Transfers of financial assets and mortgage servicing assets (Tables)

9 Months Ended

Sep. 30, 2018

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, 2018
(In thousands)	Level 1		Level 2		Level 3		Initial Fair Value
Assets
Debt securities available-for-sale:
Mortgage-backed securities - FNMA	$	-	$	2,498	$	-	$	2,498
Total debt securities available-for-sale	$	-	$	2,498	$	-	$	2,498
Trading account debt securities:
Mortgage-backed securities - GNMA	$	-	$	109,911	$	-	$	109,911
Mortgage-backed securities - FNMA		-		23,625		-		23,625
Total trading account debt securities	$	-	$	133,536	$	-	$	133,536
Mortgage servicing rights	$	-	$	-	$	2,625	$	2,625
Total	$	-	$	136,034	$	2,625	$	138,659

		Proceeds Obtained During the Nine Months Ended September 30, 2018
(In thousands)	Level 1		Level 2		Level 3		Initial Fair Value
Assets
Debt securities available-for-sale:
Mortgage-backed securities - FNMA	$	-	$	9,458	$	-	$	9,458
Total debt securities available-for-sale	$	-	$	9,458	$	-	$	9,458
Trading account debt securities:
Mortgage-backed securities - GNMA	$	-	$	319,769	$	-	$	319,769
Mortgage-backed securities - FNMA		-		62,853		-		62,853
Total trading account debt securities	$	-	$	382,622	$	-	$	382,622
Mortgage servicing rights	$	-	$	-	$	7,198	$	7,198
Total	$	-	$	392,080	$	7,198	$	399,278

		Proceeds Obtained During the Quarter Ended September 30, 2017
(In thousands)	Level 1		Level 2		Level 3		Initial Fair Value
Assets
Debt securities available-for-sale:
Mortgage-backed securities - FNMA	$	-	$	4,329	$	-	$	4,329
Total debt securities available-for-sale	$	-	$	4,329	$	-	$	4,329
Trading account debt securities:
Mortgage-backed securities - GNMA	$	-	$	85,722	$	-	$	85,722
Mortgage-backed securities - FNMA		-		16,452		-		16,452
Total trading account debt 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
Debt securities available-for-sale:
Mortgage-backed securities - FNMA	$	-	$	16,049	$	-	$	16,049
Total debt securities available-for-sale	$	-	$	16,049	$	-	$	16,049
Trading account debt securities:
Mortgage-backed securities - GNMA	$	-	$	368,660	$	-	$	368,660
Mortgage-backed securities - FNMA		-		69,798		-		69,798
Total trading account debt securities	$	-	$	438,458	$	-	$	438,458
Mortgage servicing rights	$	-	$	-	$	6,766	$	6,766
Total	$	-	$	454,507	$	6,766	$	461,273

Schedule Of Servicing Assets At Fair Value Text Block

Residential MSRs
(In thousands)	September 30, 2018		September 30, 2017
Fair value at beginning of period	$	168,031	$	196,889
Additions		7,871		7,530
Changes due to payments on loans[1]		(10,194)		(12,794)
Reduction due to loan repurchases		(2,929)		(1,605)
Changes in fair value due to changes in valuation model inputs or assumptions		-		(9,863)
Fair value at end of period	$	162,779	$	180,157
[1] Represents changes due to collection / realization of expected cash flows 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, 2018		September 30, 2017		September 30, 2018		September 30, 2017
Prepayment speed	4.4	%	4.9	%	4.4	%	4.3	%
Weighted average life (in years)	11.4		10.5		11.4		10.9
Discount rate (annual rate)	11.0	%	10.9	%	11.1	%	10.9	%

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)		2018			2017			2018			2017
Fair value of servicing rights		$	67,545		$	73,951		$	95,234		$	94,080
Weighted average life (in years)			7.2			7.3			6.7			6.5
Weighted average prepayment speed (annual rate)			5.0	%		5.1	%		5.4	%		5.7	%
	Impact on fair value of 10% adverse change	$	(1,371)		$	(1,503)		$	(2,023)		$	(2,070)
	Impact on fair value of 20% adverse change	$	(2,702)		$	(2,976)		$	(3,982)		$	(3,999)
Weighted average discount rate (annual rate)			11.5	%		11.5	%		11.0	%		11.0	%
	Impact on fair value of 10% adverse change	$	(3,005)		$	(3,091)		$	(4,071)		$	(3,785)
	Impact on fair value of 20% adverse change	$	(5,789)		$	(5,971)		$	(7,850)		$	(7,235)