Offsetting of financial assets and liabilities (Tables)

12 Months Ended

Dec. 31, 2014

Offsetting Assets Table [Text Block]

As of December 31, 2014
							Gross Amounts Not Offset in the Statement of Financial Position
(In thousands)	Gross Amount of Recognized Assets		Gross Amounts Offset in the Statement of Financial Position		Net Amounts of Assets Presented in the Statement of Financial Position		Financial Instruments		Securities Collateral Received			Cash Collateral Received	Net Amount
Derivatives	$	25,361	$	-	$	25,361	$	320	$	-	$	-	$	25,041
Reverse repurchase agreements		151,134		-		151,134		-		151,134		-		-
Total	$	176,495	$	-	$	176,495	$	320	$	151,134	$	-	$	25,041

As of December 31, 2013
							Gross Amounts Not Offset in the Statement of Financial Position
(In thousands)	Gross Amount of Recognized Assets		Gross Amounts Offset in the Statement of Financial Position		Net Amounts of Assets Presented in the Statement of Financial Position		Financial Instruments		Securities Collateral Received			Cash Collateral Received	Net Amount
Derivatives	$	34,793	$	-	$	34,793	$	1,220	$	-	$	-	$	33,573
Reverse repurchase agreements		175,965		-		175,965		-		175,965		-		-
Total	$	210,758	$	-	$	210,758	$	1,220	$	175,965	$	-	$	33,573

Offsetting Liabilities Table [Text Block]

As of December 31, 2014
							Gross Amounts Not Offset in the Statement of Financial Position
(In thousands)	Gross Amount of Recognized Liabilities		Gross Amounts Offset in the Statement of Financial Position		Net Amounts of Liabilities Presented in the Statement of Financial Position		Financial Instruments		Securities Collateral Pledged			Cash Collateral Pledged	Net Amount
Derivatives	$	23,032	$	-	$	23,032	$	320	$	8,781	$	-	$	13,931
Repurchase agreements		1,171,657		-		1,171,657		-		1,171,657		-		-
Total	$	1,194,689	$	-	$	1,194,689	$	320	$	1,180,438	$	-	$	13,931

As of December 31, 2013
							Gross Amounts Not Offset in the Statement of Financial Position
(In thousands)	Gross Amount of Recognized Liabilities		Gross Amounts Offset in the Statement of Financial Position		Net Amounts of Liabilities Presented in the Statement of Financial Position		Financial Instruments		Securities Collateral Pledged			Cash Collateral Received	Net Amount
Derivatives	$	32,378	$	-	$	32,378	$	1,220	$	14,003	$	-	$	17,155
Repurchase agreements		1,659,292		-		1,659,292		-		1,659,292		-		-
Total	$	1,691,670	$	-	$	1,691,670	$	1,220	$	1,673,295	$	-	$	17,155