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REGULATORY MATTERS - Comparison of the Company's and Bank's Actual Capital Amounts and Ratios to Required Capital Amounts and Ratios (Details) - USD ($) | Sep. 30, 2018 | Dec. 31, 2017 | Jul. 31, 2017
--- | --- | --- | ---
Total capital to risk-weighted assets: |  |  |
Actual, Amount | $ 240,775,000 | $ 215,720,000 |
Actual, Ratio | 13.23% | 14.13% |
Minimum Required for Capital Adequacy Purposes, Amount | $ 145,631,000 | $ 122,111,000 |
Minimum Required for Capital Adequacy Purposes, Ratio | 8.00% | 8.00% |
Tier 1 capital to risk-weighted assets: |  |  |
Actual, Amount | $ 226,334,000 | $ 202,861,000 |
Actual, Ratio | 12.43% | 13.29% |
Minimum Required for Capital Adequacy Purposes, Amount | $ 109,223,000 | $ 91,583,000 |
Minimum Required for Capital Adequacy Purposes, Ratio | 6.00% | 6.00% |
Tier 1 capital to average assets: |  |  |
Actual, Amount | $ 226,334,000 | $ 202,861,000 |
Actual, Ratio | 10.29% | 10.53% |
Minimum Required for Capital Adequacy Purposes, Amount | $ 87,943,000 | $ 77,048,000 |
Minimum Required for Capital Adequacy Purposes, Ratio | 4.00% | 4.00% |
Common equity tier 1 capital to risk-weighted assets: |  |  |
Actual, Amount | $ 216,024,000 | $ 192,551,000 |
Actual, Ratio | 11.87% | 12.61% |
Minimum Required for Capital Adequacy Purposes, Amount | $ 81,917,000 | $ 68,687,000 |
Minimum Required for Capital Adequacy Purposes, Ratio | 4.50% | 4.50% |
Bank |  |  |
Total capital to risk-weighted assets: |  |  |
Actual, Amount | $ 240,590,000 | $ 206,490,000 |
Actual, Ratio | 13.22% | 13.53% |
Minimum Required for Capital Adequacy Purposes, Amount | $ 145,610,000 | $ 122,122,000 |
Minimum Required for Capital Adequacy Purposes, Ratio | 8.00% | 8.00% |
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount | $ 182,013,000 | $ 152,652,000 |
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio | 10.00% | 10.00% |
Tier 1 capital to risk-weighted assets: |  |  |
Actual, Amount | $ 226,149,000 | $ 193,631,000 |
Actual, Ratio | 12.42% | 12.68% |
Minimum Required for Capital Adequacy Purposes, Amount | $ 109,208,000 | $ 91,591,000 |
Minimum Required for Capital Adequacy Purposes, Ratio | 6.00% | 6.00% |
To Be Well Capitalized Under Prompt Correct Action Provisions, Amount | $ 145,610,000 | $ 122,122,000 |
To Be Well Capitalized Under Prompt Correct Action Provisions, Ratio | 8.00% | 8.00% |
Tier 1 capital to average assets: |  |  |
Actual, Amount | $ 226,149,000 | $ 193,631,000 |
Actual, Ratio | 10.29% | 10.05% |
Minimum Required for Capital Adequacy Purposes, Amount | $ 87,934,000 | $ 77,054,000 |
Minimum Required for Capital Adequacy Purposes, Ratio | 4.00% | 4.00% |
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount | $ 109,918,000 | $ 96,318,000 |
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio | 5.00% | 5.00% |
Common equity tier 1 capital to risk-weighted assets: |  |  |
Actual, Amount | $ 226,149,000 | $ 193,631,000 |
Actual, Ratio | 12.42% | 12.68% |
Minimum Required for Capital Adequacy Purposes, Amount | $ 81,906,000 | $ 68,694,000 |
Minimum Required for Capital Adequacy Purposes, Ratio | 4.50% | 4.50% |
To Be Well Capitalized Under Prompt Corrective Action Provisions, Amount | $ 118,308,000 | $ 99,224,000 |
To Be Well Capitalized Under Prompt Corrective Action Provisions, Ratio | 6.50% | 6.50% |
Federal Home Loan Bank advances | Other Subordinated Debentures, 2.50% |  |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |  |
Stated interest rate | 25.00% |  | 2.50%
Federal Home Loan Bank advances | Subordinated Debentures II, Subordinated Debentures III, and DCB Debentures I |  |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |  |
Debenture issued | $ 10,310,000 | $ 10,310,000 |

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