XML 42 R31.htm IDEA: XBRL DOCUMENT v3.10.0.1
Investment Securities Maturity of Held-to-Maturity Securities (Tables)
 9 Months Ended
Sep. 30, 2018
Schedule of Held-to-maturity Securities [Line Items]  
Debt Securities, Held-to-maturity [Table Text Block]
Below is an analysis of the amortized cost and fair values of debt securities held to maturity at:
 
September 30, 2018
 
December 31, 2017
 
Amortized
Cost
 
Gross
Unrealized
Gains
 
Gross
Unrealized
Losses
 
Estimated
Fair Value
 
Amortized
Cost
 
Gross
Unrealized
Gains
 
Gross
Unrealized
Losses
 
Estimated
Fair Value
 
(dollars in thousands)
Obligations of U.S. Government Agencies:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Mortgage-Backed Securities – Residential
$
3,663

 
$
—

 
$
(156
)
 
$
3,507

 
$
3,925

 
$
—

 
$
(14
)
 
$
3,911

Mortgage-Backed Securities- Commercial
55,726

 
—

 
(2,742
)
 
52,984

 
58,249

 
—

 
(1,394
)
 
56,855

Obligations of U.S. Government-Sponsored Enterprises:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Mortgage-Backed Securities – Residential
273,972

 
—

 
(11,468
)
 
262,504

 
305,126

 
10

 
(2,552
)
 
302,584

Mortgage-Backed Securities – Commercial
13,413

 
—

 
(427
)
 
12,986

 
14,056

 
—

 
(71
)
 
13,985

Obligations of States and Political Subdivisions
42,447

 
5

 
(895
)
 
41,557

 
40,540

 
335

 
(161
)
 
40,714

Debt Securities Issued by Foreign Governments
400

 
—

 
(5
)
 
395

 
200

 
—

 
—

 
200

Total Securities Held to Maturity
$
389,621

 
$
5

 
$
(15,693
)
 
$
373,933

 
$
422,096

 
$
345

 
$
(4,192
)
 
$
418,249
Schedule of Held-to-Maturity Securities by Maturity [Table Text Block]
The amortized cost and estimated fair value of debt securities held to maturity at September 30, 2018, by contractual maturity, are shown below. Expected maturities will differ from contractual maturities because borrowers may have the right to call or repay obligations with or without call or prepayment penalties.
 
Amortized
Cost
 
Estimated
Fair Value
 
(dollars in thousands)
Due within 1 year
$
85

 
$
85

Due after 1 but within 5 years
3,814

 
3,778

Due after 5 but within 10 years
37,329

 
36,491

Due after 10 years
1,619

 
1,598

 
42,847

 
41,952

Mortgage-Backed Securities (a)
346,774

 
331,981

Total Debt Securities
$
389,621

 
$
373,933

(a)
Mortgage-Backed Securities include an amortized cost of $59.4 million and a fair value of $56.5 million for Obligations of U.S. Government agencies issued by Ginnie Mae and an amortized cost of $287.4 million and a fair value of $275.5 million for Obligations of U.S. Government-sponsored enterprises issued by Fannie Mae and Freddie Mac.