XML 46 R28.htm IDEA: XBRL DOCUMENT v2.4.0.6
Available-For-Sale Securities (Tables)
 3 Months Ended
Mar. 31, 2013
Available-for-sale Securities [Abstract]  
Summary Of The Available-For-Sale Securities Portfolio
The following tables are a summary of the available-for-sale securities portfolio as of the dates shown:
 

March 31, 2013
(Dollars in thousands)
Amortized
Cost
 
Gross
unrealized
gains
 
Gross
unrealized
losses
 
Fair
Value
U.S. Treasury
$
220,215

 
$
190

 
$
(2,760
)
 
$
217,645

U.S. Government agencies
975,386

 
2,960

 
(4,631
)
 
973,715

Municipal
107,947

 
2,628

 
(316
)
 
110,259

Corporate notes and other:
 
 
 
 
 
 
 
Financial issuers
136,761

 
2,569

 
(2,280
)
 
137,050

Other
11,628

 
195

 
—

 
11,823

Mortgage-backed: (1)
 
 
 
 
 
 
 
Mortgage-backed securities
294,728

 
7,360

 
(3,194
)
 
298,894

Collateralized mortgage obligations
68,496

 
897

 
(5
)
 
69,388

Other equity securities
52,413

 
745

 
(1,101
)
 
52,057

Total available-for-sale securities
$
1,867,574

 
$
17,544

 
$
(14,287
)
 
$
1,870,831

 

December 31, 2012
 
Amortized
Cost
 
Gross
unrealized
gains
 
Gross
unrealized
losses
 
Fair
Value
(Dollars in thousands)
 
 
 
U.S. Treasury
$
220,226

 
$
198

 
$
(937
)
 
$
219,487

U.S. Government agencies
986,186

 
4,839

 
(986
)
 
990,039

Municipal
107,868

 
2,899

 
(296
)
 
110,471

Corporate notes and other:
 
 
 
 
 
 
 
Financial issuers
142,205

 
2,452

 
(3,982
)
 
140,675

Other
13,911

 
220

 
—

 
14,131

Mortgage-backed: (1)
 
 
 
 
 
 
 
Mortgage-backed securities
188,485

 
8,805

 
(30
)
 
197,260

Collateralized mortgage obligations
73,386

 
928

 
—

 
74,314

Other equity securities
52,846

 
215

 
(3,362
)
 
49,699

Total available-for-sale securities
$
1,785,113

 
$
20,556

 
$
(9,593
)
 
$
1,796,076

 
 
March 31, 2012
 
Amortized
Cost
 
Gross
unrealized
gains
 
Gross
unrealized
losses
 
Fair
Value
(Dollars in thousands)
 
 
 
U.S. Treasury
$
23,063

 
$
128

 
$
(2
)
 
$
23,189

U.S. Government agencies
682,847

 
4,082

 
(4,149
)
 
682,780

Municipal
67,970

 
1,963

 
(18
)
 
69,915

Corporate notes and other:
 
 
 
 
 
 
 
Financial issuers
148,492

 
2,569

 
(9,044
)
 
142,017

Other
26,475

 
329

 
(5
)
 
26,799

Mortgage-backed: (1)
 
 
 
 
 
 
 
Mortgage-backed securities
846,380

 
11,866

 
(806
)
 
857,440

Collateralized mortgage obligations
28,423

 
286

 
(1
)
 
28,708

Other equity securities
42,664

 
111

 
(4,279
)
 
38,496

Total available-for-sale securities
$
1,866,314

 
$
21,334

 
$
(18,304
)
 
$
1,869,344


(1)
Consisting entirely of residential mortgage-backed securities, none of which are subprime.
Schedule Of Available-For-Sale Securities Portfolio Continuous Unrealized Loss Position
The following table presents the portion of the Company’s available-for-sale securities portfolio which has gross unrealized losses, reflecting the length of time that individual securities have been in a continuous unrealized loss position at March 31, 2013:
 
 
Continuous unrealized
losses existing for
less than 12 months
 
Continuous unrealized
losses existing for
greater than 12 months
 
Total
(Dollars in thousands)
Fair Value
 
Unrealized losses
 
Fair Value
 
Unrealized losses
 
Fair Value
 
Unrealized losses
U.S. Treasury
$
197,422

 
$
(2,760
)
 
$
—

 
$
—

 
$
197,422

 
$
(2,760
)
U.S. Government agencies
510,371

 
(4,629
)
 
6,032

 
(2
)
 
516,403

 
(4,631
)
Municipal
19,977

 
(314
)
 
463

 
(2
)
 
20,440

 
(316
)
Corporate notes and other:
 
 
 
 
 
 
 
 
 
 
 
Financial issuers
4,606

 
(37
)
 
73,696

 
(2,243
)
 
78,302

 
(2,280
)
Other
—

 
—

 
—

 
—

 
—

 
—

Mortgage-backed:
 
 
 
 
 
 
 
 
 
 
 
Mortgage-backed securities
158,142

 
(3,194
)
 
—

 
—

 
158,142

 
(3,194
)
Collateralized mortgage obligations
13,616

 
(5
)
 
—

 
—

 
13,616

 
(5
)
Other equity securities
5,920

 
(80
)
 
24,379

 
(1,021
)
 
30,299

 
(1,101
)
Total
$
910,054

 
$
(11,019
)
 
$
104,570

 
$
(3,268
)
 
$
1,014,624

 
$
(14,287
)
Schedule Of Available-For-Sale Investment Securities Gross Gains And Gross Losses Realized
The following table provides information as to the amount of gross gains and gross losses realized and proceeds received through the sales of available-for-sale investment securities:
 

Three months ended March 31,
(Dollars in thousands)
2013
 
2012
Realized gains
$
313

 
$
828

Realized losses
(62
)
 
(12
)
Net realized gains
$
251

 
$
816

Other than temporary impairment charges
—

 
—

Gains on available-for-sale securities, net
$
251

 
$
816

Proceeds from sales of available-for-sale securities
$
41,056

 
$
737,369
Contractual Maturities Of Available-For-Sale Securities
The amortized cost and fair value of securities as of March 31, 2013, December 31, 2012 and March 31, 2012, by contractual maturity, are shown in the following table. Contractual maturities may differ from actual maturities as borrowers may have the right to call or repay obligations with or without call or prepayment penalties. Mortgage-backed securities are not included in the maturity categories in the following maturity summary as actual maturities may differ from contractual maturities because the underlying mortgages may be called or prepaid without penalties:
 

March 31, 2013
 
December 31, 2012
 
March 31, 2012
(Dollars in thousands)
Amortized Cost
 
Fair Value
 
Amortized Cost
 
Fair Value
 
Amortized Cost
 
Fair Value
Due in one year or less
$
247,388

 
$
247,836

 
$
188,594

 
$
189,015

 
$
79,980

 
$
80,351

Due in one to five years
337,431

 
338,633

 
419,588

 
419,654

 
496,724

 
494,391

Due in five to ten years
357,677

 
356,871

 
361,037

 
362,135

 
106,545

 
105,856

Due after ten years
509,441

 
507,152

 
501,177

 
503,999

 
265,598

 
264,102

Mortgage-backed
363,224

 
368,282

 
261,871

 
271,574

 
874,803

 
886,148

Other equity securities
52,413

 
52,057

 
52,846

 
49,699

 
42,664

 
38,496

Total available-for-sale securities
$
1,867,574

 
$
1,870,831

 
$
1,785,113

 
$
1,796,076

 
$
1,866,314

 
$
1,869,344