v3.8.0.1

Income Taxes - Additional Information (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Income Tax Contingency [Line Items] |  |  |  |
Tax cuts and jobs act of 2017 income tax expense (benefit) |  | $ 5,400 |  |
Federal statutory income tax rate |  | 35.00% | 35.00% | 35.00%
Operating Loss Carryforwards |  | $ 8,200,000 |  |
Desert Commercial Bank |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Operating Loss Carryforwards |  | $ 13,400,000 |  |
Operating Loss Carryforwards Utilization Period |  | 20 years |  |
Operating Loss Carryforwards, Expiration Date, Year |  | 2032 |  |
Operating Loss Carryforwards, Limitations on Use |  | operating loss carryforwards are subject to limitation under Section 382 of the Internal Revenue Service Code and expire in 2032 |  |
Pacific Rim Bank |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Operating Loss Carryforwards |  | $ 3,900,000 |  |
Operating Loss Carryforwards, Expiration Date, Year |  | 2035 |  |
Community 1st Bancorp |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Operating Loss Carryforwards |  | $ 2,400,000 |  |
Operating Loss Carryforwards, Expiration Date, Year |  | 2037 |  |
Desert Commercial Bank, Pacific Rim Bank and Community First Bancorp |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Operating Loss Carryforwards |  | $ 11,200,000 |  |
Scenario Forecast |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |
Federal statutory income tax rate | 21.00% |  |  |

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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32698-109319 + Details
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