Borrowings (Tables)

6 Months Ended

Jun. 30, 2016

Schedule Of Repurchase Agreement Counterparty [Table Text Block]

At June 30, 2016 and December 31, 2015, securities sold under agreements to repurchase (classified by counterparty), excluding accrued interest in the amount of $1.6 million and $2.2 million, respectively, were as follows:

	June 30,				December 31,
	2016				2015
			Fair Value of				Fair Value of
	Borrowing		Underlying		Borrowing		Underlying
	Balance		Collateral		Balance		Collateral
	(In thousands)
JP Morgan Chase Bank NA	$	222,500	$	231,586	$	262,500	$	283,483
Credit Suisse Securities (USA) LLC		402,000		437,103		670,000		737,887
Total	$	624,500	$	668,689	$	932,500	$	1,021,370

Schedule of Repurchase Agreement by Maturity [Table text Block]

The following table shows a summary of the Company’s repurchase agreements and their terms, excluding accrued interest in the amount of $1.6 million, at June 30, 2016:

			Weighted-
	Borrowing		Average		Maturity
Year of Maturity	Balance		Coupon	Settlement Date	Date
	(In thousands)
2016	$	170,000	1.500%	12/6/2012	12/8/2016

2017		232,000	4.780%	3/2/2007	3/2/2017

2018		222,500	1.420%	12/10/2012	4/29/2018
	$	624,500	2.690%

Schedule of Repurchase Agreements [Table]

	June 30, 2016
					Market Value of Underlying Collateral

			Weighted		FNMA and				US Treasury
	Repurchase		Average		FHLMC		GNMA		Treasury
	Liability		Rate		Certificates		Certificates		Notes		Total
	(Dollars in thousands)
Over 90 days	$	624,500		2.69%	$	646,889	$	1,579	$	20,221	$	668,689

	December 31, 2015
					Market Value of Underlying Collateral

			Weighted		FNMA and				US Treasury
	Repurchase		Average		FHLMC		GNMA		Treasury
	Liability		Rate		Certificates		Certificates		Notes		Total
	(Dollars in thousands)
Less than 90 days	$	30,000		0.70%	$	31,961	$	-	$	-	$	31,961
Over 90 days		902,500		3.18%		974,698		2,131		12,580		989,409
Total	$	932,500		3.10%	$	1,006,659	$	2,131	$	12,580	$	1,021,370

Federal Home Loan Bank Advances Maturities Summary [Table Text Block]

The following table shows a summary of these advances and their terms, excluding accrued interest in the amount of $336 thousand, at June 30, 2016:

			Weighted-
		Borrowing	Average		Maturity
Year of Maturity		Balance	Coupon	Settlement Date	Date
		(In thousands)
2016	$	50,000	0.56%	6/10/2016	7/11/2016
		100,000	0.59%	6/16/2016	7/18/2016
		25,000	0.60%	6/24/2016	7/25/2016
		25,000	0.57%	6/30/2016	7/29/2016
		37,290	0.63%	6/1/2016	7/1/2016
		237,290

2017		4,150	1.24%	4/3/2012	4/3/2017

2018		30,000	2.19%	1/16/2013	1/16/2018
		25,000	2.18%	1/16/2013	1/16/2018
		55,000

2020		9,704	2.59%	7/19/2013	7/20/2020
	$	306,144	0.95%

Redemtion Funds [Table Text Block]

	Redemption fund
	(In thousands)
Redemption fund at June 30, 2016	$	67,000
	$	67,000