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Allowance for Loan Losses
 3 Months Ended
Mar. 31, 2018
Allowance for Loan Losses [Abstract]  
Allowance for Credit Losses [Text Block]
Allowance for Loan Losses
The allowance for loan losses is reported as a reduction of outstanding loan balances, and totaled $72.9 million and $74.7 million at March 31, 2018 and December 31, 2017, respectively.
The following tables present a summary of the changes in the allowance for loan losses for the periods indicated:
 
As of and for the three months ended March 31,
 
2018
 
2017
 
(In thousands)
Allowance for loan losses, beginning of period:
 
 
 
Commercial and industrial
$
11,735

 
$
12,751

Commercial real estate
46,820

 
50,412

Construction and land
4,949

 
3,039

Residential
9,773

 
10,449

Home equity
835

 
1,035

Consumer and other
630

 
391

Total allowance for loan losses, beginning of period
74,742

 
78,077

 
As of and for the three months ended March 31,
 
2018
 
2017
 
(In thousands)
Loans charged-off:
 
 
 
Commercial and industrial
(214
)
 
—

Commercial real estate
(135
)
 
—

Construction and land
—

 
—

Residential
(16
)
 
(58
)
Home equity
—

 
—

Consumer and other
(24
)
 
—

Total charge-offs
(389
)
 
(58
)
Recoveries on loans previously charged-off:
 
 
 
Commercial and industrial
82

 
87

Commercial real estate
125

 
50

Construction and land
—

 
—

Residential
—

 
47

Home equity
1

 
—

Consumer and other
132

 
9

Total recoveries
340

 
193

Provision/ (credit) for loan losses:
 
 
 
Commercial and industrial
(160
)
 
(547
)
Commercial real estate
(694
)
 
702

Construction and land
(416
)
 
158

Residential
139

 
(348
)
Home equity
(52
)
 
(48
)
Consumer and other
(612
)
 
(98
)
Total provision/(credit) for loan losses
(1,795
)
 
(181
)
Allowance for loan losses at end of period:
 
 
 
Commercial and industrial
11,443

 
12,291

Commercial real estate
46,116

 
51,164

Construction and land
4,533

 
3,197

Residential
9,896

 
10,090

Home equity
784

 
987

Consumer and other
126

 
302

Total allowance for loan losses at end of period
$
72,898

 
$
78,031


The allowance for loan losses is an estimate of the inherent risk of loss in the loan portfolio as of the consolidated balance sheet dates. Management estimates the level of the allowance based on all relevant information available. Changes to the required level in the allowance result in either a provision for loan loss expense, if an increase is required, or a credit to the provision, if a decrease is required. Loan losses are charged to the allowance when available information confirms that specific loans, or portions thereof, are uncollectible. Recoveries on loans previously charged-off are credited to the allowance when received in cash.
The provision/ (credit) for loan losses and related balance in the allowance for loan losses for tax-exempt commercial and industrial loans are included with commercial and industrial. The provision/ (credit) for loan losses and related balance in the allowance for loan losses for tax-exempt commercial real estate loans are included with commercial real estate. There were no charge-offs or recoveries, for any period presented, for both commercial and industrial and commercial real estate tax-exempt loans.
The following tables present the Company’s allowance for loan losses and loan portfolio at March 31, 2018 and December 31, 2017 by portfolio segment, disaggregated by method of impairment analysis. The Company had no loans acquired with deteriorated credit quality at March 31, 2018 or December 31, 2017.
 
March 31, 2018
 
Individually Evaluated
for Impairment
 
Collectively Evaluated
for Impairment
 
Total
 
Recorded investment
(loan balance)
 
Allowance for loan losses
 
Recorded investment
(loan balance)
 
Allowance for loan losses
 
Recorded investment
(loan balance)
 
Allowance for loan losses
 
(In thousands)
Commercial and industrial
$
2,100

 
$
—

 
$
949,750

 
$
11,443

 
$
951,850

 
$
11,443

Commercial real estate
8,472

 
241

 
2,456,531

 
45,875

 
2,465,003

 
46,116

Construction and land
109

 
—

 
165,131

 
4,533

 
165,240

 
4,533

Residential
11,538

 
83

 
2,725,831

 
9,813

 
2,737,369

 
9,896

Home equity
1,795

 
20

 
92,536

 
764

 
94,331

 
784

Consumer
—

 
—

 
188,534

 
126

 
188,534

 
126

Total
$
24,014

 
$
344

 
$
6,578,313

 
$
72,554

 
$
6,602,327

 
$
72,898

 
December 31, 2017
 
Individually Evaluated
for Impairment
 
Collectively Evaluated
for Impairment
 
Total
 
Recorded investment
(loan balance)
 
Allowance for loan losses
 
Recorded investment
(loan balance)
 
Allowance for loan losses
 
Recorded investment
(loan balance)
 
Allowance for loan losses
 
(In thousands)
Commercial and industrial
$
1,676

 
$
58

 
$
938,014

 
$
11,677

 
$
939,690

 
$
11,735

Commercial real estate
8,687

 
362

 
2,431,533

 
46,458

 
2,440,220

 
46,820

Construction and land
109

 
—

 
164,881

 
4,949

 
164,990

 
4,949

Residential
10,165

 
89

 
2,672,368

 
9,684

 
2,682,533

 
9,773

Home equity
1,815

 
20

 
98,143

 
815

 
99,958

 
835

Consumer
125

 
125

 
177,512

 
505

 
177,637

 
630

Total
$
22,577

 
$
654

 
$
6,482,451

 
$
74,088

 
$
6,505,028

 
$
74,742