Certain Transfers of Financial Assets (Tables)
 12 Months Ended
Dec. 31, 2014
Transfers and Servicing [Abstract]  
Carrying Value of Servicing Assets
The carrying value of the servicing assets is shown in the table below:
 
 
December 31,
(in thousands)
 
2014
 
2013
Servicing rights




Residential mortgage

$
56,720


$
46,785

SBA

4,872


4,529

Indirect automobile

3,305


1,888

Total carrying value of servicing assets

$
64,897


$
53,202
Residential Mortgage Servicing Rights and Impairment
The table below is an analysis of the activity in the Company’s MSRs and impairment :
 
 
For the Years Ended December 31,
(in thousands)
 
2014
 
2013
Residential mortgage servicing rights
 
 
 
 
Beginning carrying value, net
 
$
46,785

 
$
23,085

Additions
 
20,593

 
27,823

Amortization
 
(7,335
)
 
(6,064
)
(Impairment) recovery, net
 
(3,323
)
 
1,941

Ending carrying value, net
 
$
56,720

 
$
46,785

 
 
For the Years Ended December 31,
(in thousands)
 
2014
 
2013
Residential mortgage servicing impairment
 
 
 
 
Beginning balance
 
$
3,129

 
$
5,070

  Additions
 
4,898

 
2,719

  Recoveries
 
(1,575
)
 
(4,660
)
Ending balance
 
$
6,452

 
$
3,129
Assumptions and Estimates in Determining the Impairment of Capitalized MSRs
The fair value of MSRs, key metrics, and the sensitivity of the fair value to adverse changes in key economic assumptions are summarized below:
($ in thousands)
 
December 31, 2014
 
December 31, 2013
Residential Mortgage Servicing Rights
 
 
 
 
Fair Value
 
$
63,977

 
$
53,742

Composition of residential loans serviced for others:
 
 
 
 
  Fixed-rate
 
99.40
%
 
99.60
%
  Adjustable-rate
 
0.60
%
 
0.40
%
    Total
 
100.00
%
 
100.00
%
Weighted average remaining term (years)
 
26.0

 
26.0

Prepayment speed
 
9.24
%
 
7.33
%
  Decline in fair value due to a 10% adverse change
 
$
(2,149
)
 
$
(1,449
)
  Decline in fair value due to a 20% adverse change
 
(4,149
)
 
(2,830
)
Weighted average discount rate
 
9.73
%
 
10.14
%
  Decline in fair value due to a 10% adverse change
 
$
(2,231
)
 
$
(2,012
)
  Decline in fair value due to a 20% adverse change
 
(4,298
)
 
(3,880
)
Asset Quality of Mortgage Loans
Information about the asset quality of residential mortgage loans serviced by the Company is shown in the table below:
Residential mortgage loans serviced
 
December 31, 2014
 
Net Charge-offs for the Year Ended December 31, 2014
 
Unpaid
Principal
Balance
 
 
 
 
 
Delinquent (days)
 
(In thousands)
30 to 89
 
90+
 
Serviced for others
 
$
5,413,781

 
$
30,097

 
$
1,831

 
$
—

Held-for-sale
 
177,314

 
115

 
—

 
—

Held-for-investment
 
155,782

 
349

 
1,796

 
71

  Total residential mortgage loans serviced
 
$
5,746,877

 
$
30,561

 
$
3,627

 
$
71
Analysis of Activity in the Company's SBA Loan Servicing Rights and Impairment
The table below is an analysis of the activity in the Company’s SBA loan servicing rights and impairment:
 
 
For the Years Ended December 31,
(in thousands)
 
2014
 
2013
SBA loan servicing rights
 
 
 
 
Beginning carrying value, net
 
$
4,529

 
$
6,192

Additions
 
1,687

 
1,834

Amortization
 
(1,744
)
 
(1,618
)
Recovery (impairment), net
 
400

 
(1,879
)
Ending carrying value, net
 
$
4,872

 
$
4,529

 
 
For the Years Ended December 31,
(in thousands)
 
2014
 
2013
SBA servicing rights impairment
 
 
 
 
Beginning balance
 
$
2,218

 
$
339

Additions
 
464

 
2,800

Recoveries
 
(864
)
 
(921
)
Ending balance
 
$
1,818

 
$
2,218
Assumptions and Estimates in Determining the Impairment of Capitalized SBA Loan Servicing Rights
The fair value of the SBA loan servicing rights, key metrics, and the sensitivity of the fair value to adverse changes in key economic assumptions are summarized below:
($ in thousands)
 
December 31, 2014
 
December 31, 2013
SBA loan servicing rights
 
 
 
 
Fair value
 
$
4,931

 
$
4,691

Composition of loans serviced for others:
 
 
 
 
Fixed-rate
 
0.10
%
 
—
%
Adjustable-rate
 
99.90
%
 
100.00
%
Total
 
100.00
%
 
100.00
%
Weighted average remaining term (years)
 
20.4

 
20.8

Prepayment speed
 
7.64
%
 
5.94
%
  Decline in fair value due to a 10% adverse change
 
$
(97
)
 
$
(92
)
  Decline in fair value due to a 20% adverse change
 
(191
)
 
(181
)
Weighted average discount rate
 
13.50
%
 
13.50
%
  Decline in fair value due to a 10% adverse change
 
$
(173
)
 
$
(205
)
  Decline in fair value due to a 20% adverse change
 
(336
)
 
(394
)
Asset Quality of SBA Loans
Information about the asset quality of SBA loans serviced by the Company is shown in the table below:
SBA loans serviced
 
December 31, 2014
 
Net Charge-offs for the Year Ended December 31, 2014
 
 
Unpaid
Principal
Balance
 
 
 
 
 
 
Delinquent (days)
 
(In thousands)
 
30 to 89
 
90+
 
Serviced for others
 
$
245,902

 
$
1,983

 
$
4,013

 
$
1,998

Held-for-sale
 
12,511

 
—

 
—

 
—

Held-for-investment
 
134,781

 
—

 
2,116

 
1,911

Total SBA loans serviced
 
$
393,194

 
$
1,983

 
$
6,129

 
$
3,909
Indirect Loan Servicing Rights [Table Text Block]
The table below is an analysis of the activity in the Company’s indirect automobile loan servicing rights:
 
 
For the Years Ended December 31,
(in thousands)
 
2014
 
2013
Indirect automobile loan servicing rights
 
 
 
 
Beginning carrying value
 
$
1,888

 
$
967

Additions
 
2,453

 
1,565

Amortization
 
(1,036
)
 
(644
)
Ending carryiing value
 
$
3,305

 
$
1,888
Assumptions and Estimates in Determining Impairment of Indirect Loan Servicing Rights [Table Text Block]
The Company has not recorded impairment on its indirect automobile loan servicing rights. The fair value of the indirect automobile loan servicing rights, key metrics, and the sensitivity of the fair value to adverse changes in key economic assumptions are summarized below:
 
 
December 31,
(In thousands)
 
2014
 
2013
Indirect loan servicing rights
 
 
 
 
Fair value
 
$
6,550

 
$
3,783

Composition of loans serviced for others:
 
 
 
 
Fixed-rate
 
100
%
 
100
%
Adjustable-rate
 
—
%
 
—
%
Total
 
100
%
 
100
%
Weighted average remaining term (years)
 
5.0

 
5.0

Prepayment speed
 
18.14
%
 
18.14
%
  Decline in fair value due to a 10% adverse change
 
$
(164
)
 
$
(95
)
  Decline in fair value due to a 20% adverse change
 
(322
)
 
(185
)
Weighted average discount rate
 
6.47
%
 
6.47
%
  Decline in fair value due to a 10% adverse change
 
$
(60
)
 
$
(35
)
  Decline in fair value due to a 20% adverse change
 
(119
)
 
(69
)
Indirect Servicing Asset Quality Of Loans [Table Text Block]
Information about the asset quality of the indirect automobile loans serviced by the Company is shown in the table below:
Indirect automobile loans serviced
 
December 31, 2014
 
Net Charge-offs for the Year Ended December 31, 2014
 
 
Unpaid
Principal
Balance
 
 
 
 
 
 
Delinquent (days)
 
(In thousands)
 
30 to 89
 
90+
 
Serviced for others
 
$
902,823

 
$
1,729

 
$
889

 
$
2,020

Held-for-sale
 
175,000

 
—

 
—

 
—

Held-for-investment
 
1,219,232

 
2,672

 
1,050

 
2,881

Total indirect automobile loans serviced
 
$
2,297,055

 
$
4,401

 
$
1,939

 
$
4,901