v2.4.0.6
Regulatory Capital Requirements (Tables)
12 Months Ended
Dec. 31, 2011
Regulatory Capital Requirements [Abstract]  
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations
As of December 31, 2011, the most recent notification from the Federal Deposit Insurance Corporation categorized Columbia Bank as well capitalized under the regulatory framework for prompt corrective action. To be categorized as well capitalized, an institution must maintain minimum total risk-based, Tier 1 risk-based, and Tier 1 leverage ratios as set forth in the following tables. There are no conditions or events since the notification that management believes have changed Columbia Bank’s category. The Company and its banking subsidiary’s actual capital amounts and ratios as of December 31, 2011 and 2010, are also presented in the following table.

 
 
Actual
 
For Capital
Adequacy
Purposes
 
To Be Well
Capitalized Under
Prompt
Corrective Action
Provision
Amount
 
Ratio
 
Amount
 
Ratio
 
Amount
 
Ratio
 
 
(dollars in thousands)
As of December 31, 2011
 
 
 
 
 
 
 
 
 
 
 
 
Total Capital (to risk-weighted assets):
 
 
 
 
 
 
 
 
 
 
 
 
The Company
 
$
636,559

 
21.05
%
 
$
241,955

 
8.0
%
 
N/A

 
N/A

Columbia Bank
 
$
561,216

 
18.55
%
 
$
242,028

 
8.0
%
 
$
302,535

 
10.0
%
Tier 1 Capital (to risk-weighted assets):
 
 
 
 
 
 
 
 
 
 
 
 
The Company
 
$
598,485

 
19.79
%
 
$
120,978

 
4.0
%
 
N/A

 
N/A

Columbia Bank
 
$
523,131

 
17.29
%
 
$
121,014

 
4.0
%
 
$
181,521

 
6.0
%
Tier 1 Capital (to average assets):
 
 
 
 
 
 
 
 
 
 
 
 
The Company
 
$
598,485

 
12.96
%
 
$
184,780

 
4.0
%
 
N/A

 
N/A

Columbia Bank
 
$
523,131

 
11.45
%
 
$
182,747

 
4.0
%
 
$
228,434

 
5.0
%
As of December 31, 2010
 
 
 
 
 
 
 
 
 
 
 
 
Total Capital (to risk-weighted assets):
 
 
 
 
 
 
 
 
 
 
 
 
The Company
 
$
623,526

 
24.47
%
 
$
203,871

 
8.0
%
 
N/A

 
N/A

Columbia Bank
 
$
463,587

 
18.20
%
 
$
203,789

 
8.0
%
 
$
254,736

 
10.0
%
Tier 1 Capital (to risk-weighted assets):
 
 
 
 
 
 
 
 
 
 
 
 
The Company
 
$
591,263

 
23.20
%
 
$
101,936

 
4.0
%
 
N/A

 
N/A

Columbia Bank
 
$
431,337

 
16.93
%
 
$
101,894

 
4.0
%
 
$
152,841

 
6.0
%
Tier 1 Capital (to average assets):
 
 
 
 
 
 
 
 
 
 
 
 
The Company
 
$
591,263

 
13.99
%
 
$
169,062

 
4.0
%
 
N/A

 
N/A

Columbia Bank
 
$
431,337

 
10.33
%
 
$
166,961

 
4.0
%
 
$
208,702

 
5.0
%