturity Securities, Fair Value	[2]	139,678	36,130
GSE MBS [Member]
Held-to-maturity Securities, Unclassified [Abstract]
Amortized Cost	[3]	4,604,767	4,250,547
OTTI Recognized in AOCI	[3]	0	0
Carrying Value	[3]	4,604,767	4,250,547
Gross Unrecognized Gains	[3]	16,836	12,044
Gross Unrecognized Losses	[3]	(14,572)	(22,071)
Held-to-maturity Securities, Fair Value	[3]	4,607,031	4,240,520
Private-label residential MBS [Member] | Residential MBS [Member]
Held-to-maturity Securities, Unclassified [Abstract]
Amortized Cost		94,422	115,407
OTTI Recognized in AOCI		(5,021)	(5,841)
Carrying Value		89,401	109,566
Gross Unrecognized Gains		5,198	4,869
Gross Unrecognized Losses		(2,645)	(4,004)
Held-to-maturity Securities, Fair Value		91,954	110,431
Mortgage-backed securities [Member]
Held-to-maturity Securities, Unclassified [Abstract]
Amortized Cost		4,838,652	4,402,285
OTTI Recognized in AOCI		(5,021)	(5,841)
Carrying Value		4,833,631	4,396,444
Gross Unrecognized Gains		22,357	16,913
Gross Unrecognized Losses		(17,325)	(26,276)
Held-to-maturity Securities, Fair Value		$ 4,838,663	$ 4,387,081
[1]	Fair value: $4,927,860 and $4,487,252 as of June 30, 2017 and December 31, 2016, respectively.
[2]	Represents single-family MBS issued by Ginnie Mae, which are guaranteed by the U.S. government.
[3]	Represents single-family and multi-family MBS issued by Fannie Mae and Freddie Mac.

Investment Securities (Held-T44

Investment Securities (Held-To-Maturity Securities in a Continuous Unrealized Loss Position) (Details) - USD ($) $ in Thousands		Jun. 30, 2017		Dec. 31, 2016
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value		$ 486,274		$ 1,099,282
Less Than 12 Months, Unrealized Losses		(763)		(2,615)
12 Months or More, Fair Value		1,769,405		2,181,724
12 Months or More, Unrealized Losses		(23,496)		(31,630)
TOTAL TEMPORARILY IMPAIRED SECURITIES, Fair Value		2,255,679		3,281,006
TOTAL TEMPORARILY IMPAIRED SECURITIES, Unrealized Losses		(24,259)	[1]	(34,245)	[2]
State or local housing agency obligations [Member]
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value		0		0
Less Than 12 Months, Unrealized Losses		0		0
12 Months or More, Fair Value		24,327		34,348
12 Months or More, Unrealized Losses		(5,673)		(5,707)
TOTAL TEMPORARILY IMPAIRED SECURITIES, Fair Value		24,327		34,348
TOTAL TEMPORARILY IMPAIRED SECURITIES, Unrealized Losses		(5,673)	[1]	(5,707)	[2]
Non-mortgage-backed securities [Member]
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value		0		0
Less Than 12 Months, Unrealized Losses		0		0
12 Months or More, Fair Value		24,327		34,348
12 Months or More, Unrealized Losses		(5,673)		(5,707)
TOTAL TEMPORARILY IMPAIRED SECURITIES, Fair Value		24,327		34,348
TOTAL TEMPORARILY IMPAIRED SECURITIES, Unrealized Losses		(5,673)	[1]	(5,707)	[2]
U.S. obligation MBS [Member]
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value	[3]	43,558		0
Less Than 12 Months, Unrealized Losses	[3]	(67)		0
12 Months or More, Fair Value	[3]	18,109		35,998
12 Months or More, Unrealized Losses	[3]	(41)		(201)
TOTAL TEMPORARILY IMPAIRED SECURITIES, Fair Value	[3]	61,667		35,998
TOTAL TEMPORARILY IMPAIRED SECURITIES, Unrealized Losses	[3]	(108)	[1]	(201)	[2]
GSE MBS [Member]
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value	[4]	442,662		1,097,379
Less Than 12 Months, Unrealized Losses	[4]	(695)		(2,612)
12 Months or More, Fair Value	[4]	1,653,297		2,025,394
12 Months or More, Unrealized Losses	[4]	(13,877)		(19,459)
TOTAL TEMPORARILY IMPAIRED SECURITIES, Fair Value	[4]	2,095,959		3,122,773
TOTAL TEMPORARILY IMPAIRED SECURITIES, Unrealized Losses	[4]	(14,572)	[1]	(22,071)	[2]
Private-label residential MBS [Member] | Residential MBS [Member]
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value		54		1,903
Less Than 12 Months, Unrealized Losses		(1)		(3)
12 Months or More, Fair Value		73,672		85,984
12 Months or More, Unrealized Losses		(3,905)		(6,263)
TOTAL TEMPORARILY IMPAIRED SECURITIES, Fair Value		73,726		87,887
TOTAL TEMPORARILY IMPAIRED SECURITIES, Unrealized Losses		(3,906)	[1]	(6,266)	[2]
Mortgage-backed securities [Member]
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]
Less Than 12 Months, Fair Value		486,274		1,099,282
Less Than 12 Months, Unrealized Losses		(763)		(2,615)
12 Months or More, Fair Value		1,745,078		2,147,376
12 Months or More, Unrealized Losses		(17,823)		(25,923)
TOTAL TEMPORARILY IMPAIRED SECURITIES, Fair Value		2,231,352		3,246,658
TOTAL TEMPORARILY IMPAIRED SECURITIES, Unrealized Losses		$ (18,586)	[1]	$ (28,538)	[2]
[1]	Total unrealized losses in Table 3.9 will not agree to total gross unrecognized losses in Table 3.7. Total unrealized losses in Table 3.9 include non-credit-related OTTI recognized in accumulated other comprehensive income (AOCI) and gross unrecognized gains on previously other-than-temporarily impaired securities.
[2]	Total unrealized losses in Table 3.10 will not agree to total gross unrecognized losses in Table 3.8. Total unrealized losses in Table 3.10 include non-credit-related OTTI recognized in AOCI and gross unrecognized gains on previously other-than-temporarily impaired securities.
[3]	Represents single-family MBS issued by Ginnie Mae, which are guaranteed by the U.S. government.
[4]	Represents single-family and multi-family MBS issued by Fannie Mae and Freddie Mac.

Investment Securities (Held-T45

Investment Securities (Held-To-Maturity Securities Classified By Contractual Maturity) (Details) - USD ($) $ in Thousands		Jun. 30, 2017	Dec. 31, 2016
Held-to-maturity Securities, Debt Maturities [Abstract]
Amortized Cost		$ 4,933,427	$ 4,508,065
Carrying Value	[1]	4,928,406	4,502,224
Fair Value		4,927,860	4,487,252
Non-mortgage-backed securities [Member]
Held-to-maturity Securities, Debt Maturities [Abstract]
Due in one year or less, Amortized Cost		0	0
Due after one year through five years, Amortized Cost		2,420	2,710
Due after five years through 10 years, Amortized Cost		0	10,055
Due after 10 years, Amortized Cost		92,355	93,015
Amortized Cost		94,775	105,780
Due in one year or less, Carrying Value		0	0
Due after one year through five years, Carrying Value		2,420	2,710
Due after five years through 10 years, Carrying Value		0	10,055
Due after 10 years, Carrying Value		92,355	93,015
Carrying Value		94,775	105,780
Due in one year or less, Fair Value		0	0
Due after one year through five years, Fair Value		2,420	2,710
Due after five years through 10 years, Fair Value		0	10,048
Due after 10 years, Fair Value		86,777	87,413
Fair Value		89,197	100,171
Mortgage-backed securities [Member]
Held-to-maturity Securities, Debt Maturities [Abstract]
Amortized Cost		4,838,652	4,402,285
Carrying Value		4,833,631	4,396,444
Fair Value		$ 4,838,663	$ 4,387,081
[1]	Fair value: $4,927,860 and $4,487,252 as of June 30, 2017 and December 31, 2016, respectively.

Investment Securities (Total Se

Investment Securities (Total Securities Other-Than-Temporary Impairment during the Life of the Security) (Details) - Held-to-maturity Securities [Member] - Residential MBS [Member] - Private-label residential MBS [Member] $ in Thousands	Jun. 30, 2017USD ($)
Schedule of Held-to-maturity Securities [Line Items]
Unpaid Principal Balance	$ 34,200
Amortized Cost	30,520
Carrying Value	25,499
Fair Value	30,567
Prime [Member]
Schedule of Held-to-maturity Securities [Line Items]
Unpaid Principal Balance	8,777
Amortized Cost	7,778
Carrying Value	7,168
Fair Value	8,198
Alt-A [Member]
Schedule of Held-to-maturity Securities [Line Items]
Unpaid Principal Balance	25,423
Amortized Cost	22,742
Carrying Value	18,331
Fair Value	$ 22,369

Investment Securities (Rollforw

Investment Securities (Rollforward of OTTI Activity Related to Credit Losses) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward]
Balance, beginning of period		$ 7,470	$ 7,776	$ 7,502	$ 7,785
Additional charge on securities for which OTTI was not previously recognized		6	1	6	1
Additional charge on securities for which OTTI was previously recognized	[1]	81	4	118	31
Amortization of credit component of OTTI	[2]	(137)	(185)	(206)	(221)
Balance, end of period		$ 7,420	$ 7,596	$ 7,420	$ 7,596
[1]	For the three months ended June 30, 2017 and 2016, securities previously impaired represent all securities that were impaired prior to April 1, 2017 and 2016, respectively. For the six months ended June 30, 2017 and 2016, securities previously impaired represent all securities that were impaired prior to January 1, 2017 and 2016, respectively.
[2]	The FHLBank amortizes the credit component based on estimated cash flows prospectively up to the amount of expected principal to be recovered. The discounted cash flows will move from the discounted loss value to the ultimate principal to be written off at the projected date of loss. If the expected cash flows improve, the amount of expected loss decreases which causes a corresponding decrease in the calculated amortization. Based on the level of improvement in the cash flows, the amortization could become a positive adjustment to income.

Advances (Narrative) (Details)

Advances (Narrative) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank, Advances, Par Value	$ 26,431,659	$ 23,960,515
Federal Home Loan Bank, Advances, Variable Rate	$ 18,588,302	$ 15,970,328
Minimum [Member]
Federal Home Loan Bank, Advances [Line Items]
FHLB advances, outstanding interest rate	0.66%	0.46%
Maximum [Member]
Federal Home Loan Bank, Advances [Line Items]
FHLB advances, outstanding interest rate	7.41%	7.41%
Advances, Callable Option [Member]
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank, Advances, Par Value	$ 6,998,828	$ 6,336,280
Federal Home Loan Bank, Advances, Variable Rate	6,952,202	6,260,837
Advances, Convertible Option [Member]
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank, Advances, Par Value	$ 977,342	$ 1,147,392

Advances (Advances Redemption T

Advances (Advances Redemption Terms) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Amount
Due in one year or less	$ 14,454,342	$ 12,601,183
Due after one year through two years	1,818,036	2,019,260
Due after two years through three years	944,565	1,073,881
Due after three years through four years	1,105,677	781,339
Due after four years through five years	705,482	848,112
Thereafter	7,403,557	6,636,740
TOTAL PAR VALUE	26,431,659	23,960,515
Discounts	(10,993)	(13,977)
Hedging adjustments	22,750	39,297
TOTAL	$ 26,443,416	$ 23,985,835
Weighted Average Interest Rate
Due in one year or less	1.41%	1.03%
Due after one year through two years	1.69%	1.96%
Due after two years through three years	1.92%	1.47%
Due after three years through four years	2.12%	1.96%
Due after four years through five years	2.09%	2.15%
Thereafter	1.55%	1.19%
Total par value	1.53%	1.24%

Advances (Advances by Year if C

Advances (Advances by Year if Contractual Maturity, Next Call Date, or Next Convert Date) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Redemption Term, Year of Contractual Maturity or Next Call Date
Due in one year or less	$ 20,974,042	$ 18,411,727
Due after one year through two years	1,524,177	1,752,403
Due after two years through three years	792,016	750,126
Due after three years through four years	965,856	666,059
Due after four years through five years	534,933	755,753
Thereafter	1,640,635	1,624,447
TOTAL PAR VALUE	26,431,659	23,960,515
Redemption Term, Year of Contractual Maturity or Next Conversion Date
Due in one year or less	14,597,842	12,897,983
Due after one year through two years	1,771,036	1,800,460
Due after two years through three years	1,002,665	1,168,381
Due after three years through four years	1,202,727	808,139
Due after four years through five years	901,782	945,462
Thereafter	6,955,607	6,340,090
TOTAL PAR VALUE	$ 26,431,659	$ 23,960,515

Advances (Advances by Interest

Advances (Advances by Interest Rate Payment Terms) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Fixed rate:
Due in one year or less	$ 2,374,966	$ 2,400,382
Due after one year	5,468,391	5,589,805
Total fixed rate	7,843,357	7,990,187
Variable rate:
Due in one year or less	12,079,376	10,200,801
Due after one year	6,508,926	5,769,527
Total variable rate	18,588,302	15,970,328
TOTAL PAR VALUE	$ 26,431,659	$ 23,960,515

Mortgage Loans (Mortgage Loans

Mortgage Loans (Mortgage Loans Held For Portfolio) (Details) - USD ($) $ in Thousands		Jun. 30, 2017	Dec. 31, 2016
Real estate:
Total unpaid principal balance		$ 6,735,916	$ 6,536,041
Premiums		102,523	103,665
Discounts		(2,584)	(2,276)
Deferred loan costs, net		319	387
Other deferred fees		(72)	(85)
Hedging adjustments		5,315	4,667
Total before Allowance for Credit Losses on Mortgage Loans		6,841,417	6,642,399
Allowance for Credit Losses on Mortgage Loans		(1,525)	(1,674)
MORTGAGE LOANS HELD FOR PORTFOLIO, NET		6,839,892	6,640,725
Fixed rates, medium-term [Member] | Single-family mortgage [Member]
Real estate:
Total unpaid principal balance	[1]	1,298,010	1,353,938
Fixed rates, long-term [Member] | Single-family mortgage [Member]
Real estate:
Total unpaid principal balance		$ 5,437,906	$ 5,182,103
[1]	Medium-term defined as a term of 15 years or less at origination.

Mortgage Loans (Mortgage Loan53

Mortgage Loans (Mortgage Loans Held For Portfolio by Collateral or Guarantee Type) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Mortgage Loans on Real Estate [Line Items]
Total unpaid principal balance	$ 6,735,916	$ 6,536,041
Government-guaranteed or insured loans [Member]
Mortgage Loans on Real Estate [Line Items]
Total unpaid principal balance	662,501	636,117
Conventional Loans [Member]
Mortgage Loans on Real Estate [Line Items]
Total unpaid principal balance	$ 6,073,415	$ 5,899,924

Allowance For Credit Losses (Na

Allowance For Credit Losses (Narrative) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Receivables [Abstract]
Real estate owned	$ 2,761	$ 2,608

Allowance For Credit Losses (Ro

Allowance For Credit Losses (Rollforward of Allowance For Credit Losses On Mortgage Loans) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Allowance for credit losses:
Balance, beginning of period		$ 1,617	$ 1,607	$ 1,674	$ 1,972
Net (charge-offs) recoveries		(112)	(97)	(124)	(205)
(Reversal) provision for credit losses		20	(212)	(25)	(469)
Balance, end of period		1,525	1,298	1,525	1,298
Allowance for credit losses, end of period:
Individually evaluated for impairment		33	0	33	0
Collectively evaluated for impairment		1,492	1,298	1,492	1,298
Recorded investment, end of period:
Individually evaluated for impairment		26,499,716	26,239,616	26,499,716	26,239,616
Collectively evaluated for impairment		6,863,039	6,492,177	6,863,039	6,492,177
Total		33,362,755	32,731,793	33,362,755	32,731,793
Credit Products [Member]
Allowance for credit losses:
Balance, beginning of period	[1]	0	0	0	0
Net (charge-offs) recoveries	[1]	0	0	0	0
(Reversal) provision for credit losses	[1]	0	0	0	0
Balance, end of period	[1]	0	0	0	0
Allowance for credit losses, end of period:
Individually evaluated for impairment	[1]	0	0	0	0
Collectively evaluated for impairment	[1]	0	0	0	0
Recorded investment, end of period:
Individually evaluated for impairment	[1]	26,472,708	26,208,296	26,472,708	26,208,296
Collectively evaluated for impairment	[1]	0	0	0	0
Total	[1]	26,472,708	26,208,296	26,472,708	26,208,296
Direct Financing Lease Receivable [Member]
Allowance for credit losses:
Balance, beginning of period		0	0	0	0
Net (charge-offs) recoveries		0	0	0	0
(Reversal) provision for credit losses		0	0	0	0
Balance, end of period		0	0	0	0
Allowance for credit losses, end of period:
Individually evaluated for impairment		0	0	0	0
Collectively evaluated for impairment		0	0	0	0
Recorded investment, end of period:
Individually evaluated for impairment		16,130	18,598	16,130	18,598
Collectively evaluated for impairment		0	0	0	0
Total		16,130	18,598	16,130	18,598
Government Loans [Member] | Single-family Residential Loans [Member]
Allowance for credit losses:
Balance, beginning of period		0	0	0	0
Net (charge-offs) recoveries		0	0	0	0
(Reversal) provision for credit losses		0	0	0	0
Balance, end of period		0	0	0	0
Allowance for credit losses, end of period:
Individually evaluated for impairment		0	0	0	0
Collectively evaluated for impairment		0	0	0	0
Recorded investment, end of period:
Individually evaluated for impairment		0	0	0	0
Collectively evaluated for impairment		676,480	659,475	676,480	659,475
Total		676,480	659,475	676,480	659,475
Conventional Loans [Member] | Single-family Residential Loans [Member]
Allowance for credit losses:
Balance, beginning of period		1,617	1,607	1,674	1,972
Net (charge-offs) recoveries		(112)	(97)	(124)	(205)
(Reversal) provision for credit losses		20	(212)	(25)	(469)
Balance, end of period		1,525	1,298	1,525	1,298
Allowance for credit losses, end of period:
Individually evaluated for impairment		33	0	33	0
Collectively evaluated for impairment		1,492	1,298	1,492	1,298
Recorded investment, end of period:
Individually evaluated for impairment		10,878	12,722	10,878	12,722
Collectively evaluated for impairment		6,186,559	5,832,702	6,186,559	5,832,702
Total		$ 6,197,437	$ 5,845,424	$ 6,197,437	$ 5,845,424
[1]	The recorded investment for credit products includes only advances. The recorded investment for all other credit products is insignificant.

Allowance For Credit Losses (Re

Allowance For Credit Losses (Recorded Investment in Delinquent Mortgage Loans) (Details) - USD ($) $ in Thousands		Jun. 30, 2017		Dec. 31, 2016
Recorded investment:
Total past due		$ 75,081		$ 88,730
Total current loans		33,287,674		30,611,784
Total recorded investment		33,362,755		30,700,514
In process of foreclosure, included above (Mortgage Loans)	[1]	5,057		6,156
Past due 90 days or more and still accruing interest		2,403		5,185
Loans on non-accrual status		14,435	[2]	15,002	[3]
Troubled debt restructurings included in non-accrual loans		1,365		1,327
Past due 30-59 days delinquent [Member]
Recorded investment:
Total past due		49,107		57,210
Past due 60-89 days delinquent [Member]
Recorded investment:
Total past due		16,155		14,365
Past due 90 days or more delinquent [Member]
Recorded investment:
Total past due		$ 9,819		$ 17,155
Serious delinquency rate	[4]	0.00%		0.10%
Credit Products [Member]
Recorded investment:
Total past due	[5]	$ 0		$ 0
Total current loans	[5]	26,472,708		24,009,010
Total recorded investment	[5]	26,472,708		24,009,010
In process of foreclosure, included above	[1],[5]	0		0
Past due 90 days or more and still accruing interest	[5]	0		0
Loans on non-accrual status	[5]	0	[2]	0	[3]
Credit Products [Member] | Past due 30-59 days delinquent [Member]
Recorded investment:
Total past due	[5]	0		0
Credit Products [Member] | Past due 60-89 days delinquent [Member]
Recorded investment:
Total past due	[5]	0		0
Credit Products [Member] | Past due 90 days or more delinquent [Member]
Recorded investment:
Total past due	[5]	$ 0		$ 0
Serious delinquency rate	[4],[5]	0.00%		0.00%
Direct Financing Lease Receivable [Member]
Recorded investment:
Total past due		$ 0		$ 0
Total current loans		16,130		17,385
Total recorded investment		16,130		17,385
In process of foreclosure, included above	[1]	0		0
Past due 90 days or more and still accruing interest		0		0
Loans on non-accrual status		0	[2]	0	[3]
Direct Financing Lease Receivable [Member] | Past due 30-59 days delinquent [Member]
Recorded investment:
Total past due		0		0
Direct Financing Lease Receivable [Member] | Past due 60-89 days delinquent [Member]
Recorded investment:
Total past due		0		0
Direct Financing Lease Receivable [Member] | Past due 90 days or more delinquent [Member]
Recorded investment:
Total past due		$ 0		$ 0
Serious delinquency rate	[4]	0.00%		0.00%
Government Loans [Member] | Single-family Residential Loans [Member]
Recorded investment:
Total past due		$ 24,679		$ 28,488
Total current loans		651,801		622,856
Total recorded investment		676,480		651,344
In process of foreclosure, included above (Mortgage Loans)	[1]	1,163		1,748
Past due 90 days or more and still accruing interest		2,403		5,185
Loans on non-accrual status		0	[2]	0	[3]
Government Loans [Member] | Single-family Residential Loans [Member] | Past due 30-59 days delinquent [Member]
Recorded investment:
Total past due		15,586		16,920
Government Loans [Member] | Single-family Residential Loans [Member] | Past due 60-89 days delinquent [Member]
Recorded investment:
Total past due		6,690		6,383
Government Loans [Member] | Single-family Residential Loans [Member] | Past due 90 days or more delinquent [Member]
Recorded investment:
Total past due		$ 2,403		$ 5,185
Serious delinquency rate	[4]	0.40%		0.80%
Conventional Loans [Member] | Single-family Residential Loans [Member]
Recorded investment:
Total past due		$ 50,402		$ 60,242
Total current loans		6,147,035		5,962,533
Total recorded investment		6,197,437		6,022,775
In process of foreclosure, included above (Mortgage Loans)	[1]	3,894		4,408
Past due 90 days or more and still accruing interest		0		0
Loans on non-accrual status		14,435	[2]	15,002	[3]
Conventional Loans [Member] | Single-family Residential Loans [Member] | Past due 30-59 days delinquent [Member]
Recorded investment:
Total past due		33,521		40,290
Conventional Loans [Member] | Single-family Residential Loans [Member] | Past due 60-89 days delinquent [Member]
Recorded investment:
Total past due		9,465		7,982
Conventional Loans [Member] | Single-family Residential Loans [Member] | Past due 90 days or more delinquent [Member]
Recorded investment:
Total past due		$ 7,416		$ 11,970
Serious delinquency rate	[4]	0.10%		0.20%
[1]	Includes loans where the decision of foreclosure or similar alternative such as pursuit of deed-in-lieu has been reported. Loans in process of foreclosure are included in past due or current loans dependent on their delinquency status.
[2]	Loans on non-accrual status include $1,365,000 of troubled debt restructurings. Troubled debt restructurings are restructurings in which the FHLBank, for economic or legal reasons related to the debtor’s financial difficulties, grants a concession to the debtor that it would not otherwise consider.
[3]	Loans on non-accrual status include $1,327,000 of troubled debt restructurings. Troubled debt restructurings are restructurings in which the FHLBank, for economic or legal reasons related to the debtor’s financial difficulties, grants a concession to the debtor that it would not otherwise consider.
[4]	Loans that are 90 days or more past due or in the process of foreclosure expressed as a percentage of the total recorded investment for the portfolio class.
[5]	The recorded investment for credit products includes only advances. The recorded investment for all other credit products is insignificant.

Allowance For Credit Losses (In

Allowance For Credit Losses (Individually Evaluated Impaired Statistic By Product Class Level) (Details) - Conventional Mortgage Loan [Member] - Single-family Residential Loans [Member] - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Financing Receivable, Impaired [Line Items]
With no related allowance, Recorded Investment	$ 10,738	$ 11,834
With an allowance, Recorded Investment	140	0
TOTAL, Recorded Investment	10,878	11,834
With no related allowance, Unpaid Principal Balance	10,683	11,776
With an allowance, Unpaid Principal Balance	139	0
TOTAL, Unpaid Principal Balance	10,822	11,776
With an allowance, Related Allowance	$ 33	$ 0

Allowance For Credit Losses (Av

Allowance For Credit Losses (Average Recorded Investment of Individually Impaired Loan and Related Interest Income Recognized) (Details) - Conventional Mortgage Loan [Member] - Single-family Residential Loans [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Financing Receivable, Impaired [Line Items]
With no related allowance, Average Recorded Investment	$ 10,887	$ 12,661	$ 11,269	$ 11,991
With an allowance, Average Recorded Investment	46	0	24	0
TOTAL, Average Recorded Investment	10,933	12,661	11,293	11,991
With no related allowance, Interest Income Recognized	54	65	128	147
With an allowance, Interest Income Recognized		0		0
With an allowance, Interest Income Recognized	(4)		(4)
TOTAL, Interest Income Recognized	$ 50	$ 65	$ 124	$ 147

Derivatives And Hedging Activ59

Derivatives And Hedging Activities (Narrative) (Details) - Uncleared derivatives [Member] - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2017	Dec. 31, 2016
Derivative [Line Items]
Derivative instruments with credit-risk-related contingent features, aggregate fair value	$ 2,897	$ 4,779
Derivative instruments with credit-risk-related contingent features, collateral already posted	0	0
Derivative instruments with credit-risk-related contingent features, collateral to be posted if credit rating is lowered one level	0	0
Counterparty One [Member]
Derivative [Line Items]
Maximum credit risk applicable to a single counterparty	$ 16,117	$ 21,112

Derivatives And Hedging Activ60

Derivatives And Hedging Activities (Fair Values of Derivatives Instruments) (Details) - USD ($) $ in Thousands		Jun. 30, 2017		Dec. 31, 2016
Derivatives, Fair Value [Line Items]
TOTAL, Notional Amount		$ 11,933,693		$ 12,773,953
TOTAL, Derivative Assets		55,720		76,405
TOTAL, Derivative Liabilities		79,010		106,667
Netting adjustments, cash collateral, and variation margin for daily settled contracts, Derivative Assets	[1],[2],[3]	823
Netting adjustments, cash collateral, and variation margin for daily settled contracts, Derivative Assets	[1],[4]			(15,505)
Netting adjustments, cash collateral, and variation margin for daily settled contracts, Derivative Liabilities	[1]	(74,955)	[3],[5]	(99,496)	[4]
DERIVATIVE ASSETS		56,543		60,900
DERIVATIVE LIABILITIES		4,055		7,171
Cash collateral posted		89,911		105,481
Cash collateral received		15,689		21,490
Variation Margin for Daily Settled Contracts		1,556
Derivatives designated as hedging instruments: [Member]
Derivatives, Fair Value [Line Items]
TOTAL, Notional Amount		7,351,869		7,896,110
TOTAL, Derivative Assets		53,446		70,683
TOTAL, Derivative Liabilities		43,586		65,471
Derivatives not designated as hedging instruments: [Member]
Derivatives, Fair Value [Line Items]
TOTAL, Notional Amount		4,581,824		4,877,843
TOTAL, Derivative Assets		2,274		5,722
TOTAL, Derivative Liabilities		35,424		41,196
Interest rate swaps [Member] | Derivatives designated as hedging instruments: [Member]
Derivatives, Fair Value [Line Items]
TOTAL, Notional Amount		7,351,869		7,896,110
TOTAL, Derivative Assets		53,446		70,683
TOTAL, Derivative Liabilities		43,586		65,471
Interest rate swaps [Member] | Derivatives not designated as hedging instruments: [Member]
Derivatives, Fair Value [Line Items]
TOTAL, Notional Amount		1,975,374		2,022,630
TOTAL, Derivative Assets		171		649
TOTAL, Derivative Liabilities		35,011		40,824
Interest rate caps/floors [Member] | Derivatives not designated as hedging instruments: [Member]
Derivatives, Fair Value [Line Items]
TOTAL, Notional Amount		2,487,400		2,765,200
TOTAL, Derivative Assets		2,065		4,859
TOTAL, Derivative Liabilities		0		0
Mortgage delivery commitments [Member] | Derivatives not designated as hedging instruments: [Member] | Mortgages [Member]
Derivatives, Fair Value [Line Items]
TOTAL, Notional Amount		119,050		90,013
TOTAL, Derivative Assets		38		214
TOTAL, Derivative Liabilities		$ 413		$ 372
[1]	Amounts represent the application of the netting requirements that allow the FHLBank to settle positive and negative positions as well as cash collateral, including initial or variation margin, and related accrued interest held or placed with the same clearing agent and/or derivative counterparty, and includes fair value adjustments on derivatives for which variation margin is characterized as a daily settled contract. Cash collateral posted was $89,911,000 and $105,481,000 as of June 30, 2017 and December 31, 2016, respectively. Cash collateral received was $15,689,000 and $21,490,000 as of June 30, 2017 and December 31, 2016, respectively. Variation margin for daily settled contracts was $1,556,000 as of June 30, 2017.
[2]	Represents netting adjustments, cash collateral, and variation margin for daily settled contracts.
[3]	Represents the effect of legally enforceable master netting agreements that allow the FHLBank to net settle positive and negative positions and also derivative cash collateral, related accrued interest held or placed with the same clearing agent or derivative counterparty, and variation margin for daily settled contracts. Variation margin for daily settled contracts of $1,556,000 is included with derivative assets.
[4]	Represents the effect of legally enforceable master netting agreements that allow the FHLBank to net settle positive and negative positions and also derivative cash collateral and related accrued interest held or placed with the same clearing agent or derivative counterparty.
[5]	Represents netting adjustments and cash collateral.

Derivatives And Hedging Activ61

Derivatives And Hedging Activities (Net Gains Or Losses On Derivatives And Hedging Activities) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Derivative Instruments, Gain (Loss) [Line Items]
Net gain (loss) related to fair value hedge ineffectiveness		$ (1,864)	$ (1,820)	$ (3,194)	$ (4,310)
Net gain (loss) related to derivatives not designated as hedging instruments		(8,104)	(33,476)	(6,157)	(89,472)
Other	[1]	6	0	(8)	0
NET GAIN(LOSS) ON DERIVATIVES AND HEDGING ACTIVITIES		(9,962)	(35,296)	(9,359)	(93,782)
Interest rate swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net gain (loss) related to fair value hedge ineffectiveness		(1,864)	(1,820)	(3,194)	(4,310)
Net gain (loss) related to derivatives not designated as hedging instruments		(3,405)	(21,421)	4,843	(64,629)
Interest rate caps/floors [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net gain (loss) related to derivatives not designated as hedging instruments		(1,186)	(1,623)	(2,794)	(3,716)
Net interest settlements [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net gain (loss) related to derivatives not designated as hedging instruments		(4,436)	(11,871)	(9,619)	(24,115)
Mortgage delivery commitments [Member] | Mortgages [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Net gain (loss) related to derivatives not designated as hedging instruments		$ 923	$ 1,439	$ 1,413	$ 2,988
[1]	Amount represents price alignment amount on derivatives for which variation margin is characterized as a daily settled contract.

Derivatives And Hedging Activ62

Derivatives And Hedging Activities (Effect of Fair Value Hedge-Related Derivative Instruments) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Derivatives		$ (11,523)	$ (43,370)	$ 5,655	$ (115,145)
Gain (Loss) on Hedged Items		9,659	41,550	(8,849)	110,835
Net Fair Value Hedge Ineffectiveness		(1,864)	(1,820)	(3,194)	(4,310)
Effect of Derivatives on Net Interest Income	[1]	(12,494)	(17,729)	(26,196)	(34,013)
Advances [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Derivatives		(4,985)	(16,092)	13,131	(71,873)
Gain (Loss) on Hedged Items		4,262	16,217	(13,966)	71,564
Net Fair Value Hedge Ineffectiveness		(723)	125	(835)	(309)
Effect of Derivatives on Net Interest Income	[1]	(13,936)	(23,758)	(30,427)	(49,192)
Investments [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Derivatives		(8,880)	(23,405)	(5,614)	(46,220)
Gain (Loss) on Hedged Items		8,138	21,650	4,325	43,112
Net Fair Value Hedge Ineffectiveness		(742)	(1,755)	(1,289)	(3,108)
Effect of Derivatives on Net Interest Income	[1]	(2,199)	(3,000)	(4,914)	(5,337)
Consolidated Obligations Bonds [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Derivatives		2,342	(3,971)	(1,878)	2,766
Gain (Loss) on Hedged Items		(2,741)	3,771	844	(3,382)
Net Fair Value Hedge Ineffectiveness		(399)	(200)	(1,034)	(616)
Effect of Derivatives on Net Interest Income	[1]	3,641	9,014	9,160	20,561
Consolidated Obligations Discount Notes [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Derivatives		0	98	16	182
Gain (Loss) on Hedged Items		0	(88)	(52)	(459)
Net Fair Value Hedge Ineffectiveness		0	10	(36)	(277)
Effect of Derivatives on Net Interest Income	[1]	$ 0	$ 15	$ (15)	$ (45)
[1]	The differentials between accruals of interest receivables and payables on derivatives designated as fair value hedges as well as the amortization/accretion of hedging activities are recognized as adjustments to the interest income or expense of the designated underlying hedged item.

Deposits (Types Of Deposits) (D

Deposits (Types Of Deposits) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Interest-bearing:
Demand	$ 247,397	$ 269,341
Overnight	201,400	278,200
Total interest-bearing	448,797	547,541
Non-interest-bearing:
Demand	47,218	51,390
Total non-interest-bearing	47,218	51,390
TOTAL DEPOSITS	$ 496,015	$ 598,931

Consolidated Obligations (Narra

Consolidated Obligations (Narrative) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Par value	$ 22,861,925	$ 20,696,405
Federal Home Loan Bank, Consolidated Obligations, Callable Option [Member]
Debt Instrument [Line Items]
Par value	$ 6,157,000	$ 6,097,000

Consolidated Obligations (Conso

Consolidated Obligations (Consolidated Bond Obligations Outstanding By Contractual Maturity) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Due in one year or less	$ 11,804,625	$ 11,001,615
Due in one year or less, Weighted Average Interest Rate	1.18%	0.92%
Due after one year through two years	$ 3,808,500	$ 2,460,440
Due after one year through two years, Weighted Average Interest Rate	1.26%	1.46%
Due after two years through three years	$ 1,053,950	$ 1,190,750
Due after two years through three years, Weighted Average Interest Rate	1.55%	1.51%
Due after three years through four years	$ 1,108,450	$ 739,600
Due after three years through four years, Weighted Average Interest Rate	1.57%	1.56%
Due after four years through five years	$ 956,300	$ 1,215,600
Due after four years through five years, Weighted Average Interest Rate	1.75%	1.60%
Thereafter	$ 4,130,100	$ 4,088,400
Thereafter, Weighted Average Interest Rate	2.48%	2.39%
Total par value	$ 22,861,925	$ 20,696,405
Total par value, Weighted Average Interest Rate	1.49%	1.37%
Premium	$ 21,951	$ 26,812
Discounts	(2,230)	(2,342)
Concession fees	(9,677)	(9,441)
Hedging adjustments	10,057	10,901
TOTAL	$ 22,882,026	$ 20,722,335

Consolidated Obligations (Con66

Consolidated Obligations (Consolidated Bond Obligations By Contractual Maturity Or Next Call Date) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Debt Disclosure [Abstract]
Due in one year or less	$ 17,809,625	$ 16,581,615
Due after one year through two years	3,382,500	2,275,440
Due after two years through three years	648,950	694,750
Due after three years through four years	358,450	389,600
Due after four years through five years	226,300	190,600
Thereafter	436,100	564,400
Total par value	$ 22,861,925	$ 20,696,405

Consolidated Obligations (Con67

Consolidated Obligations (Consolidated Bonds By Interest-Rate Payment Type) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Debt Disclosure [Abstract]
Simple variable rate	$ 11,707,000	$ 9,537,000
Fixed rate	10,079,925	10,164,405
Fixed to variable rate	605,000	545,000
Step	430,000	420,000
Range	40,000	30,000
Total par value	$ 22,861,925	$ 20,696,405

Consolidated Obligations (Con68

Consolidated Obligations (Consolidated Discount Notes Outstanding) (Details) - USD ($) $ in Thousands		Jun. 30, 2017	Dec. 31, 2016
Debt Disclosure [Abstract]
Book Value		$ 23,955,782	$ 21,775,341
Par Value		$ 23,981,553	$ 21,784,924
Weighted Average Interest Rate	[1]	0.96%	0.47%
[1]	Represents yield to maturity excluding concession fees.

Assets and Liabilities Subjec69

Assets and Liabilities Subject to Offsetting Assets Subject to Offsetting (Schedule of Offsetting Assets) (Details) - USD ($) $ in Thousands		Jun. 30, 2017		Dec. 31, 2016
Offsetting Assets [Line Items]
Derivative assets, Gross Amounts of Recognized Assets		$ 55,720		$ 76,405
Derivative assets, Gross Amounts Offset in the Statement of Condition	[1],[2],[3]	823
Derivative assets, Gross Amounts Offset in the Statement of Condition	[1],[4]			(15,505)
Total derivative assets		56,543		60,900
Derivative assets, Gross Amounts Not Offset in the Statement of Condition	[5]	(38)		(214)
Derivative assets, Net Amount		56,505		60,686
Securities purchased under agreements to resell, Gross Amounts of Recognized Assets		2,650,000		2,400,000
Securities purchased under agreements to resell, Gross Amounts Offset in the Statement of Condition		0	[2]	0
Securities purchased under agreements to resell, Net Amounts of Assets Presented in the Statement of Condition		2,650,000		2,400,000
Securities purchased under agreements to resell, Gross Amounts Not Offset in the Statement of Condition	[5]	(2,650,000)		(2,400,000)
Securities purchased under agreements to resell, Net Amount		0		0
TOTAL, Gross Amounts of Recognized Assets		2,705,720		2,476,405
TOTAL, Gross Amounts Offset in the Statement of Condition	[2]	823
TOTAL, Gross Amounts Offset in the Statement of Condition				(15,505)
TOTAL, Net Amounts of Assets Presented in the Statement of Condition		2,706,543		2,460,900
TOTAL, Gross Amounts Not Offset in the Statement of Condition	[5]	(2,650,038)		(2,400,214)
TOTAL, Net Amount		56,505		60,686
Variation Margin for Daily Settled Contracts		1,556
Uncleared derivatives [Member]
Offsetting Assets [Line Items]
Derivative assets, Gross Amounts of Recognized Assets		39,675		51,765
Derivative assets, Gross Amounts Offset in the Statement of Condition		(32,321)	[2]	(39,540)
Total derivative assets		7,354		12,225
Derivative assets, Gross Amounts Not Offset in the Statement of Condition	[5]	(38)		(214)
Derivative assets, Net Amount		7,316		12,011
Cleared derivatives [Member]
Offsetting Assets [Line Items]
Derivative assets, Gross Amounts of Recognized Assets		16,045	[6]	24,640
Derivative assets, Gross Amounts Offset in the Statement of Condition		33,144	[2],[6]	24,035
Total derivative assets		49,189	[6]	48,675
Derivative assets, Gross Amounts Not Offset in the Statement of Condition	[5]	0	[6]	0
Derivative assets, Net Amount		$ 49,189	[6]	$ 48,675
[1]	Amounts represent the application of the netting requirements that allow the FHLBank to settle positive and negative positions as well as cash collateral, including initial or variation margin, and related accrued interest held or placed with the same clearing agent and/or derivative counterparty, and includes fair value adjustments on derivatives for which variation margin is characterized as a daily settled contract. Cash collateral posted was $89,911,000 and $105,481,000 as of June 30, 2017 and December 31, 2016, respectively. Cash collateral received was $15,689,000 and $21,490,000 as of June 30, 2017 and December 31, 2016, respectively. Variation margin for daily settled contracts was $1,556,000 as of June 30, 2017.
[2]	Represents netting adjustments, cash collateral, and variation margin for daily settled contracts.
[3]	Represents the effect of legally enforceable master netting agreements that allow the FHLBank to net settle positive and negative positions and also derivative cash collateral, related accrued interest held or placed with the same clearing agent or derivative counterparty, and variation margin for daily settled contracts. Variation margin for daily settled contracts of $1,556,000 is included with derivative assets.
[4]	Represents the effect of legally enforceable master netting agreements that allow the FHLBank to net settle positive and negative positions and also derivative cash collateral and related accrued interest held or placed with the same clearing agent or derivative counterparty.
[5]	Represents noncash collateral received on financial instruments that: (1) do not qualify for netting on the Statement of Condition; or (2) are not subject to an enforceable netting agreement (e.g., mortgage delivery commitments).
[6]	Variation margin for daily settled contracts of $1,556,000 is included with gross amounts offset in the Statement of Condition.

Assets and Liabilities Subjec70

Assets and Liabilities Subject to Offsetting Liabilities Subject to Offsetting (Schedule of Offsetting Liabilities) (Details) - USD ($) $ in Thousands		Jun. 30, 2017		Dec. 31, 2016
Offsetting Liabilities [Line Items]
Derivative liabilities, Gross Amounts of Recognized Liabilities		$ 79,010		$ 106,667
Derivative liabilities, Gross Amounts Offset in the Statement of Condition	[1]	(74,955)	[2],[3]	(99,496)	[4]
Total derivative liabilities		4,055		7,171
Derivative liabilities, Gross Amounts Not Offset in the Statement of Condition	[5]	(413)		(372)
Derivative liabilities, Net Amount		3,642		6,799
TOTAL, Gross Amounts of Recognized Liabilities		79,010		106,667
TOTAL, Gross Amounts Offset in the Statement of Condition		(74,955)	[2]	(99,496)
TOTAL, Net Amounts of Liabilities Presented in the Statement of Condition		4,055		7,171
TOTAL, Gross Amounts Not Offset in the Statement of Condition	[5]	(413)		(372)
TOTAL, Net Amount		3,642		6,799
Uncleared derivatives [Member]
Offsetting Liabilities [Line Items]
Derivative liabilities, Gross Amounts of Recognized Liabilities		46,510		72,039
Derivative liabilities, Gross Amounts Offset in the Statement of Condition		(42,455)	[2]	(64,868)
Total derivative liabilities		4,055		7,171
Derivative liabilities, Gross Amounts Not Offset in the Statement of Condition	[5]	(413)		(372)
Derivative liabilities, Net Amount		3,642		6,799
Cleared derivatives [Member]
Offsetting Liabilities [Line Items]
Derivative liabilities, Gross Amounts of Recognized Liabilities		32,500		34,628
Derivative liabilities, Gross Amounts Offset in the Statement of Condition		(32,500)	[2]	(34,628)
Total derivative liabilities		0		0
Derivative liabilities, Gross Amounts Not Offset in the Statement of Condition	[5]	0		0
Derivative liabilities, Net Amount		$ 0		$ 0
[1]	Amounts represent the application of the netting requirements that allow the FHLBank to settle positive and negative positions as well as cash collateral, including initial or variation margin, and related accrued interest held or placed with the same clearing agent and/or derivative counterparty, and includes fair value adjustments on derivatives for which variation margin is characterized as a daily settled contract. Cash collateral posted was $89,911,000 and $105,481,000 as of June 30, 2017 and December 31, 2016, respectively. Cash collateral received was $15,689,000 and $21,490,000 as of June 30, 2017 and December 31, 2016, respectively. Variation margin for daily settled contracts was $1,556,000 as of June 30, 2017.
[2]	Represents netting adjustments and cash collateral.
[3]	Represents the effect of legally enforceable master netting agreements that allow the FHLBank to net settle positive and negative positions and also derivative cash collateral, related accrued interest held or placed with the same clearing agent or derivative counterparty, and variation margin for daily settled contracts. Variation margin for daily settled contracts of $1,556,000 is included with derivative assets.
[4]	Represents the effect of legally enforceable master netting agreements that allow the FHLBank to net settle positive and negative positions and also derivative cash collateral and related accrued interest held or placed with the same clearing agent or derivative counterparty.
[5]	Represents noncash collateral received on financial instruments that: (1) do not qualify for netting on the Statement of Condition; or (2) are not subject to an enforceable netting agreement (e.g., mortgage delivery commitments).

Capital (Narrative) (Details)

Capital (Narrative) (Details)		6 Months Ended
		Jun. 30, 2017$ / sharesRate	Dec. 31, 2016$ / sharesRate
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Number of Finance Agency Regulatory Capital Requirements		3
Total regulatory capital-to-asset ratio, required | Rate		4.00%	4.00%
Leverage capital ratio, required | Rate		5.00%	5.00%
Leverage capital, permanent capital weight		1.5
Common Stock, par value per share | $ / shares		$ 100
Excess Stock (less than) | Rate		1.00%
Class A [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Leverage capital, non-permanent capital weight		1
Minimum period after which redemption is required		6 months
Common Stock, par value per share | $ / shares	[1]	$ 100	$ 100
Class B [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Minimum period after which redemption is required		5 years
Common Stock, par value per share | $ / shares	[1]	$ 100	$ 100
[1]	Putable

Capital (Regulatory Capital Req

Capital (Regulatory Capital Requirements) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Regulatory capital requirements:
Risk-based capital, Required	$ 344,984	$ 333,044
Risk-based capital, Actual	$ 2,014,097	$ 1,800,372
Total regulatory capital-to-asset ratio, Required	4.00%	4.00%
Total regulatory capital-to-asset ratio, Actual	4.50%	4.30%
Total regulatory capital, Required	$ 1,989,662	$ 1,808,670
Total regulatory capital, Actual	$ 2,230,212	$ 1,964,541
Leverage capital ratio, Required	5.00%	5.00%
Leverage capital ratio, Actual	6.50%	6.30%
Leverage capital, Required	$ 2,487,077	$ 2,260,837
Leverage capital, Actual	$ 3,237,260	$ 2,864,727

Capital (Mandatorily Redeemable

Capital (Mandatorily Redeemable Capital Stock Rollforward) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Mandatorily Redeemable Capital Stock [Roll Forward]
Balance, beginning of period	$ 2,264	$ 3,433	$ 2,670	$ 2,739
Capital stock subject to mandatory redemption reclassified from equity during the period	250,518	191,986	423,913	352,220
Redemption or repurchase of mandatorily redeemable capital stock during the period	(246,648)	(191,094)	(420,462)	(350,640)
Stock dividend classified as mandatorily redeemable capital stock during the period	52	31	65	37
Balance, end of period	$ 6,186	$ 4,356	$ 6,186	$ 4,356

Capital (Mandatorily Redeemab74

Capital (Mandatorily Redeemable Capital Stock By Contractual Year Of Redemption) (Details) - USD ($) $ in Thousands		Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015
Contractual Year of Repurchase
Year 1		$ 501		$ 192
Year 2		0		1
Year 3		0		0
Year 4		247		0
Year 5		3,793		641
Past contractual redemption date due to remaining activity	[1]	1,645		1,836
TOTAL		$ 6,186	$ 2,264	$ 2,670	$ 4,356	$ 3,433	$ 2,739
[1]	Represents mandatorily redeemable capital stock that is past the end of the contractual redemption period because there is activity outstanding to which the mandatorily redeemable capital stock relates.

Accumulated Other Comprehensi75

Accumulated Other Comprehensive Income (Accumulated Other Comprehensive Income Or Loss) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Accumulated Other Comprehensive Income [Roll Forward]
Balance, beginning of the period				$ 577
Other comprehensive income (loss) before reclassification:
Unrealized gain (loss)		$ 3,382	$ (2,440)	11,867	$ 2,302
Non-credit OTTI losses		0	0	(4)	(62)
Accretion of non-credit loss		330	525	706	1,075
Reclassifications from other comprehensive income (loss) to net income:
Non-credit OTTI to credit OTTI		81	4	118	29
Amortization of net loss - defined benefit pension plan		58	48	115	95
Total other comprehensive income (loss)		3,851	(1,863)	12,802	3,439
Balance, end of the period		13,379		13,379
Net Unrealized Gain (Loss) on Available-for-Sale Securities [Member]
Accumulated Other Comprehensive Income [Roll Forward]
Balance, beginning of the period		17,830	(3,835)	9,345	(8,577)
Other comprehensive income (loss) before reclassification:
Unrealized gain (loss)		3,382	(2,440)	11,867	2,302
Reclassifications from other comprehensive income (loss) to net income:
Total other comprehensive income (loss)		3,382	(2,440)	11,867	2,302
Balance, end of the period		21,212	(6,275)	21,212	(6,275)
Defined Benefit Pension Plan [Member]
Accumulated Other Comprehensive Income [Roll Forward]
Balance, beginning of the period		(2,870)	(2,403)	(2,927)	(2,450)
Reclassifications from other comprehensive income (loss) to net income:
Amortization of net loss - defined benefit pension plan	[1]	58	48	115	95
Total other comprehensive income (loss)		58	48	115	95
Balance, end of the period		(2,812)	(2,355)	(2,812)	(2,355)
Total AOCI [Member]
Accumulated Other Comprehensive Income [Roll Forward]
Balance, beginning of the period		9,528	(13,675)	577	(18,977)
Other comprehensive income (loss) before reclassification:
Unrealized gain (loss)		3,382	(2,440)	11,867	2,302
Non-credit OTTI losses				(4)	(62)
Accretion of non-credit loss		330	525	706	1,075
Reclassifications from other comprehensive income (loss) to net income:
Non-credit OTTI to credit OTTI	[2]	81	4	118	29
Amortization of net loss - defined benefit pension plan	[1]	58	48	115	95
Total other comprehensive income (loss)		3,851	(1,863)	12,802	3,439
Balance, end of the period		13,379	(15,538)	13,379	(15,538)
Held-to-maturity Securities [Member] | Net Non-credit Portion of OTTI Losses on Held-to-maturity Securities [Member]
Accumulated Other Comprehensive Income [Roll Forward]
Balance, beginning of the period		(5,432)	(7,437)	(5,841)	(7,950)
Other comprehensive income (loss) before reclassification:
Non-credit OTTI losses				(4)	(62)
Accretion of non-credit loss		330	525	706	1,075
Reclassifications from other comprehensive income (loss) to net income:
Non-credit OTTI to credit OTTI	[2]	81	4	118	29
Total other comprehensive income (loss)		411	529	820	1,042
Balance, end of the period		$ (5,021)	$ (6,908)	$ (5,021)	$ (6,908)
[1]	Recorded in “Compensation and benefits” on the Statements of Income. Amount represents a debit (increase to other expenses).
[2]	Recorded in “Net other-than-temporary impairment losses on held-to-maturity securities” on the Statements of Income. Amount represents a debit (decrease to other income (loss)).

Fair Values (Fair Value Summary

Fair Values (Fair Value Summary) (Details) - USD ($) $ in Thousands		Jun. 30, 2017		Dec. 31, 2016
Assets:
Cash and due from banks		$ 492,290		$ 207,254
Trading securities		2,999,289		2,502,788
Available-for-sale securities		1,227,036		1,091,721
Held-to-maturity securities, Carrying Value	[1]	4,928,406		4,502,224
Held-to-maturity securities		4,927,860		4,487,252
Accrued interest receivable		77,308		68,400
Derivative assets		56,543		60,900
Netting adjustments, cash collateral, and variation margin for daily settled contracts, Derivative Assets	[2],[3],[4]	823
Netting adjustments, cash collateral, and variation margin for daily settled contracts, Derivative Assets	[2],[5]			(15,505)
Liabilities:
Accrued interest payable		50,517		49,808
Derivative liabilities		4,055		7,171
Netting adjustments, cash collateral, and variation margin for daily settled contracts, Derivative Liabilities	[2]	(74,955)	[4],[6]	(99,496)	[5]
Other Asset (Liability):
Variation Margin for Daily Settled Contracts		1,556
Carrying Value [Member]
Assets:
Cash and due from banks		492,290		207,254
Interest-bearing deposits		431,053		387,920
Securities purchased under agreements to resell		2,650,000		2,400,000
Federal funds sold		3,520,000		2,725,000
Trading securities		2,999,289		2,502,788
Available-for-sale securities		1,227,036		1,091,721
Held-to-maturity securities, Carrying Value		4,928,406		4,502,224
Advances		26,443,416		23,985,835
Mortgage loans held for portfolio, net of allowance		6,839,892		6,640,725
Overnight loans To Other FHLBanks				600,000
Accrued interest receivable		77,308		68,400
Derivative assets		56,543		60,900
Liabilities:
Deposits		496,015		598,931
Mandatorily redeemable capital stock		6,186		2,670
Accrued interest payable		50,517		49,808
Derivative liabilities		4,055		7,171
Carrying Value [Member] | Industrial revenue bond [Member]
Other Asset (Liability):
Other asset (liability), asset		16,500
Carrying Value [Member] | Financing lease payable [Member]
Other Asset (Liability):
Other asset (liability), liability		(16,500)
Carrying Value [Member] | Standby letters of credit [Member]
Other Asset (Liability):
Other asset (liability), liability		(1,064)		(1,151)
Carrying Value [Member] | Standby bond purchase agreements [Member]
Other Asset (Liability):
Other asset (liability), asset		218		6
Carrying Value [Member] | Advance commitments [Member]
Other Asset (Liability):
Other asset (liability), liability		0		0
Carrying Value [Member] | Consolidated Obligation Discount Notes [Member]
Liabilities:
Consolidated obligation discount notes		23,955,782		21,775,341
Carrying Value [Member] | Consolidated Obligation Bonds [Member]
Liabilities:
Consolidated obligation bonds		22,882,026		20,722,335
Fair Value [Member]
Assets:
Cash and due from banks		492,290		207,254
Interest-bearing deposits		431,053		387,920
Securities purchased under agreements to resell		2,650,000		2,400,000
Federal funds sold		3,520,000		2,725,000
Trading securities		2,999,289		2,502,788
Available-for-sale securities		1,227,036		1,091,721
Held-to-maturity securities		4,927,860		4,487,252
Advances		26,477,881		24,016,686
Mortgage loans held for portfolio, net of allowance		6,977,009		6,754,046
Overnight loans To Other FHLBanks				600,000
Accrued interest receivable		77,308		68,400
Derivative assets		56,543		60,900
Liabilities:
Deposits		496,015		598,931
Mandatorily redeemable capital stock		6,186		2,670
Accrued interest payable		50,517		49,808
Derivative liabilities		4,055		7,171
Fair Value [Member] | Industrial revenue bond [Member]
Other Asset (Liability):
Other asset (liability), asset		15,480
Fair Value [Member] | Financing lease payable [Member]
Other Asset (Liability):
Other asset (liability), liability		(15,480)
Fair Value [Member] | Standby letters of credit [Member]
Other Asset (Liability):
Other asset (liability), liability		(1,064)		(1,151)
Fair Value [Member] | Standby bond purchase agreements [Member]
Other Asset (Liability):
Other asset (liability), asset		3,927		6,016
Fair Value [Member] | Advance commitments [Member]
Other Asset (Liability):
Other asset (liability), liability		(7,735)		(6,241)
Fair Value [Member] | Consolidated Obligation Discount Notes [Member]
Liabilities:
Consolidated obligation discount notes		23,955,132		21,774,950
Fair Value [Member] | Consolidated Obligation Bonds [Member]
Liabilities:
Consolidated obligation bonds		22,796,903		20,568,653
Level 1 [Member]
Assets:
Cash and due from banks		492,290		207,254
Interest-bearing deposits		0		0
Securities purchased under agreements to resell		0		0
Federal funds sold		0		0
Trading securities		0		0
Available-for-sale securities		0		0
Held-to-maturity securities		0		0
Advances		0		0
Mortgage loans held for portfolio, net of allowance		0		0
Overnight loans To Other FHLBanks				0
Accrued interest receivable		0		0
Derivative assets		0		0
Liabilities:
Deposits		0		0
Mandatorily redeemable capital stock		6,186		2,670
Accrued interest payable		0		0
Derivative liabilities		0		0
Level 1 [Member] | Industrial revenue bond [Member]
Other Asset (Liability):
Other asset (liability), asset		0
Level 1 [Member] | Financing lease payable [Member]
Other Asset (Liability):
Other asset (liability), liability		0
Level 1 [Member] | Standby letters of credit [Member]
Other Asset (Liability):
Other asset (liability), liability		0		0
Level 1 [Member] | Standby bond purchase agreements [Member]
Other Asset (Liability):
Other asset (liability), asset		0		0
Level 1 [Member] | Advance commitments [Member]
Other Asset (Liability):
Other asset (liability), liability		0		0
Level 1 [Member] | Consolidated Obligation Discount Notes [Member]
Liabilities:
Consolidated obligation discount notes		0		0
Level 1 [Member] | Consolidated Obligation Bonds [Member]
Liabilities:
Consolidated obligation bonds		0		0
Level 2 [Member]
Assets:
Cash and due from banks		0		0
Interest-bearing deposits		431,053		387,920
Securities purchased under agreements to resell		2,650,000		2,400,000
Federal funds sold		3,520,000		2,725,000
Trading securities		2,999,289		2,502,788
Available-for-sale securities		1,227,036		1,091,721
Held-to-maturity securities		4,746,709		4,276,650
Advances		26,477,881		24,016,686
Mortgage loans held for portfolio, net of allowance		6,975,480		6,752,849
Overnight loans To Other FHLBanks				600,000
Accrued interest receivable		77,308		68,400
Derivative assets		55,720		76,405
Liabilities:
Deposits		496,015		598,931
Mandatorily redeemable capital stock		0		0
Accrued interest payable		50,517		49,808
Derivative liabilities		79,010		106,667
Level 2 [Member] | Industrial revenue bond [Member]
Other Asset (Liability):
Other asset (liability), asset		15,480
Level 2 [Member] | Financing lease payable [Member]
Other Asset (Liability):
Other asset (liability), liability		(15,480)
Level 2 [Member] | Standby letters of credit [Member]
Other Asset (Liability):
Other asset (liability), liability		(1,064)		(1,151)
Level 2 [Member] | Standby bond purchase agreements [Member]
Other Asset (Liability):
Other asset (liability), asset		3,927		6,016
Level 2 [Member] | Advance commitments [Member]
Other Asset (Liability):
Other asset (liability), liability		(7,735)		(6,241)
Level 2 [Member] | Consolidated Obligation Discount Notes [Member]
Liabilities:
Consolidated obligation discount notes		23,955,132		21,774,950
Level 2 [Member] | Consolidated Obligation Bonds [Member]
Liabilities:
Consolidated obligation bonds		22,796,903		20,568,653
Level 3 [Member]
Assets:
Cash and due from banks		0		0
Interest-bearing deposits		0		0
Securities purchased under agreements to resell		0		0
Federal funds sold		0		0
Trading securities		0		0
Available-for-sale securities		0		0
Held-to-maturity securities		181,151		210,602
Advances		0		0
Mortgage loans held for portfolio, net of allowance		1,529		1,197
Overnight loans To Other FHLBanks				0
Accrued interest receivable		0		0
Derivative assets		0		0
Liabilities:
Deposits		0		0
Mandatorily redeemable capital stock		0		0
Accrued interest payable		0		0
Derivative liabilities		0		0
Level 3 [Member] | Industrial revenue bond [Member]
Other Asset (Liability):
Other asset (liability), asset		0
Level 3 [Member] | Financing lease payable [Member]
Other Asset (Liability):
Other asset (liability), liability		0
Level 3 [Member] | Standby letters of credit [Member]
Other Asset (Liability):
Other asset (liability), liability		0		0
Level 3 [Member] | Standby bond purchase agreements [Member]
Other Asset (Liability):
Other asset (liability), asset		0		0
Level 3 [Member] | Advance commitments [Member]
Other Asset (Liability):
Other asset (liability), liability		0		0
Level 3 [Member] | Consolidated Obligation Discount Notes [Member]
Liabilities:
Consolidated obligation discount notes		0		0
Level 3 [Member] | Consolidated Obligation Bonds [Member]
Liabilities:
Consolidated obligation bonds		$ 0		$ 0
[1]	Fair value: $4,927,860 and $4,487,252 as of June 30, 2017 and December 31, 2016, respectively.
[2]	Amounts represent the application of the netting requirements that allow the FHLBank to settle positive and negative positions as well as cash collateral, including initial or variation margin, and related accrued interest held or placed with the same clearing agent and/or derivative counterparty, and includes fair value adjustments on derivatives for which variation margin is characterized as a daily settled contract. Cash collateral posted was $89,911,000 and $105,481,000 as of June 30, 2017 and December 31, 2016, respectively. Cash collateral received was $15,689,000 and $21,490,000 as of June 30, 2017 and December 31, 2016, respectively. Variation margin for daily settled contracts was $1,556,000 as of June 30, 2017.
[3]	Represents netting adjustments, cash collateral, and variation margin for daily settled contracts.
[4]	Represents the effect of legally enforceable master netting agreements that allow the FHLBank to net settle positive and negative positions and also derivative cash collateral, related accrued interest held or placed with the same clearing agent or derivative counterparty, and variation margin for daily settled contracts. Variation margin for daily settled contracts of $1,556,000 is included with derivative assets.
[5]	Represents the effect of legally enforceable master netting agreements that allow the FHLBank to net settle positive and negative positions and also derivative cash collateral and related accrued interest held or placed with the same clearing agent or derivative counterparty.
[6]	Represents netting adjustments and cash collateral.

Fair Values (Hierarchy Level fo

Fair Values (Hierarchy Level for Financial Assets And Liabilities - Recurring And Nonrecurring) (Details) - USD ($) $ in Thousands		Jun. 30, 2017		Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities		$ 2,999,289		$ 2,502,788
Available-for-sale securities		1,227,036		1,091,721
Total derivative assets		56,543		60,900
Netting adjustments, cash collateral, and variation margin for daily settled contracts, Derivative Assets	[1],[2],[3]	823
Netting adjustments, cash collateral, and variation margin for daily settled contracts, Derivative Assets	[1],[4]			(15,505)
Total derivative liabilities		4,055		7,171
Netting adjustments, cash collateral, and variation margin for daily settled contracts, Derivative Liabilities	[1]	(74,955)	[3],[5]	(99,496)	[4]
Held-to-maturity securities		4,927,860		4,487,252
Certificates of Deposit [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities		599,959		0
GSE obligations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	[6]	1,458,009		1,563,351
U.S. obligation MBS [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	[7]	638		690
GSE MBS [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	[8]	940,683		938,747
Residential MBS [Member] | Private-label residential MBS [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Held-to-maturity securities		91,954		110,431
Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities		2,999,289		2,502,788
Available-for-sale securities		1,227,036		1,091,721
Total derivative assets		55,720		76,405
Total derivative liabilities		79,010		106,667
Held-to-maturity securities		4,746,709		4,276,650
Mortgage loans held for portfolio		6,975,480		6,752,849
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities		0		0
Available-for-sale securities		0		0
Total derivative assets		0		0
Total derivative liabilities		0		0
Held-to-maturity securities		181,151		210,602
Mortgage loans held for portfolio		1,529		1,197
Fair Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities		2,999,289		2,502,788
Available-for-sale securities		1,227,036		1,091,721
Total derivative assets		56,543		60,900
Total derivative liabilities		4,055		7,171
Held-to-maturity securities		4,927,860		4,487,252
Mortgage loans held for portfolio		6,977,009		6,754,046
Recurring fair value measurements [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Netting adjustments, cash collateral, and variation margin for daily settled contracts, Derivative Assets	[9]	823
Netting adjustments, cash collateral, and variation margin for daily settled contracts, Derivative Assets	[4]			(15,505)
Netting adjustments, cash collateral, and variation margin for daily settled contracts, Derivative Liabilities		(74,955)	[9]	(99,496)	[4]
Recurring fair value measurements [Member] | Interest-rate related [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Netting adjustments, cash collateral, and variation margin for daily settled contracts, Derivative Assets	[9]	823
Netting adjustments, cash collateral, and variation margin for daily settled contracts, Derivative Assets	[4]			(15,505)
Netting adjustments, cash collateral, and variation margin for daily settled contracts, Derivative Liabilities		(74,955)	[9]	(99,496)	[4]
Recurring fair value measurements [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities		2,999,289		2,502,788
Available-for-sale securities		1,227,036		1,091,721
Total derivative assets		55,720		76,405
TOTAL FAIR VALUE MEASUREMENTS - ASSETS		4,282,045		3,670,914
Total derivative liabilities		79,010		106,667
TOTAL FAIR VALUE MEASUREMENTS - LIABILITIES		79,010		106,667
Recurring fair value measurements [Member] | Level 2 [Member] | Interest-rate related [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total derivative assets		55,682		76,191
Total derivative liabilities		78,597		106,295
Recurring fair value measurements [Member] | Level 2 [Member] | Mortgage delivery commitments [Member] | Mortgages [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total derivative assets		38		214
Total derivative liabilities		413		372
Recurring fair value measurements [Member] | Level 2 [Member] | Certificates of Deposit [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities		599,959
Recurring fair value measurements [Member] | Level 2 [Member] | GSE obligations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	[10]	1,458,009		1,563,351
Recurring fair value measurements [Member] | Level 2 [Member] | U.S. obligation MBS [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	[11]	638		690
Recurring fair value measurements [Member] | Level 2 [Member] | GSE MBS [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	[12]	940,683		938,747
Available-for-sale securities	[13]	1,227,036		1,091,721
Recurring fair value measurements [Member] | Fair Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities		2,999,289		2,502,788
Available-for-sale securities		1,227,036		1,091,721
Total derivative assets		56,543		60,900
TOTAL FAIR VALUE MEASUREMENTS - ASSETS		4,282,868		3,655,409
Total derivative liabilities		4,055		7,171
TOTAL FAIR VALUE MEASUREMENTS - LIABILITIES		4,055		7,171
Recurring fair value measurements [Member] | Fair Value [Member] | Interest-rate related [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total derivative assets		56,505		60,686
Total derivative liabilities		3,642		6,799
Recurring fair value measurements [Member] | Fair Value [Member] | Mortgage delivery commitments [Member] | Mortgages [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total derivative assets		38		214
Total derivative liabilities		413		372
Recurring fair value measurements [Member] | Fair Value [Member] | Certificates of Deposit [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities		599,959
Recurring fair value measurements [Member] | Fair Value [Member] | GSE obligations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	[10]	1,458,009		1,563,351
Recurring fair value measurements [Member] | Fair Value [Member] | U.S. obligation MBS [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	[11]	638		690
Recurring fair value measurements [Member] | Fair Value [Member] | GSE MBS [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trading securities	[12]	940,683		938,747
Available-for-sale securities	[13]	1,227,036		1,091,721
Nonrecurring fair value measurements - Assets: [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
TOTAL FAIR VALUE MEASUREMENTS - ASSETS		4,233	[14]	7,072	[15]
Mortgage loans held for portfolio		1,534	[14]	1,205	[15]
Real estate owned		555	[14]	1,086	[15]
Nonrecurring fair value measurements - Assets: [Member] | Level 3 [Member] | Residential MBS [Member] | Private-label residential MBS [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Held-to-maturity securities		2,144	[14]	4,781	[15]
Nonrecurring fair value measurements - Assets: [Member] | Fair Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
TOTAL FAIR VALUE MEASUREMENTS - ASSETS		4,233	[14]	7,072	[15]
Mortgage loans held for portfolio		1,534	[14]	1,205	[15]
Real estate owned		555	[14]	1,086	[15]
Nonrecurring fair value measurements - Assets: [Member] | Fair Value [Member] | Residential MBS [Member] | Private-label residential MBS [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Held-to-maturity securities		$ 2,144	[14]	$ 4,781	[15]
[1]	Amounts represent the application of the netting requirements that allow the FHLBank to settle positive and negative positions as well as cash collateral, including initial or variation margin, and related accrued interest held or placed with the same clearing agent and/or derivative counterparty, and includes fair value adjustments on derivatives for which variation margin is characterized as a daily settled contract. Cash collateral posted was $89,911,000 and $105,481,000 as of June 30, 2017 and December 31, 2016, respectively. Cash collateral received was $15,689,000 and $21,490,000 as of June 30, 2017 and December 31, 2016, respectively. Variation margin for daily settled contracts was $1,556,000 as of June 30, 2017.
[2]	Represents netting adjustments, cash collateral, and variation margin for daily settled contracts.
[3]	Represents the effect of legally enforceable master netting agreements that allow the FHLBank to net settle positive and negative positions and also derivative cash collateral, related accrued interest held or placed with the same clearing agent or derivative counterparty, and variation margin for daily settled contracts. Variation margin for daily settled contracts of $1,556,000 is included with derivative assets.
[4]	Represents the effect of legally enforceable master netting agreements that allow the FHLBank to net settle positive and negative positions and also derivative cash collateral and related accrued interest held or placed with the same clearing agent or derivative counterparty.
[5]	Represents netting adjustments and cash collateral.
[6]	Represents debentures issued by other FHLBanks, Federal National Mortgage Association (Fannie Mae), Federal Home Loan Mortgage Corporation (Freddie Mac), Federal Farm Credit Bank (Farm Credit) and Federal Agricultural Mortgage Corporation (Farmer Mac). GSE securities are not guaranteed by the U.S. government.
[7]	Represents single-family MBS issued by Government National Mortgage Association (Ginnie Mae), which are guaranteed by the U.S. government.
[8]	Represents single-family and multi-family MBS issued by Fannie Mae and Freddie Mac.
[9]	Represents the effect of legally enforceable master netting agreements that allow the FHLBank to net settle positive and negative positions and also derivative cash collateral, related accrued interest held or placed with the same clearing agent or derivative counterparty, and variation margin for daily settled contracts.
[10]	Represents debentures issued by other FHLBanks, Fannie Mae, Freddie Mac, Farm Credit and Farmer Mac. GSE securities are not guaranteed by the U.S. government.
[11]	Represents single-family MBS issued by Ginnie Mae, which are guaranteed by the U.S. government.
[12]	Represents single-family and multi-family MBS issued by Fannie Mae and Freddie Mac.
[13]	Represents multi-family MBS issued by Fannie Mae.
[14]	Includes assets adjusted to fair value during the six months ended June 30, 2017 and still outstanding as of June 30, 2017.
[15]	Includes assets adjusted to fair value during the year ended December 31, 2016 and still outstanding as of December 31, 2016.

Commitments And Contingencies78

Commitments And Contingencies (Narrative) (Details)	6 Months Ended	12 Months Ended
	Jun. 30, 2017USD ($)Rate	Dec. 31, 2016USD ($)
Off-balance Sheet Commitments:
Obligation with Joint and Several Liability Arrangement, Description	As provided by the Federal Home Loan Bank Act of 1932, as amended (Bank Act) or FHFA regulation, consolidated obligations are backed only by the financial resources of the FHLBanks. FHLBank Topeka is jointly and severally liable with the other FHLBanks for the payment of principal and interest on all of the consolidated obligations issued by the FHLBanks.
Obligation with joint and several liability arrangement, off balance sheet amount	$ 964,682,516,000	$ 946,829,735,000
Carrying value included in other liabilities	$ 70,101,000	$ 64,803,000
Number of in-district state housing authorities with standby bond purchase agreements	2	2
Number of out-of-district state housing authorities with standby bond purchase agreements	1	1
Mortgage Delivery Commitments Derivative Asset (Liability)	$ (375,000)	$ (158,000)
Other Commitments Other Assets:
Other assets	47,590,000	27,777,000
Standby Letters of Credit Outstanding [Member]
Off-balance Sheet Commitments:
Carrying value included in other liabilities	$ 1,064,000	$ 1,151,000
Commitment Expiration Year (no later than)	2,020	2,020
Standby Letters of Credit Outstanding [Member] | Minimum [Member]
Off-balance Sheet Commitments:
Debt Instrument, original term	4 days	7 days
Standby Letters of Credit Outstanding [Member] | Maximum [Member]
Off-balance Sheet Commitments:
Debt Instrument, original term	10 years	10 years
Forward Settling Advance Commitments [Member]
Off-balance Sheet Commitments:
Commitment Term (up to)	24 months
Commitments for standby bond purchases [Member]
Off-balance Sheet Commitments:
Commitment Expiration Year (no later than)	2,020
Mortgages [Member] | Commitments to fund or purchase mortgage loans [Member]
Off-balance Sheet Commitments:
Commitment Term (up to)	60 days
Shawnee County Financing Lease Agreement [Member]
Off-balance Sheet Commitments:
Debt Instrument, original term	127 months
Other Commitments Other Liabilities:
Debt Instrument, Issuance Date	Jun. 28, 2017
Debt Instrument, Issuer	Shawnee County, Kansas
Debt Instrument, Face Amount	$ 36,000,000
Debt Instrument, Maturity Date	Dec. 31, 2027
Debt Instrument, Interest Rate, Stated Percentage | Rate	2.00%
Debt Instrument, Frequency of Periodic Payment	annual
Debt Instrument, Date of First Required Payment	Dec. 1, 2017
Shawnee County Industrial Revenue Bond [Member]
Other Commitments Other Assets:
Industrial Revenue Bonds Instrument, Issuance Date	Jun. 28, 2017
Industrial Revenue Bonds Instrument, Issuer	Shawnee County, Kansas
Industrial Revenue Bonds Instrument, Face Amount	$ 36,000,000
Industrial Revenue Bonds Instrument, Maturity Date	Dec. 31, 2027
Industrial Revenue Bonds Instrument, Term	127 months
Industrial Revenue Bonds Instrument, Interest Rate, Stated Percentage | Rate	2.00%
Industrial Revenue Bonds Instrument, Frequency of Periodic Payment	annual
Industrial Revenue Bonds Instrument, Receipt Date of First Required Payment	Dec. 1, 2017
Other Assets [Member] | Shawnee County Industrial Revenue Bond [Member]
Other Commitments Other Assets:
Other assets	$ 16,500,000
Other Liabilities [Member] | Shawnee County Financing Lease Agreement [Member]
Other Commitments Other Liabilities:
Other Borrowings	16,500,000
Other Operating Expense [Member] | BOKF, N.A. [Member] | Shawnee County Industrial Revenue Bond [Member]
Other Commitments Other Liabilities:
Bond Trustee Expense	$ 11,000

Commitments And Contingencies79

Commitments And Contingencies (Off-Balance Sheet Commitments) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Standby letters of credit outstanding [Member]
Loss Contingencies [Line Items]
Expire Within One Year	$ 3,039,415	$ 2,995,497
Expire After One Year	16,523	12,823
Total	3,055,938	3,008,320
Advance commitments outstanding [Member]
Loss Contingencies [Line Items]
Expire Within One Year	74,475	37,950
Expire After One Year	69,475	45,025
Total	143,950	82,975
Commitments for standby bond purchases [Member]
Loss Contingencies [Line Items]
Expire Within One Year	594,412	210,349
Expire After One Year	545,497	1,002,669
Total	1,139,909	1,213,018
Commitments to issue consolidated bonds, at par [Member]
Loss Contingencies [Line Items]
Expire Within One Year	0	45,000
Expire After One Year	0	0
Total	0	45,000
Mortgages [Member] | Commitments to fund or purchase mortgage loans [Member]
Loss Contingencies [Line Items]
Expire Within One Year	119,050	90,013
Expire After One Year	0	0
Total	$ 119,050	$ 90,013

Transactions With Stockholder80

Transactions With Stockholders (Narrative) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
BOKF, N.A. [Member]
Related Party Transaction [Line Items]
Loans And Leases Receivable, Acquired or Funded With Related Party During Period	$ 0	$ 0	$ 0	$ 0
MidFirst Bank [Member]
Related Party Transaction [Line Items]
Loans And Leases Receivable, Acquired or Funded With Related Party During Period	$ 0	$ 0	$ 0	$ 0

Transactions With Stockholder81

Transactions With Stockholders (Related Party Transactions, by Balance Sheet Grouping) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Related Party Transaction [Line Items]
Outstanding Advances	$ 26,443,416	$ 23,985,835
Outstanding Deposits	496,015	598,931
Ten Percent Owner [Member]
Related Party Transaction [Line Items]
Regulatory Capital Stock, Total Par Value	$ 508,277	$ 418,424
Regulatory Capital Stock, Percent Of Total	35.30%	34.00%
Outstanding Advances	$ 10,300,000	$ 9,140,000
Outstanding Advances, Percent of Total	39.00%	38.10%
Outstanding Deposits	$ 9,451	$ 54,569
Outstanding Deposits, Percent of Total	1.90%	9.20%
Ten Percent Owner [Member] | Total Class A Stock [Member]
Related Party Transaction [Line Items]
Regulatory Capital Stock, Total Par Value	$ 27,950	$ 1,000
Regulatory Capital Stock, Percent Of Total	12.90%	0.60%
Ten Percent Owner [Member] | Total Class B Stock [Member]
Related Party Transaction [Line Items]
Regulatory Capital Stock, Total Par Value	$ 480,327	$ 417,424
Regulatory Capital Stock, Percent Of Total	39.30%	39.20%
BOKF, N.A. [Member]
Related Party Transaction [Line Items]
Regulatory Capital Stock, Total Par Value	$ 274,114	$ 220,255
Regulatory Capital Stock, Percent Of Total	19.00%	17.90%
Outstanding Advances	$ 5,200,000	$ 4,800,000
Outstanding Advances, Percent of Total	19.70%	20.00%
Outstanding Deposits	$ 9,215	$ 54,145
Outstanding Deposits, Percent of Total	1.90%	9.10%
BOKF, N.A. [Member] | Total Class A Stock [Member]
Related Party Transaction [Line Items]
Regulatory Capital Stock, Total Par Value	$ 27,450	$ 500
Regulatory Capital Stock, Percent Of Total	12.70%	0.30%
BOKF, N.A. [Member] | Total Class B Stock [Member]
Related Party Transaction [Line Items]
Regulatory Capital Stock, Total Par Value	$ 246,664	$ 219,755
Regulatory Capital Stock, Percent Of Total	20.20%	20.60%
MidFirst Bank [Member]
Related Party Transaction [Line Items]
Regulatory Capital Stock, Total Par Value	$ 234,163	$ 198,169
Regulatory Capital Stock, Percent Of Total	16.30%	16.10%
Outstanding Advances	$ 5,100,000	$ 4,340,000
Outstanding Advances, Percent of Total	19.30%	18.10%
Outstanding Deposits	$ 236	$ 424
Outstanding Deposits, Percent of Total	0.00%	0.10%
MidFirst Bank [Member] | Total Class A Stock [Member]
Related Party Transaction [Line Items]
Regulatory Capital Stock, Total Par Value	$ 500	$ 500
Regulatory Capital Stock, Percent Of Total	0.20%	0.30%
MidFirst Bank [Member] | Total Class B Stock [Member]
Related Party Transaction [Line Items]
Regulatory Capital Stock, Total Par Value	$ 233,663	$ 197,669
Regulatory Capital Stock, Percent Of Total	19.10%	18.60%

Transactions With Stockholder82

Transactions With Stockholders (Related Party Transactions, by Balance Sheet Grouping-Directors) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Related Party Transaction [Line Items]
Advances, Outstanding Amount	$ 26,443,416	$ 23,985,835
Deposits, Outstanding Amount	496,015	598,931
Director [Member]
Related Party Transaction [Line Items]
TOTAL CAPITAL STOCK, Outstanding Amount	$ 16,720	$ 9,367
TOTAL CAPITAL STOCK, Percent Of Total	1.20%	0.80%
Advances, Outstanding Amount	$ 169,754	$ 172,793
Advances, Percent of Total	0.60%	0.70%
Deposits, Outstanding Amount	$ 9,695	$ 12,329
Deposits, Percent of Total	2.00%	2.10%
Director [Member] | Class A [Member]
Related Party Transaction [Line Items]
TOTAL CAPITAL STOCK, Outstanding Amount	$ 8,966	$ 3,782
TOTAL CAPITAL STOCK, Percent Of Total	4.10%	2.30%
Director [Member] | Class B [Member]
Related Party Transaction [Line Items]
TOTAL CAPITAL STOCK, Outstanding Amount	$ 7,754	$ 5,585
TOTAL CAPITAL STOCK, Percent Of Total	0.60%	0.50%

Transactions With Stockholder83

Transactions With Stockholders (Schedule Of Related Party Transactions, Mortgage Loans Disclosure) (Details) - Director [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Related Party Transaction [Line Items]
Mortgage loans acquired	$ 26,126	$ 21,602	$ 54,992	$ 33,703
Mortgage loans aquired, Percent of Total	7.10%	6.60%	8.40%	6.10%