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Note 21 - Regulatory Requirements and Restrictions - Company's and Bank's Capital Ratios (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Common equity Tier 1 ratio, actual amount |  | $ 236,544 | $ 251,052
Common equity Tier 1, actual ratio |  | 13.72% | 13.98%
Common equity Tier 1 ratio, required amount |  | $ 77,570 | $ 80,816
Common equity Tier 1, required ratio |  | 4.50% | 4.50%
Tier 1 risk-based capital ratio, actual amount |  | $ 236,544 | $ 251,052
Tier 1 risk-based capital, actual ratio |  | 13.72% | 13.98%
Tier 1 risk-based capital ratio, required amount |  | $ 103,427 | $ 107,754
Tier 1 risk-based capital, required ratio |  | 6.00% | 6.00%
Total risk-based capital ratio, actual amount |  | $ 254,877 | $ 270,394
Total risk-based capital, actual ratio |  | 14.79% | 15.06%
Total risk-based capital ratio, required amount |  | $ 137,902 | $ 143,672
Total risk-based capital, required ratio |  | 8.00% | 8.00%
Tier 1 Leverage ratio, actual amount |  | $ 236,544 | $ 251,052
Tier 1 Leverage, actual ratio |  | 10.95% | 11.06%
Tier 1 Leverage ratio, required amount |  | $ 86,439 | $ 90,822
Tier 1 Leverage, required ratio |  | 4.00% | 4.00%
First Community Bank [Member] |  |  |
Common equity Tier 1 ratio, actual amount |  | $ 215,424 | $ 222,856
Common equity Tier 1, actual ratio |  | 12.55% | 12.47%
Common equity Tier 1 ratio, required amount |  | $ 77,223 | $ 80,447
Common equity Tier 1, required ratio |  | 4.50% | 4.50%
Tier 1 risk-based capital ratio, actual amount |  | $ 215,424 | $ 222,856
Tier 1 risk-based capital, actual ratio |  | 12.55% | 12.47%
Tier 1 risk-based capital ratio, required amount |  | $ 102,964 | $ 107,262
Tier 1 risk-based capital, required ratio |  | 6.00% | 6.00%
Total risk-based capital ratio, actual amount |  | $ 233,757 | $ 242,218
Total risk-based capital, actual ratio |  | 13.62% | 13.55%
Total risk-based capital ratio, required amount |  | $ 137,285 | $ 143,016
Total risk-based capital, required ratio |  | 8.00% | 8.00%
Tier 1 Leverage ratio, actual amount |  | $ 215,424 | $ 222,856
Tier 1 Leverage, actual ratio |  | 9.98% | 9.84%
Tier 1 Leverage ratio, required amount |  | $ 86,376 | $ 90,604
Tier 1 Leverage, required ratio |  | 4.00% | 4.00%
Common equity Tier 1 to be well capitalized, amount | [1] | $ 111,544 | $ 116,201
Common equity Tier 1, to be well capitalized ratio | [1] | 6.50% | 6.50%
Tier 1 risk-based capital to be well capitalized, amount | [1] | $ 137,285 | $ 178,771
Tier 1 risk-based capital, to be well capitalized ratio | [1] | 8.00% | 8.00%
Total risk-based capital to be well capitalized, amount | [1] | $ 171,606 | $ 143,016
Total risk-based capital, to be well capitalized ratio | [1] | 10.00% | 10.00%
Tier 1 Leverage to be well capitalized, amount | [1] | $ 107,970 | $ 113,255
Tier 1 Leverage, to be well capitalized ratio | [1] | 5.00% | 5.00%
Fully Phased-In [Member] |  |  |
Common equity Tier 1 ratio, required amount |  | $ 120,664 | $ 125,713
Common equity Tier 1, required ratio |  | 7.00% | 7.00%
Tier 1 risk-based capital, actual ratio |  | 8.50% | 8.50%
Tier 1 risk-based capital ratio, required amount |  | $ 146,521 | $ 152,652
Total risk-based capital ratio, required amount |  | $ 180,997 | $ 188,570
Total risk-based capital, required ratio |  | 10.50% | 10.50%
Tier 1 Leverage ratio, required amount |  | $ 86,439 | $ 90,822
Tier 1 Leverage, required ratio |  | 4.00% | 4.00%
Fully Phased-In [Member] | First Community Bank [Member] |  |  |
Common equity Tier 1 ratio, required amount |  | $ 120,124 | $ 125,139
Common equity Tier 1, required ratio |  | 7.00% | 7.00%
Tier 1 risk-based capital, actual ratio |  | 8.50% | 8.50%
Tier 1 risk-based capital ratio, required amount |  | $ 145,865 | $ 151,955
Total risk-based capital ratio, required amount |  | $ 180,186 | $ 187,709
Total risk-based capital, required ratio |  | 10.50% | 10.50%
Tier 1 Leverage ratio, required amount |  | $ 86,376 | $ 90,604
Tier 1 Leverage, required ratio |  | 4.00% | 4.00%
[1] | Based on prompt corrective action provisions

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- Definition The Common Equity Tier 1 Risk Based Capital ratio (Common Equity Tier 1 Capital divided by risk-weighted assets) required to be categorized as "well capitalized" under the regulatory framework for prompt corrective action. + References No definition available. + Details
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- Definition The minimum Tier One Capital Ratio (Tier one 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 1B -URI http://asc.fasb.org/extlink&oid=84167132&loc=SL5958570-112826 Reference 2: 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 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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