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Regulatory Capital (Tables)
 3 Months Ended
Mar. 31, 2022
Banking and Thrift, Interest [Abstract]  
Summary of Regulatory Capital Requirement Horizon and the Bank’s actual and required capital ratios as of March 31, 2022 and December 31, 2021 were as follows:
Actual
Required for Capital
Adequacy Purposes(1)
Required For Capital
Adequacy Purposes
with Capital Buffer(1)
Well Capitalized 
Under Prompt Corrective Action
Provisions(1)
AmountRatioAmountRatioAmountRatioAmountRatio
March 31, 2022
Total capital (to risk–weighted assets)(1)
Consolidated$733,695 15.21 %$382,005 8.00 %$501,382 10.50 %N/AN/A
Bank679,970 14.25 %381,711 8.00 %500,996 10.50 %$477,139 10.00 %
Tier 1 capital (to risk–weighted assets)(1)
Consolidated679,232 14.08 %286,504 6.00 %405,880 8.50 %N/AN/A
Bank631,371 13.23 %286,284 6.00 %405,568 8.50 %381,711 8.00 %
Common equity tier 1 capital (to risk–weighted assets)(1)
Consolidated541,696 11.64 %214,878 4.50 %324,254 7.00 %N/AN/A
Bank631,371 13.23 %214,713 4.50 %333,998 7.00 %310,141 6.50 %
Tier 1 capital (to average assets)(1)
Consolidated679,232 9.70 %284,361 4.00 %284,361 4.00 %N/AN/A
Bank631,371 8.83 %286,014 4.00 %286,014 4.00 %357,517 5.00 %
December 31, 2021
Total capital (to risk–weighted assets)(1)
Consolidated$708,198 15.71 %$360,737 8.00 %$473,468 10.50 %N/AN/A
Bank664,061 14.72 %361,015 8.00 %473,832 10.50 %$451,269 10.00 %
Tier 1 capital (to risk–weighted assets)(1)
Consolidated661,729 14.68 %270,553 6.00 %383,284 8.50 %N/AN/A
Bank617,592 13.69 %270,761 6.00 %383,578 8.50 %361,015 8.00 %
Common equity tier 1 capital (to risk–weighted assets)(1)
Consolidated541,920 12.02 %202,915 4.50 %315,645 7.00 %N/AN/A
Bank617,592 13.69 %203,071 4.50 %315,888 7.00 %293,325 6.50 %
Tier 1 capital (to average assets)(1)
Consolidated661,729 9.05 %292,335 4.00 %292,335 4.00 %N/AN/A
Bank617,592 8.50 %290,646 4.00 %290,646 4.00 %363,307 5.00 %
(1) As defined by regulatory agencies