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SECURITIES (Tables)
 12 Months Ended
Dec. 31, 2015
Investments, Debt and Equity Securities [Abstract]  
Schedule of Available-for-sale Securities and Held-to-maturity Securties
The following table presents a summary of the amortized cost, gross unrealized holding gains and losses, other-than-temporary impairment recorded in other comprehensive income and fair value of securities available for sale and securities held to maturity for the periods indicated:
 
December 31, 2015
 
December 31, 2014
 
Amortized
Cost
Gross
Unrealized
Gains
Gross Unrealized
Losses
Fair
Value
 
Amortized
Cost
Gross
Unrealized
Gains
Gross Unrealized
Losses
Fair
Value
 
(Dollars in thousands)
Available for sale securities
 
 
 
 
 
 
 
 
 
U.S. government agency securities
$
29,958

$
261

$
(4
)
$
30,215

 
$
41,369

$
139

$
(22
)
$
41,486

Agency mortgage-backed securities
207,693

4,227

(983
)
210,937

 
211,168

7,203

(693
)
217,678

Agency collateralized mortgage obligations
64,157

179

(752
)
63,584

 
63,059

599

(623
)
63,035

State, county, and municipal securities
4,543

116

—

4,659

 
5,106

117

—

5,223

Single issuer trust preferred securities issued by banks
2,865

8

(81
)
2,792

 
2,913

12

(16
)
2,909

Pooled trust preferred securities issued by banks and insurers (1)
2,217

—

(645
)
1,572

 
7,906

195

(1,780
)
6,321

Small business administration pooled securities
40,472

87

(110
)
40,449

 
—

—

—

—

Equity securities
13,235

374

(568
)
13,041

 
11,572

567

(237
)
11,902

Total available for sale securities
365,140

5,252

(3,143
)
367,249

 
343,093

8,832

(3,371
)
348,554

Held to maturity securities
 
 
 
 
 
 
 
 
 
U.S. treasury securities
1,009

55

—

1,064

 
1,010

63

—

1,073

Agency mortgage-backed securities
167,134

3,460

(219
)
170,375

 
159,522

5,422

—

164,944

Agency collateralized mortgage obligations
267,348

1,195

(3,652
)
264,891

 
198,220

1,842

(3,478
)
196,584

State, county, and municipal securities
225

2

—

227

 
424

4

—

428

Single issuer trust preferred securities issued by banks
1,500

22

—

1,522

 
1,500

—

(23
)
1,477

Small business administration pooled securities
35,291

437

(64
)
35,664

 
9,775

299

—

10,074

Corporate debt securities
5,000

6

—

5,006

 
5,002

117

—

5,119

Total held to maturity securities
477,507

5,177

(3,935
)
478,749

 
375,453

7,747

(3,501
)
379,699

Total
$
842,647

$
10,429

$
(7,078
)
$
845,998

 
$
718,546

$
16,579

$
(6,872
)
$
728,253



(1)
Gross unrealized gains and gross unrealized losses include $230,000 of net non-credit related OTTI at December 31, 2014.
Summary of Realized Gains and Losses on Available-for-sale Securities
The following table shows the gross realized gains and losses on available for sale securities for the periods indicated:
 
Years Ended December 31
 
2015
 
2014
 
2013
 
(Dollars in thousands)
Equity securities classified as available for sale
 
 
 
 
 
Gross realized gains
$
20

 
$
91

 
$
(28
)
Gross realized losses
(99
)
 
—

 
—

Net realized gain (loss) on equity securities
$
(79
)
 
$
91

 
$
(28
)
Fixed income securities classified as available for sale
 
 
 
 
 
Gross realized gains
$
798

 
$
121

 
$
258

Gross realized losses
(1,124
)
 
(21
)
 
—

Net realized gain (loss) on fixed income securities
$
(326
)
 
$
100

 
$
258

When securities are sold, the adjusted cost of the specific security sold is used to compute the gain or loss on the sale. The following table shows the gross realized gains and losses on available for sale securities for the periods indicated:
 
Years Ended December 31
 
2015
 
2014
 
2013
 
(Dollars in thousands)
Equity securities classified as available for sale
 
 
 
 
 
Gross realized gains
$
20

 
$
91

 
$
(28
)
Gross realized losses
(99
)
 
—

 
—

Net realized gain (loss) on equity securities
$
(79
)
 
$
91

 
$
(28
)
Fixed income securities classified as available for sale
 
 
 
 
 
Gross realized gains
$
798

 
$
121

 
$
258

Gross realized losses
(1,124
)
 
(21
)
 
—

Net realized gain (loss) on fixed income securities
$
(326
)
 
$
100

 
$
258
Schedule of Contractual Maturities of Securities
A schedule of the contractual maturities of securities available for sale and securities held to maturity as of December 31, 2015 is presented below:
 
Available for Sale
 
Held to Maturity
 
Amortized
Cost
 
Fair
Value
 
Amortized
Cost
 
Fair
Value
 
(Dollars in thousands)
Due in one year or less
$
499

 
$
500

 
$
5,250

 
$
5,258

Due after one year to five years
34,384

 
34,715

 
49

 
49

Due after five to ten years
91,251

 
91,178

 
34,018

 
34,545

Due after ten years
225,771

 
227,815

 
438,190

 
438,897

Total debt securities
351,905

 
354,208

 
477,507

 
478,749

Equity securities
13,235

 
13,041

 
—

 
—

Total
$
365,140


$
367,249

 
$
477,507

 
$
478,749
Schedule of Gross Unrealized Losses and Fair Value of Investments


 
 
 
December 31, 2015
 
 
 
Less than 12 months
 
12 months or longer
 
Total
Description of securities
# of
holdings
 
Fair Value
 
Unrealized
Losses
 
Fair
Value
 
Unrealized
Losses
 
Fair Value
 
Unrealized
Losses
 
 
 
(Dollars in thousands)
U.S. government agency securities
3

 
$
1,990

 
$
(4
)
 
$
—

 
$
—

 
$
1,990

 
$
(4
)
Agency mortgage-backed securities
57

 
112,648

 
(1,062
)
 
4,297

 
(140
)
 
116,945

 
(1,202
)
Agency collateralized mortgage obligations
23

 
147,707

 
(1,420
)
 
80,927

 
(2,984
)
 
228,634

 
(4,404
)
Single issuer trust preferred securities issued by banks and insurers
2

 
1,018

 
(33
)
 
1,018

 
(48
)
 
2,036

 
(81
)
Pooled trust preferred securities issued by banks and insurers
1

 
—

 
—

 
1,572

 
(645
)
 
1,572

 
(645
)
Small business administration pooled securities
3

 
37,986

 
(174
)
 
—

 
—

 
37,986

 
(174
)
Equity securities
34

 
3,481

 
(189
)
 
4,971

 
(379
)
 
8,452

 
(568
)
Total temporarily impaired securities
123

 
$
304,830

 
$
(2,882
)
 
$
92,785

 
$
(4,196
)
 
$
397,615

 
$
(7,078
)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
December 31, 2014
 
 
 
Less than 12 months
 
12 months or longer
 
Total
Description of securities
# of
holdings
 
Fair Value
 
Unrealized
Losses
 
Fair
Value
 
Unrealized
Losses
 
Fair Value
 
Unrealized
Losses
 
 
 
(Dollars in thousands)
U.S.government agency securities
22

 
$
21,950

 
$
(22
)
 
$
—

 
$
—

 
$
21,950

 
$
(22
)
Agency mortgage-backed securities
17

 
3,471

 
(1
)
 
42,222

 
(692
)
 
45,693

 
(693
)
Agency collateralized mortgage obligations
14

 
35,083

 
(331
)
 
94,974

 
(3,770
)
 
130,057

 
(4,101
)
Single issuer trust preferred securities issued by banks and insurers
2

 
2,553

 
(39
)
 
—

 
—

 
2,553

 
(39
)
Pooled trust preferred securities issued by banks and insurers
2

 
—

 
—

 
2,681

 
(1,356
)
 
2,681

 
(1,356
)
Equity securities
23

 
1,480

 
(74
)
 
4,072

 
(163
)
 
5,552

 
(237
)
Total temporarily impaired securities
80

 
$
64,537

 
$
(467
)
 
$
143,949

 
$
(5,981
)
 
$
208,486

 
$
(6,448
)
Schedule of Other Than Temporary Impairment
The following table shows the total OTTI that the Company recorded for the periods indicated:
 
Years Ended December 31
 
2015
 
2014
 
2013
 
(Dollars in thousands)
Gross change in OTTI recorded on certain investments
$
—

 
$
2,098

 
$
588

Portion of OTTI recognized in OCI
—

 
(2,098
)
 
(588
)
Total credit related OTTI recognized in earnings
$
—

 
$
—

 
$
—
Summary of Cumulative Credit Related Component of OTTI
The following table shows the cumulative credit related component of OTTI for the periods indicated:
 
2015
 
2014
 
2013
 
(Dollars in thousands)
Balance at beginning of period
$
(9,997
)
 
$
(9,997
)
 
$
(10,847
)
Add
 
 
 
 
 
Incurred on securities not previously impaired
—

 
—

 
—

Incurred on securities previously impaired
—

 
—

 
—

Less
 
 
 
 
 
Securities sold during the period
9,997

 
—

 
850

Reclassification due to changes in Company’s intent
—

 
—

 
—

Increases in cash flow expected to be collected
—

 
—

 
—

Balance at end of period
$
—

 
$
(9,997
)
 
$
(9,997
)