v3.8.0.1

Regulatory Matters (Tables) | 12 Months Ended
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Dec. 31, 2017
Regulatory Capital Requirements [Abstract] |
Schedule of Regulatory Standards for Well Capitalized Institutions and Capital Ratios | The following table presents the regulatory standards for well-capitalized institutions and the capital ratios for FFI and the Bank as of:
|  | Actual |  |  | For Capital Adequacy Purposes |  |  | To Be Well-Capitalized Under Prompt Corrective Action Provisions |
(dollars in thousands) |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |  |  | Amount |  |  | Ratio |
FFI |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
CET1 capital ratio |  | $ | 366,236 |  |  |  | 11.99 | % |  | $ | 137,435 |  |  |  | 4.50 | % |  |  |  |  |  |  |  |
Tier 1 leverage ratio |  |  | 366,236 |  |  |  | 8.44 | % |  |  | 173,514 |  |  |  | 4.00 | % |  |  |  |  |  |  |  |
Tier 1 risk-based capital ratio |  |  | 366,236 |  |  |  | 11.99 | % |  |  | 183,246 |  |  |  | 6.00 | % |  |  |  |  |  |  |  |
Total risk-based capital ratio |  |  | 385,236 |  |  |  | 12.61 | % |  |  | 244,328 |  |  |  | 8.00 | % |  |  |  |  |  |  |  |
December 31, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
CET1 capital ratio |  | $ | 285,754 |  |  |  | 12.80 | % |  | $ | 100,432 |  |  |  | 4.50 | % |  |  |  |  |  |  |  |
Tier 1 leverage ratio |  |  | 285,754 |  |  |  | 8.76 | % |  |  | 130,525 |  |  |  | 4.00 | % |  |  |  |  |  |  |  |
Tier 1 risk-based capital ratio |  |  | 285,754 |  |  |  | 12.80 | % |  |  | 133,910 |  |  |  | 6.00 | % |  |  |  |  |  |  |  |
Total risk-based capital ratio |  |  | 301,664 |  |  |  | 13.52 | % |  |  | 178,547 |  |  |  | 8.00 | % |  |  |  |  |  |  |  |
BANK |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
CET1 capital ratio |  | $ | 398,709 |  |  |  | 13.07 | % |  | $ | 137,290 |  |  |  | 4.50 | % |  | $ | 198,308 |  |  |  | 6.50 | %
Tier 1 leverage ratio |  |  | 398,709 |  |  |  | 9.20 | % |  |  | 173,363 |  |  |  | 4.00 | % |  |  | 216,703 |  |  |  | 5.00 | %
Tier 1 risk-based capital ratio |  |  | 398,709 |  |  |  | 13.07 | % |  |  | 183,053 |  |  |  | 6.00 | % |  |  | 244,071 |  |  |  | 8.00 | %
Total risk-based capital ratio |  |  | 417,709 |  |  |  | 13.69 | % |  |  | 244,071 |  |  |  | 8.00 | % |  |  | 305,089 |  |  |  | 10.00 | %
December 31, 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
CET1 capital ratio |  | $ | 272,221 |  |  |  | 12.23 | % |  | $ | 100,166 |  |  |  | 4.50 | % |  | $ | 144,685 |  |  |  | 6.50 | %
Tier 1 leverage ratio |  |  | 272,221 |  |  |  | 8.36 | % |  |  | 130,305 |  |  |  | 4.00 | % |  |  | 162,881 |  |  |  | 5.00 | %
Tier 1 risk-based capital ratio |  |  | 272,221 |  |  |  | 12.23 | % |  |  | 133,555 |  |  |  | 6.00 | % |  |  | 178,074 |  |  |  | 8.00 | %
Total risk-based capital ratio |  |  | 288,131 |  |  |  | 12.94 | % |  |  | 178,074 |  |  |  | 8.00 | % |  |  | 222,592 |  |  |  | 10.00 | %
Schedule of Minimum Capital Ratios Plus the Applicable Increment of the Capital Conservation | The following table sets forth the minimum capital ratios plus the applicable increment of the capital conservation buffer as of the current year and when it is fully implemented in 2019:
|  | 2017 |  | 2019
CET-1 to risk-weighted assets |  | 5.750 | % |  | 7.000 | %
Tier 1 capital (i.e., CET-1 plus Additional Tier 1) to risk-weighted assets |  | 7.250 | % |  | 8.500 | %
Total capital (i.e., Tier 1 plus Tier 2) to risk-weighted assets |  | 9.250 | % |  | 10.500 | %

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- Definition Tabular disclosure of the capital amounts and ratios as of the balance sheet date, indicating whether the entity or entities are in compliance with regulatory capital requirements, by entity. + References Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef -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://www.xbrl.org/2003/role/presentationRef -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 Reference 4: 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 + Details
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