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Securities
9 Months Ended
Sep. 30, 2015
Investments, Debt and Equity Securities [Abstract]  
Securities
Securities
 
The following tables set forth the amortized cost and estimated fair value of securities available-for-sale and held-to-maturity at the dates indicated.
 
At September 30, 2015
(In Thousands)
Amortized
Cost
 
Gross
Unrealized
Gains
 
Gross
Unrealized
Losses
 
Estimated
Fair
Value
Available-for-sale:
 

 
 
 

 
 
 
 

 
 
 

Residential mortgage-backed securities:
 

 
 
 

 
 
 
 

 
 
 

GSE (1) issuance REMICs and CMOs (2)
$
329,635

 
 
$
4,821

 
 
 
$
(472
)
 
 
$
333,984

Non-GSE issuance REMICs and CMOs
3,548

 
 
16

 
 
 
(8
)
 
 
3,556

GSE pass-through certificates
11,205

 
 
531

 
 
 
(2
)
 
 
11,734

Total residential mortgage-backed securities
344,388

 
 
5,368

 
 
 
(482
)
 
 
349,274

Obligations of GSEs
98,683

 
 
14

 
 
 
(515
)
 
 
98,182

Fannie Mae stock
15

 
 

 
 
 
(13
)
 
 
2

Total securities available-for-sale
$
443,086

 
 
$
5,382

 
 
 
$
(1,010
)
 
 
$
447,458

Held-to-maturity:
 

 
 
 

 
 
 
 

 
 
 

Residential mortgage-backed securities:
 

 
 
 

 
 
 
 

 
 
 

GSE issuance REMICs and CMOs
$
1,411,120

 
 
$
18,691

 
 
 
$
(6,804
)
 
 
$
1,423,007

Non-GSE issuance REMICs and CMOs
200

 
 

 
 
 
(5
)
 
 
195

GSE pass-through certificates
258,825

 
 
2,946

 
 
 
(1,649
)
 
 
260,122

Total residential mortgage-backed securities
1,670,145

 
 
21,637

 
 
 
(8,458
)
 
 
1,683,324

Multi-family mortgage-backed securities:
 

 
 
 

 
 
 
 

 
 
 

GSE issuance REMICs
289,674

 
 
4,359

 
 
 
(12
)
 
 
294,021

Obligations of GSEs
207,355

 
 
659

 
 
 
(295
)
 
 
207,719

Corporate debt securities
30,000

 
 

 
 
 
(75
)
 
 
29,925

Other
455

 
 

 
 
 

 
 
455

Total securities held-to-maturity
$
2,197,629

 
 
$
26,655

 
 
 
$
(8,840
)
 
 
$
2,215,444


(1)
Government-sponsored enterprise
(2)
Real estate mortgage investment conduits and collateralized mortgage obligations
 
At December 31, 2014
(In Thousands)
Amortized
Cost
 
Gross
Unrealized
Gains
 
Gross
Unrealized
Losses
 
Estimated
Fair
Value
Available-for-sale:
 

 
 
 

 
 
 
 

 
 
 

Residential mortgage-backed securities:
 

 
 
 

 
 
 
 

 
 
 

GSE issuance REMICs and CMOs
$
266,946

 
 
$
3,608

 
 
 
$
(1,556
)
 
 
$
268,998

Non-GSE issuance REMICs and CMOs
5,071

 
 
34

 
 
 
(1
)
 
 
5,104

GSE pass-through certificates
12,919

 
 
640

 
 
 
(2
)
 
 
13,557

Total residential mortgage-backed securities
284,936

 
 
4,282

 
 
 
(1,559
)
 
 
287,659

Obligations of GSEs
98,680

 
 

 
 
 
(1,982
)
 
 
96,698

Fannie Mae stock
15

 
 

 
 
 
(13
)
 
 
2

Total securities available-for-sale
$
383,631

 
 
$
4,282

 
 
 
$
(3,554
)
 
 
$
384,359

Held-to-maturity:
 

 
 
 

 
 
 
 

 
 
 

Residential mortgage-backed securities:
 

 
 
 

 
 
 
 

 
 
 

GSE issuance REMICs and CMOs
$
1,575,402

 
 
$
14,536

 
 
 
$
(14,041
)
 
 
$
1,575,897

Non-GSE issuance REMICs and CMOs
2,482

 
 
31

 
 
 
(7
)
 
 
2,506

GSE pass-through certificates
281,685

 
 
2,442

 
 
 
(3,877
)
 
 
280,250

Total residential mortgage-backed securities
1,859,569

 
 
17,009

 
 
 
(17,925
)
 
 
1,858,653

Multi-family mortgage-backed securities:
 
 
 
 
 
 
 
 
 
 
 
GSE issuance REMICs
154,381

 
 
554

 
 
 
(590
)
 
 
154,345

Obligations of GSEs
119,336

 
 
42

 
 
 
(1,523
)
 
 
117,855

Other
518

 
 

 
 
 

 
 
518

Total securities held-to-maturity
$
2,133,804

 
 
$
17,605

 
 
 
$
(20,038
)
 
 
$
2,131,371



The following tables set forth the estimated fair values of securities with gross unrealized losses at the dates indicated, segregated between securities that have been in a continuous unrealized loss position for less than twelve months and those that have been in a continuous unrealized loss position for twelve months or longer at the dates indicated.

 
At September 30, 2015
 
 
Less Than Twelve Months
 
Twelve Months or Longer
 
Total
 
(In Thousands)
Estimated
Fair Value
 
Gross
Unrealized
Losses
 
Estimated
Fair Value
 
Gross
Unrealized
Losses
 
Estimated
Fair Value
 
Gross
Unrealized
Losses
Available-for-sale:
 

 
 
 

 
 
 

 
 
 

 
 
 

 
 
 

 
Residential mortgage-backed securities:
 

 
 
 

 
 
 

 
 
 

 
 
 

 
 
 

 
GSE issuance REMICs and CMOs
$
70,706

 
 
$
(472
)
 
 
$

 
 
$

 
 
$
70,706

 
 
$
(472
)
 
Non-GSE issuance REMICs and CMOs
80

 
 
(2
)
 
 
70

 
 
(6
)
 
 
150

 
 
(8
)
 
GSE pass-through certificates
97

 
 
(1
)
 
 
107

 
 
(1
)
 
 
204

 
 
(2
)
 
Obligations of GSEs
24,952

 
 
(32
)
 
 
48,225

 
 
(483
)
 
 
73,177

 
 
(515
)
 
Fannie Mae stock

 
 

 
 
2

 
 
(13
)
 
 
2

 
 
(13
)
 
Total temporarily impaired securities
available-for-sale
$
95,835

 
 
$
(507
)
 
 
$
48,404

 
 
$
(503
)
 
 
$
144,239

 
 
$
(1,010
)
 
Held-to-maturity:
 

 
 
 

 
 
 

 
 
 

 
 
 

 
 
 

 
Residential mortgage-backed securities:
 

 
 
 

 
 
 

 
 
 

 
 
 

 
 
 

 
GSE issuance REMICs and CMOs
$
66,064

 
 
$
(485
)
 
 
$
305,095

 
 
$
(6,319
)
 
 
$
371,159

 
 
$
(6,804
)
 
Non-GSE issuance REMICs and CMOs

 
 

 
 
195

 
 
(5
)
 
 
195

 
 
(5
)
 
GSE pass-through certificates
18

 
 
(1
)
 
 
110,412

 
 
(1,648
)
 
 
110,430

 
 
(1,649
)
 
Multi-family mortgage-backed securities:
 

 
 
 

 
 
 

 
 
 

 
 
 

 
 
 

 
GSE issuance REMICs
10,686

 
 
(12
)
 
 

 
 

 
 
10,686

 
 
(12
)
 
Obligations of GSEs
51,080

 
 
(295
)
 
 

 
 

 
 
51,080

 
 
(295
)
 
Corporate debt securities
19,925

 
 
(75
)
 
 

 
 

 
 
19,925

 
 
(75
)
 
Total temporarily impaired securities
held-to-maturity
$
147,773

 
 
$
(868
)
 
 
$
415,702

 
 
$
(7,972
)
 
 
$
563,475

 
 
$
(8,840
)
 

 
At December 31, 2014
 
 
Less Than Twelve Months
 
Twelve Months or Longer
 
Total
 
(In Thousands)
Estimated
Fair Value
 
Gross
Unrealized
Losses
 
Estimated
Fair Value
 
Gross
Unrealized
Losses
 
Estimated
Fair Value
 
Gross
Unrealized
Losses
Available-for-sale:
 

 
 
 

 
 
 

 
 
 

 
 
 

 
 
 

 
Residential mortgage-backed securities:
 

 
 
 

 
 
 

 
 
 

 
 
 

 
 
 

 
GSE issuance REMICs and CMOs
$
20,587

 
 
$
(159
)
 
 
$
75,444

 
 
$
(1,397
)
 
 
$
96,031

 
 
$
(1,556
)
 
Non-GSE issuance REMICs and CMOs

 
 

 
 
96

 
 
(1
)
 
 
96

 
 
(1
)
 
GSE pass-through certificates
53

 
 
(1
)
 
 
64

 
 
(1
)
 
 
117

 
 
(2
)
 
Obligations of GSEs
24,586

 
 
(395
)
 
 
72,112

 
 
(1,587
)
 
 
96,698

 
 
(1,982
)
 
Fannie Mae stock

 
 

 
 
2

 
 
(13
)
 
 
2

 
 
(13
)
 
Total temporarily impaired securities
available-for-sale
$
45,226

 
 
$
(555
)
 
 
$
147,718

 
 
$
(2,999
)
 
 
$
192,944

 
 
$
(3,554
)
 
Held-to-maturity:
 

 
 
 

 
 
 

 
 
 

 
 
 

 
 
 

 
Residential mortgage-backed securities:
 

 
 
 

 
 
 

 
 
 

 
 
 

 
 
 

 
GSE issuance REMICs and CMOs
$
121,861

 
 
$
(302
)
 
 
$
500,348

 
 
$
(13,739
)
 
 
$
622,209

 
 
$
(14,041
)
 
Non-GSE issuance REMICs and CMOs

 
 

 
 
294

 
 
(7
)
 
 
294

 
 
(7
)
 
GSE pass-through certificates

 
 

 
 
164,453

 
 
(3,877
)
 
 
164,453

 
 
(3,877
)
 
Multi-family mortgage-backed securities:
 
 
 
 
 
 
 
 
 
 
 
 


 
 


 
GSE issuance REMICs
100,355

 
 
(590
)
 
 

 
 

 
 
100,355

 
 
(590
)
 
Obligations of GSEs

 
 

 
 
79,413

 
 
(1,523
)
 
 
79,413

 
 
(1,523
)
 
Total temporarily impaired securities
held-to-maturity
$
222,216

 
 
$
(892
)
 
 
$
744,508

 
 
$
(19,146
)
 
 
$
966,724

 
 
$
(20,038
)
 


We held 70 securities which had an unrealized loss at September 30, 2015 and 80 securities which had an unrealized loss at December 31, 2014At September 30, 2015 and December 31, 2014, substantially all of the securities in an unrealized loss position had a fixed interest rate and the cause of the temporary impairment was directly related to changes in interest rates.  We generally view changes in fair value caused by changes in interest rates as temporary, which is consistent with our experience.  None of the unrealized losses are related to credit losses.  Therefore, at September 30, 2015 and December 31, 2014, the impairments were deemed temporary based on (1) the direct relationship of the decline in fair value to movements in interest rates, (2) the estimated remaining life and high credit quality of the investments and (3) the fact that we had no intention to sell these securities and it was not more likely than not that we would be required to sell these securities before their anticipated recovery of the remaining amortized cost basis and we expected to recover the entire amortized cost basis of the security.

During the nine months ended September 30, 2015, proceeds from sales of securities from the available-for-sale portfolio totaled $19.0 million, resulting in gross realized gains of $72,000. During the nine months ended September 30, 2014, proceeds from sales of securities from the available-for-sale portfolio totaled $14.4 million, resulting in gross realized gains of $141,000.

At September 30, 2015, available-for-sale debt securities, excluding mortgage-backed securities, had an amortized cost of $98.7 million, an estimated fair value of $98.2 million and contractual maturities in 2021 and 2022At September 30, 2015, held-to-maturity debt securities, excluding mortgage-backed securities, had an amortized cost of $237.8 million, an estimated fair value of $238.1 million and contractual maturities primarily in 2021 through 2027.  Actual maturities may differ from contractual maturities because issuers may have the right to prepay or call obligations with or without prepayment penalties.

At September 30, 2015, the amortized cost of callable securities in our portfolio totaled $306.0 million, of which $289.6 million are callable within one year and at various times thereafter. The balance of accrued interest receivable for securities totaled $7.3 million at September 30, 2015 and $6.7 million at December 31, 2014.