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Securities (Tables)
 3 Months Ended
Mar. 31, 2017
Investments [Abstract]  
Amortized Cost and Approximate Fair Value of Securities Available For Sale
The amortized cost and approximate fair value of securities available for sale as of March 31, 2017 and December 31, 2016 are summarized as follows:
໿
(Dollars in thousands)
Amortized
Cost
 
Gross
Unrealized
Gains
 
Gross
Unrealized
Losses
 
Fair
Value
March 31, 2017
 
 
 
 
 
 
 
U.S. government agencies
$
22,304

 
$
34

 
$
(94
)
 
$
22,244

State and political subdivisions
40,681

 
282

 
(524
)
 
40,439

Mortgage-backed securities -
 
 
 
 
 
 
 
U.S. government-sponsored enterprises
35,485

 
146

 
(550
)
 
35,081

 Corporate Debt
2,000

 
33

 
—

 
2,033


$
100,470

 
$
495

 
$
(1,168
)
 
$
99,797

December 31, 2016
 
 
 
 
 
 
 
U.S. government agencies
$
13,115

 
$
29

 
$
(57
)
 
$
13,087

State and political subdivisions
41,255

 
203

 
(770
)
 
40,688

Mortgage-backed securities -
 
 
 
 
 
 
 
U.S. government-sponsored enterprises
33,483

 
126

 
(755
)
 
32,854

 Corporate Debt
2,000

 
—

 
(18
)
 
1,982


$
89,853

 
$
358

 
$
(1,600
)
 
$
88,611
Amortized Cost and Fair Value of Securities By Contractual Maturity of Available-For-Sale Securities
(Dollars in thousands)
Amortized
Cost
 
Fair
Value
Due in one year or less
$
—

 
$
—

Due after one year through five years
199

 
200

Due after five years through ten years
4,255

 
4,276

Due after ten years
38,227

 
37,996

Total bonds and obligations
42,681

 
42,472

U.S. government agencies
22,304

 
22,244

Mortgage-backed securities:
 
 
 
U.S. government-sponsored enterprises
35,485

 
35,081

Total available for sale securities
$
100,470

 
$
99,797
Temporarily Impaired Gross Unrealized Losses And Fair Value of Available-For-Sale Securities
The following table shows gross unrealized losses and fair value of securities with unrealized losses that are not deemed to be other than temporarily impaired, aggregated by category and length of time that individual available for sale securities have been in a continuous unrealized loss position at March 31, 2017 and December 31, 2016.
໿

Less Than 12 Months
 
12 Months or More
 
Total
(Dollars in thousands)
Fair
Value
 
Gross
Unrealized
Losses
 
Fair
Value
 
Gross
Unrealized
Losses
 
Fair
Value
 
Gross
Unrealized
Losses
March 31, 2017
 
 
 
 
 
 
 
 
 
 
 
U.S. government agencies
$
11,199

 
$
(53
)
 
$
2,067

 
$
(41
)
 
$
13,266

 
$
(94
)
State and political subdivisions
14,930

 
(524
)
 
—

 
—

 
14,930

 
(524
)
Mortgage-backed securities -
 
 
 
 
 
 
 
 
 
 
 
U.S. government-sponsored enterprises
24,538

 
(549
)
 
540

 
(1
)
 
25,078

 
(550
)
Corporate Debt
—

 
—

 
—

 
—

 
—

 
—

Total temporarily impaired securities
$
50,667

 
$
(1,126
)
 
$
2,607

 
$
(42
)
 
$
53,274

 
$
(1,168
)
December 31, 2016
 
 
 
 
 
 
 
 
 
 
 
U.S. government agencies
$
4,952

 
$
(15
)
 
$
2,126

 
$
(42
)
 
$
7,078

 
$
(57
)
State and political subdivisions
23,989

 
(770
)
 
—

 
—

 
23,989

 
(770
)
Mortgage-backed securities -
 
 
 
 
 
 
 
 
 
 
 
U.S. government-sponsored enterprises
23,299

 
(752
)
 
639

 
(3
)
 
23,938

 
(755
)
Corporate Debt
1,982

 
(18
)
 
—

 
—

 
1,982

 
(18
)
Total temporarily impaired securities
$
54,222

 
$
(1,555
)
 
$
2,765

 
$
(45
)
 
$
56,987

 
$
(1,600
)
Amortized Cost and Approximate Fair Value of Securities Held-To-Maturity
The amortized cost and approximate fair value of securities held to maturity as of March 31, 2017 and December 31, 2016 are summarized as follows:
໿
(Dollars in thousands)
Amortized
Cost
 
Gross
Unrealized
Gains
 
Gross
Unrealized
Losses
 
Fair
Value
March 31, 2017
 
 
 
 
 
 
 
State and political subdivisions
$
8,630

 
$
158

 
$
—

 
$
8,788

December 31, 2016
 
 
 
 
 
 
 
State and political subdivisions
$
11,618

 
$
123

 
$
(2
)
 
$
11,739
Amortized Cost and Fair Value of Securities By Contractual Maturity of Held-To-Maturity Securities
The amortized cost and carrying value of securities held to maturity at March 31, 2017 are shown below by contractual maturity.  Actual maturities may differ from contractual maturities as issuers may have the right to call or prepay obligations with or without call or prepayment penalties.
(Dollars in thousands)
Amortized
Cost
 
Fair
Value
Due in one year or less
$
5,783

 
$
5,783

Due after one year through five years
—

 
—

Due after five years through ten years
1,808

 
1,871

Due after ten years
1,039

 
1,134

Total held to maturity securities
$
8,630

 
$
8,788