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Regulatory Matters (Tables)
12 Months Ended
Dec. 31, 2019
Banking and Thrift [Abstract]  
Schedule of Actual Amounts and Ratios
The Company’s and the Bank’s capital levels and regulatory capital ratios are presented in the tables below:
 
Actual
 
Required
For Capital
Adequacy Purposes
 
Minimum Capital Adequacy With Capital Conservation Buffer
 
Required To Be Well
Capitalized under
Prompt Corrective
Action Provisions
 
Amount
 
Ratio
 
Amount
 
Ratio
 
Amount
 
Ratio
 
Amount
 
Ratio
 
(Dollars in thousands)
December 31, 2019
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Common equity tier 1 capital
(to risk-weighted assets):
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Company
$
1,553,697

 
11.76
%
 
$
594,373

 
4.50
%
 
$
924,581

 
7.00
%
 
 N/A

 
 N/A

Bank
$
1,811,862

 
13.72
%
 
$
594,320

 
4.50
%
 
$
924,498

 
7.00
%
 
$
858,462

 
6.50
%
Total capital
(to risk-weighted assets):
 

 
 

 
 

 
 

 
 
 
 
 
 

 
 

Company
$
1,747,611

 
13.23
%
 
$
1,056,664

 
8.00
%
 
$
1,386,871

 
10.50
%
 
 N/A

 
 N/A

Bank
$
1,906,642

 
14.44
%
 
$
1,056,569

 
8.00
%
 
$
1,386,747

 
10.50
%
 
$
1,320,711

 
10.00
%
Tier I capital
(to risk-weighted assets):
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Company
$
1,652,831

 
12.51
%
 
$
792,498

 
6.00
%
 
$
1,122,705

 
8.50
%
 
 N/A

 
 N/A

Bank
$
1,811,862

 
13.72
%
 
$
792,427

 
6.00
%
 
$
924,498

 
8.50
%
 
$
1,056,569

 
8.00
%
Tier I capital
(to average assets):
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Company
$
1,652,831

 
11.22
%
 
$
589,367

 
4.00
%
 
N/A

 
N/A

 
 N/A

 
 N/A

Bank
$
1,811,862

 
12.29
%
 
$
589,604

 
4.00
%
 
N/A

 
N/A

 
$
737,005

 
5.00
%
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Actual
 
Required
For Capital
Adequacy Purposes
 
Minimum Capital Adequacy With Capital Conservation Buffer
 
Required To Be Well
Capitalized under
Prompt Corrective
Action Provisions
 
Amount
 
Ratio
 
Amount
 
Ratio
 
Amount
 
Ratio
 
Amount
 
Ratio
 
(Dollars in thousands)
December 31, 2018
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Common equity tier 1 capital
(to risk-weighted assets):
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Company
$
1,458,344

 
11.44
%
 
$
573,723

 
4.50
%
 
$
812,774

 
6.375
%
 
 N/A

 
N/A

Bank
$
1,737,092

 
13.63
%
 
$
573,699

 
4.50
%
 
$
812,740

 
6.375
%
 
$
828,677

 
6.50
%
Total capital
(to risk-weighted assets):
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Company
$
1,649,664

 
12.94
%
 
$
1,019,952

 
8.00
%
 
$
1,259,004

 
9.875
%
 
 N/A

 
N/A

Bank
$
1,830,385

 
14.36
%
 
$
1,019,910

 
8.00
%
 
$
1,258,951

 
9.875
%
 
$
1,274,887

 
10.00
%
Tier I capital
(to risk-weighted assets):
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Company
$
1,556,371

 
12.21
%
 
$
764,964

 
6.00
%
 
$
1,004,015

 
7.875
%
 
 N/A

 
N/A

Bank
$
1,737,092

 
13.63
%
 
$
764,932

 
6.00
%
 
$
812,740

 
7.875
%
 
$
1,019,910

 
8.00
%
Tier I capital
(to average assets):
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Company
$
1,556,371

 
10.55
%
 
$
590,176

 
4.00
%
 
N/A

 
N/A

 
N/A

 
N/A

Bank
$
1,737,092

 
11.76
%
 
$
590,639

 
4.00
%
 
N/A

 
N/A

 
$
738,299

 
5.00
%