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Regulatory Matters (Notes) | 12 Months Ended
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Dec. 31, 2018
Banking and Thrift [Abstract] |
Regulatory Matters | REGULATORY MATTERS The Company and the Bank are subject to various regulatory capital requirements administered by the federal and state banking agencies. Failure to meet minimum capital requirements can initiate certain mandatory and possibly additional discretionary actions by regulators that, if undertaken, could have a material and adverse effect on the Company’s and the Bank’s business, financial condition and results of operations, such as restrictions on growth or the payment of dividends or other capital distributions or management fees. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, the Company and the Bank must meet specific capital guidelines that involve quantitative measures of their assets, liabilities and certain off-balance-sheet items as calculated under regulatory accounting practices. The capital amounts and classification are also subject to qualitative judgments by the regulators about components, risk-weightings and other factors. In July 2013, the federal bank regulatory agencies adopted final regulations, which revised their risk-based and leverage capital requirements for banking organizations to meet requirements of Dodd-Frank and to implement Basel III international agreements reached by the Basel Committee. The final rules began for the Company and the Bank on January 1, 2015 and are subject to a phase-in period through January 1, 2019. The final rules that had an impact on the Company and the Bank include:
• | An increase in the minimum Tier 1 capital ratio from 4.00% to 6.00% of risk-weighted assets;
• | A new category and a required 4.50% of risk-weighted assets ratio is established for “Common Equity Tier 1” as a subset of Tier 1 capital limited to common equity;
• | A minimum non-risk-based leverage ratio is set at 4.00%, eliminating a 3.00% exception for higher rated banks;
• | Changes in the permitted composition of Tier 1 capital to exclude trust preferred securities, mortgage servicing rights and certain deferred tax assets and include unrealized gains and losses on available for sale debt and equity securities;
• | The risk-weights of certain assets for purposes of calculating the risk-based capital ratios are changed for high volatility commercial real estate acquisition, development and construction loans, certain past due non-residential mortgage loans and certain mortgage-backed and other securities exposures; and
• | A new additional capital conservation buffer of 2.5% of risk-weighted assets over each of the required capital ratios is being phased in from 2016 to 2019 and must be met to avoid limitations on the ability of the B ank to pay dividends, repurchase shares, or pay discretionary bonuses. The capital conservation buffer for the Company was initially 0.625% in 2016 and increases 0.625% annually until 2019. As of December 31, 2018, the capital conservation buffer for the Company stood at 1.875%.
As of December 31, 2018, the ratios for the Company and the Bank are sufficient to meet the fully phased-in conservation buffer. As of December 31, 2018 and 2017, the most recent regulatory notification categorized the Bank as “well-capitalized” under the regulatory framework for prompt corrective action. To generally be categorized as “well-capitalized”, the Bank must maintain minimum total risk-based, Tier I risk-based, common equity Tier 1, and Tier I leverage ratios as set forth in the following table. There are no conditions or events since the most recent notification from regulators that management believes has changed the institution’s category. The Company’s and the Bank’s actual capital amounts and ratios are presented in the table 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, 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 | %
| 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, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common equity tier 1 capital (to risk-weighted assets): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company | $ | 1,471,193 |  |  | 12.30 | % |  | $ | 538,435 |  |  | 4.50 | % |  | $ | 688,000 |  |  | 5.75 | % |  | N/A |  |  | N/A |
Bank | $ | 1,548,401 |  |  | 12.95 | % |  | $ | 538,178 |  |  | 4.50 | % |  | $ | 687,672 |  |  | 5.75 | % |  | $ | 777,368 |  |  | 6.50 | %
Total capital (to risk-weighted assets): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company | $ | 1,653,521 |  |  | 13.82 | % |  | $ | 957,217 |  |  | 8.00 | % |  | $ | 1,106,782 |  |  | 9.25 | % |  | N/A |  |  | N/A |
Bank | $ | 1,633,778 |  |  | 13.66 | % |  | $ | 956,761 |  |  | 8.00 | % |  | $ | 1,106,255 |  |  | 9.25 | % |  | $ | 1,195,951 |  |  | 10.00 | %
Tier I capital (to risk-weighted assets): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company | $ | 1,568,144 |  |  | 13.11 | % |  | $ | 717,913 |  |  | 6.00 | % |  | $ | 867,478 |  |  | 7.25 | % |  | N/A |  |  | N/A |
Bank | $ | 1,548,401 |  |  | 12.95 | % |  | $ | 717,571 |  |  | 6.00 | % |  | $ | 687,672 |  |  | 7.25 | % |  | $ | 956,761 |  |  | 8.00 | %
Tier I capital (to average assets): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company | $ | 1,568,144 |  |  | 11.54 | % |  | $ | 543,528 |  |  | 4.00 | % |  | N/A |  |  | N/A |  |  | N/A |  |  | N/A |
Bank | $ | 1,548,401 |  |  | 11.40 | % |  | $ | 543,441 |  |  | 4.00 | % |  | N/A |  |  | N/A |  |  | $ | 679,301 |  |  | 5.00 | %

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- Definition The entire disclosure for banks, savings institutions, and credit unions, for regulatory capital requirements imposed by the Federal Reserve System (FRB), the Federal Deposit Insurance Corporation (FDIC), the Office of Thrift Supervision (OTS) or for any state imposed capital requirements, as applicable. The disclosure may include (1) a description of regulatory capital requirements (a) for capital adequacy purposes and (b) established by the prompt corrective action provisions of Section 38 of the Federal Depository Insurance Act; (2) the actual or possible material effects of noncompliance with such requirements; (3) whether the entity is in compliance with the regulatory capital requirements including (a) required and actual ratios and amounts of Tier 1 leverage, Tier 1 risk-based, and total risk-based capital, tangible capital (for savings institutions), and Tier 3 capital for market risk (for certain banks and bank holding companies), (b) factors that may significantly affect capital adequacy; (4) the prompt corrective action category in which the entity was classified as of its most recent notification; (5) whether management believes any conditions or events since notification have changed the entity's category. Also may include additional information that might be disclosed in situations where substantial doubt about the entity's ability to continue as a going concern for a reasonable period of time. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1C -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958572-112826 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1E -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958574-112826 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1H -URI http://asc.fasb.org/extlink&oid=84167132&loc=d3e65071-112826 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958569-112826 Reference 6: http://www.xbrl.org/2003/role/presentationRef -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 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1F -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958575-112826 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958568-112826 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1D -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958573-112826 + Details
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