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REGULATORY CAPITAL REQUIREMENTS (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018 | Oct. 08, 2015
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Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |  |
Subordinated debentures | $ 59,005 | $ 59,067 | $ 15,000
Capital | $ 448,712 | $ 434,331 |
Capital to Risk Weighted Assets | 13.97% | 14.36% |
Capital Required for Capital Adequacy to Risk Weighted Assets | 10.50% | 9.875% |
Tier One Risk Based Capital | $ 408,014 | $ 394,597 |
Tier One Risk Based Capital to Risk Weighted Assets | 12.70% | 13.04% |
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets | 8.50% | 7.875% |
Common equity tier I capital | $ 365,014 | $ 351,597 |
Common Equity Tier I Risk Based Capital Ratio | 11.36% | 11.62% |
Common Equity Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets | 7.00% | 6.375% |
Tier One Leverage Capital | $ 408,014 | $ 394,597 |
Excess Tier One Leverage Capital to Average Assets | 9.39% | 9.53% |
Tier One Leverage Capital Required for Capital Adequacy to Average Assets | 4.00% | 4.00% |
Subsidiaries |  |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |  |
Capital | $ 415,786 | $ 398,773 |
Capital to Risk Weighted Assets | 12.96% | 13.18% |
Capital Required for Capital Adequacy to Risk Weighted Assets | 10.50% | 9.875% |
Tier One Risk Based Capital | $ 390,088 | $ 374,039 |
Capital Required to be Well Capitalized to Risk Weighted Assets | 10.00% | 10.00% |
Tier One Risk Based Capital to Risk Weighted Assets | 12.16% | 12.36% |
Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets | 8.50% | 7.875% |
Common equity tier I capital | $ 390,088 | $ 374,039 |
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets | 8.00% | 8.00% |
Common Equity Tier I Risk Based Capital Ratio | 12.16% | 12.36% |
Common Equity Tier One Risk Based Capital Required for Capital Adequacy to Risk Weighted Assets | 7.00% | 6.375% |
Tier One Leverage Capital | $ 390,088 | $ 374,039 |
Common Equity Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets | 6.50% | 6.50% |
Excess Tier One Leverage Capital to Average Assets | 9.01% | 9.06% |
Tier One Leverage Capital Required for Capital Adequacy to Average Assets | 4.00% | 4.00% |
Tier One Leverage Capital Required to be Well Capitalized to Average Assets | 5.00% | 5.00% |

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- Definition The amount of total capital as defined in the regulations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6490092&loc=d3e47304-110998 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)(1) -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 948 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6490092&loc=d3e47080-110998 Reference 4: 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 + Details
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- Definition The minimum Total risk based capital ratio (total capital divided by risk weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action. + References Reference 1: 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 2: 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 Reference 3: 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 + Details
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