XML 72 R56.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Regulatory Capital Requirements (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Regulatory Capital Requirements [Abstract] |
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations | As of December 31, 2018, 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 CET1 risk-based, Tier 1 risk-based, total risk-based and Tier 1 leverage ratios as set forth in the following table. 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, 2018 and 2017 are presented in the following table:
|  | Actual |  | Minimum Required For Capital Adequacy Purposes |  | Minimum Required Plus Capital Conservation Buffer Phase-In |  | Minimum Required Plus Capital Conservation Buffer Fully Phased-In |  | To Be Well Capitalized Under Prompt Corrective Action Provision
Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio
|  | (dollars in thousands)
December 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
CET1 Capital (to risk-weighted assets): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
The Company |  | $ | 1,253,394 |  |  | 12.7401 | % |  | $ | 442,717 |  |  | 4.50 | % |  | $ | 627,182 |  |  | 6.38 | % |  | $ | 688,670 |  |  | 7.00 | % |  | N/A |  |  | N/A |
Columbia Bank |  | $ | 1,274,317 |  |  | 12.9576 | % |  | $ | 442,552 |  |  | 4.50 | % |  | $ | 626,948 |  |  | 6.38 | % |  | $ | 688,414 |  |  | 7.00 | % |  | $ | 639,241 |  |  | 6.50 | %
Tier 1 Capital (to risk-weighted assets): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
The Company |  | $ | 1,253,394 |  |  | 12.7401 | % |  | $ | 590,289 |  |  | 6.00 | % |  | $ | 774,754 |  |  | 7.88 | % |  | $ | 836,243 |  |  | 8.50 | % |  | N/A |  |  | N/A |
Columbia Bank |  | $ | 1,274,317 |  |  | 12.9576 | % |  | $ | 590,069 |  |  | 6.00 | % |  | $ | 774,465 |  |  | 7.88 | % |  | $ | 835,931 |  |  | 8.50 | % |  | $ | 786,759 |  |  | 8.00 | %
Total Capital (to risk-weighted assets): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
The Company |  | $ | 1,376,555 |  |  | 13.9920 | % |  | $ | 787,052 |  |  | 8.00 | % |  | $ | 971,517 |  |  | 9.88 | % |  | $ | 1,033,006 |  |  | 10.50 | % |  | N/A |  |  | N/A |
Columbia Bank |  | $ | 1,362,016 |  |  | 13.8494 | % |  | $ | 786,759 |  |  | 8.00 | % |  | $ | 971,155 |  |  | 9.88 | % |  | $ | 1,032,621 |  |  | 10.50 | % |  | $ | 983,448 |  |  | 10.00 | %
Tier 1 Capital Leverage (to average assets): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
The Company |  | $ | 1,253,394 |  |  | 10.2444 | % |  | $ | 489,399 |  |  | 4.00 | % |  | $ | 489,399 |  |  | 4.00 | % |  | $ | 489,399 |  |  | 4.00 | % |  | N/A |  |  | N/A |
Columbia Bank |  | $ | 1,274,317 |  |  | 10.4185 | % |  | $ | 489,254 |  |  | 4.00 | % |  | $ | 489,254 |  |  | 4.00 | % |  | $ | 489,254 |  |  | 4.00 | % |  | $ | 611,567 |  |  | 5.00 | %
December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
CET1 Capital (to risk-weighted assets): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
The Company |  | $ | 1,158,252 |  |  | 11.7421 | % |  | $ | 443,886 |  |  | 4.50 | % |  | $ | 567,187 |  |  | 5.75 | % |  | $ | 690,489 |  |  | 7.00 | % |  | N/A |  |  | N/A |
Columbia Bank |  | $ | 1,184,476 |  |  | 12.0133 | % |  | $ | 443,687 |  |  | 4.50 | % |  | $ | 566,933 |  |  | 5.75 | % |  | $ | 690,180 |  |  | 7.00 | % |  | $ | 640,881 |  |  | 6.50 | %
Tier 1 Capital (to risk-weighted assets): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
The Company |  | $ | 1,165,903 |  |  | 11.8196 | % |  | $ | 591,848 |  |  | 6.00 | % |  | $ | 715,149 |  |  | 7.25 | % |  | $ | 838,451 |  |  | 8.50 | % |  | N/A |  |  | N/A |
Columbia Bank |  | $ | 1,184,476 |  |  | 12.0133 | % |  | $ | 591,582 |  |  | 6.00 | % |  | $ | 714,829 |  |  | 7.25 | % |  | $ | 838,075 |  |  | 8.50 | % |  | $ | 788,777 |  |  | 8.00 | %
Total Capital (to risk-weighted assets): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
The Company |  | $ | 1,280,326 |  |  | 12.9796 | % |  | $ | 789,130 |  |  | 8.00 | % |  | $ | 912,432 |  |  | 9.25 | % |  | $ | 1,035,734 |  |  | 10.50 | % |  | N/A |  |  | N/A |
Columbia Bank |  | $ | 1,263,252 |  |  | 12.8123 | % |  | $ | 788,777 |  |  | 8.00 | % |  | $ | 912,023 |  |  | 9.25 | % |  | $ | 1,035,269 |  |  | 10.50 | % |  | $ | 985,971 |  |  | 10.00 | %
Tier 1 Capital Leverage (to average assets): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
The Company |  | $ | 1,165,903 |  |  | 10.9611 | % |  | $ | 425,469 |  |  | 4.00 | % |  | $ | 425,469 |  |  | 4.00 | % |  | $ | 425,469 |  |  | 4.00 | % |  | N/A |  |  | N/A |
Columbia Bank |  | $ | 1,184,476 |  |  | 10.8186 | % |  | $ | 437,939 |  |  | 4.00 | % |  | $ | 437,939 |  |  | 4.00 | % |  | $ | 437,939 |  |  | 4.00 | % |  | $ | 547,423 |  |  | 5.00 | %

X
- References No definition available. + Details
Name: | us-gaap_RegulatoryCapitalRequirementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1G -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958577-112826 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=84167132&loc=d3e65071-112826 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958568-112826 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958570-112826 + Details
Name: | us-gaap_ScheduleOfComplianceWithRegulatoryCapitalRequirementsUnderBankingRegulationsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration