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Investments (Tables)
12 Months Ended
Dec. 31, 2012
Investments [Abstract]  
Amortized cost and fair value of AFS securities and corresponding amounts of gross unrealized gains and losses
The amortized cost and fair value of our AFS securities and the corresponding amounts of gross unrealized gains and losses were as follows:
 
 
 
 
 
Gross Unrealized
 
 
Estimated
 
 
Amortized
 
 
 
 
 
Losses 1 Year
 
 
Losses Greater
 
 
Fair
 
 
Cost
 
 
Gains
 
 
Or Less
 
 
Than 1 Year
 
 
Value
 
December 31, 2012
 
(in thousands)
 
Agency mortgage-backed securities
 
$
20,378
 
 
$
27
 
 
$
(278
)
 
$
-
 
 
$
20,127
 
Non-agency mortgage-backed securities
 
$
3,273
 
 
 
19
 
 
 
-
 
 
 
(519
)
 
 
2,773
 
Total
 
$
23,651
 
 
$
46
 
 
$
(278
)
 
$
(519
)
 
$
22,900
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
December 31, 2011
 
(in thousands)
 
Agency mortgage-backed securities
 
$
53
 
 
$
6
 
 
$
-
 
 
$
-
 
 
$
59
 
Non-agency mortgage-backed securities
 
 
3,939
 
 
 
-
 
 
 
-
 
 
 
(1,006
)
 
 
2,933
 
Total
 
$
3,992
 
 
$
6
 
 
$
-
 
 
$
(1,006
)
 
$
2,992
 

Amortized cost and fair value of mortgage-backed securities by contractual maturity
The amortized cost and fair value of mortgage-backed securities by contractual maturity, at December 31, 2012, are shown below.  Expected maturities of mortgage-backed securities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.

 
December 31, 2012
 
 
Amortized Cost
 
 
Fair Value
 
 
(In thousands)
 
Due after ten years
 
$
23,651
 
 
$
22,900
 

Gain (loss) on sales of available for sale securities
Sales of available for sale securities were as follows:

Twelve Months Ended December 31,
2012
2011
(in thousands)
Proceeds
$
-
$
1,118
Gross gains
-
3
Gross losses
-
(37
)

Aggregate fair value and gross unrealized loss in continuous unrealized loss position
The following table summarizes the aggregate fair value and gross unrealized loss by length of time those investments have been continuously in an unrealized loss position:

 
December 31, 2012
 
 
Less Than 12 Months
 
 
12 Months or Longer
 
 
Total
 
 
Fair Value
 
 
Unrealized Loss
 
 
Fair Value
 
 
Unrealized Loss
 
 
Fair Value
 
 
Unrealized Loss
 
December 31, 2012
 
(in thousands)
 
Agency mortgage-backed securities
 
$
17,685
 
 
$
(278
)
 
$
-
 
 
$
-
 
 
$
17,685
 
 
$
(278
)
Non-agency mortgage-backed securities
 
$
-
 
 
$
-
 
 
$
2,137
 
 
 
(519
)
 
$
2,137
 
 
 
(519
)
Total
 
$
17,685
 
 
$
(278
)
 
$
2,137
 
 
$
(519
)
 
$
19,822
 
 
$
(797
)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
December 31, 2011
 
 
Less Than 12 Months
 
 
12 Months or Longer
 
 
Total
 
 
Fair Value
 
 
Unrealized Loss
 
 
Fair Value
 
 
Unrealized Loss
 
 
Fair Value
 
 
Unrealized Loss
 
December 31, 2011
 
(in thousands)
 
Non-agency mortgage-backed securities
 
$
-
 
 
$
-
 
 
$
2,933
 
 
$
(1,006
)
 
$
2,933
 
 
$
(1,006
)
Total
 
$
-
 
 
$
-
 
 
$
2,933
 
 
$
(1,006
)
 
$
2,933
 
 
$
(1,006
)

Cumulative roll forward of credit losses recognized in earnings
The following table presents the cumulative roll forward of credit losses recognized in earnings relating to the Company's non-U.S. agency mortgage backed securities:

 
Twelve Months Ended
 
 
December 31,
 
 
2012
 
 
2011
 
 
(in thousands)
 
Estimated credit losses, beginning balance
 
$
256
 
 
$
160
 
Additions for credit losses not previously recognized
 
 
164
 
 
 
96
 
Reduction for increases in cash flows
 
 
-
 
 
 
-
 
Reduction for realized losses
 
 
-
 
 
 
-
 
Estimated credit losses, ending balance
 
$
420
 
 
$
256