Transfers of financial assets and mortgage servicing assets (Tables)

9 Months Ended

Sep. 30, 2017

Transfers and Servicing of Financial Assets

Schedule Of Securitizations Of Financial Assets Accounted For As Sale [Text Block]

		Proceeds Obtained During the Quarter Ended September 30, 2017
(In thousands)	Level 1		Level 2		Level 3		Initial Fair Value
Assets
Investments securities available for sale:
Mortgage-backed securities - FNMA	$	-	$	4,329	$	-	$	4,329
Total investment securities available-for-sale	$	-	$	4,329	$	-	$	4,329
Trading account securities:
Mortgage-backed securities - GNMA	$	-	$	85,722	$	-	$	85,722
Mortgage-backed securities - FNMA		-		16,452		-		16,452
Total trading account securities	$	-	$	102,174	$	-	$	102,174
Mortgage servicing rights	$	-	$	-	$	1,588	$	1,588
Total	$	-	$	106,503	$	1,588	$	108,091

		Proceeds Obtained During the Nine Months Ended September 30, 2017
(In thousands)	Level 1		Level 2		Level 3		Initial Fair Value
Assets
Investments securities available for sale:
Mortgage-backed securities - FNMA	$	-	$	16,049	$	-	$	16,049
Total investment securities available-for-sale	$	-	$	16,049	$	-	$	16,049
Trading account securities:
Mortgage-backed securities - GNMA	$	-	$	368,660	$	-	$	368,660
Mortgage-backed securities - FNMA		-		69,798		-		69,798
Total trading account securities	$	-	$	438,458	$	-	$	438,458
Mortgage servicing rights	$	-	$	-	$	6,766	$	6,766
Total	$	-	$	454,507	$	6,766	$	461,273

		Proceeds Obtained During the Quarter Ended September 30, 2016
(In thousands)	Level 1		Level 2		Level 3		Initial Fair Value
Assets
Investments securities available for sale:
Mortgage-backed securities - GNMA	$	-	$	20,686	$	-	$	20,686
Mortgage-backed securities - FNMA		-		5,138		-		5,138
Total investment securities available-for-sale	$	-	$	25,824	$	-	$	25,824
Trading account securities:
Mortgage-backed securities - GNMA	$	-	$	140,255	$	-	$	140,255
Mortgage-backed securities - FNMA		-		44,574		-		44,574
Total trading account securities	$	-	$	184,829	$	-	$	184,829
Mortgage servicing rights	$	-	$	-	$	2,695	$	2,695
Total	$	-	$	210,653	$	2,695	$	213,348

		Proceeds Obtained During the Nine Months Ended September 30, 2016
(In thousands)	Level 1		Level 2		Level 3		Initial Fair Value
Assets
Investments securities available for sale:
Mortgage-backed securities - GNMA	$	-	$	20,686	$	-	$	20,686
Mortgage-backed securities - FNMA		-		5,138		-		5,138
Total investment securities available-for-sale	$	-	$	25,824	$	-	$	25,824
Trading account securities:
Mortgage-backed securities - GNMA	$	-	$	444,382	$	-	$	444,382
Mortgage-backed securities - FNMA		-		123,888		-		123,888
Total trading account securities	$	-	$	568,270	$	-	$	568,270
Mortgage servicing rights	$	-	$	-	$	7,235	$	7,235
Total	$	-	$	594,094	$	7,235	$	601,329

Schedule Of Servicing Assets At Fair Value Text Block

Residential MSRs
(In thousands)	September 30, 2017		September 30, 2016
Fair value at beginning of period	$	196,889	$	211,405
Additions		7,530		7,843
Changes due to payments on loans[1]		(12,794)		(13,381)
Reduction due to loan repurchases		(1,605)		(1,183)
Changes in fair value due to changes in valuation model inputs or assumptions		(9,863)		(4,315)
Other disposals		-		(15)
Fair value at end of period	$	180,157	$	200,354
[1] Represents the change due to collection / realization of expected cash flow over time.

Schedule Of Assumptions For Fair Value On Securitization Date Of Interests Continued To Be Held By Transferor Servicing Assets Or Servicing Liabilities Text Block

	Quarters ended				Nine months ended
	September 30, 2017		September 30, 2016		September 30, 2017		September 30, 2016
Prepayment speed	4.9	%	4.6	%	4.3	%	5.2	%
Weighted average life	10.5	years	10.6	years	10.9	years	10.1	years
Discount rate (annual rate)	10.9	%	11.0	%	10.9	%	11.0	%

Schedule of Sensitivity Analysis of Fair Value, Transferor's Interests in Transferred Financial Assets

		Originated MSRs						Purchased MSRs
		September 30,			December 31,			September 30,			December 31,
(In thousands)		2017			2016			2017			2016
Fair value of servicing rights		$	77,786		$	88,056		$	102,371		$	108,833
Weighted average life (in years)			7.2			7.8			6.4			6.9
Weighted average prepayment speed (annual rate)			5.4	%		4.6	%		6.0	%		4.8	%
	Impact on fair value of 10% adverse change	$	(1,931)		$	(1,668)		$	(2,637)		$	(2,051)
	Impact on fair value of 20% adverse change	$	(3,796)		$	(3,590)		$	(5,172)		$	(4,400)
Weighted average discount rate (annual rate)			11.5	%		11.5	%		11.0	%		11.0	%
	Impact on fair value of 10% adverse change	$	(3,626)		$	(3,851)		$	(4,484)		$	(4,369)
	Impact on fair value of 20% adverse change	$	(6,982)		$	(7,699)		$	(8,640)		$	(8,778)