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Business Combinations - Additional Information (Detail) (USD $)
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12 Months Ended |
0 Months Ended |
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Dec. 31, 2014
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Aug. 29, 2014
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Dec. 15, 2014
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| Business Acquisition [Line Items] |
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| Goodwill |
$ 28,834,000 |
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$ 5,719,000 |
| Discount on purchased factored receivables |
174,000 |
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| Direct stock issuance cost charged against additional paid in capital |
28,000 |
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| Minimum [Member] |
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| Business Acquisition [Line Items] |
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| Average life for CBI's receivables |
35 days |
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| Maximum [Member] |
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| Business Acquisition [Line Items] |
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| Average life for CBI's receivables |
40 days |
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| CBI [Member] |
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| Business Acquisition [Line Items] |
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| Acquisition date |
Aug. 29, 2014 |
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| Acquired percentage |
70.00% |
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| Consideration paid in cash |
16,181,000 |
16,181,000 |
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| Goodwill |
23,115,000 |
23,115,000 |
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| CBI [Member] | Option To Purchase [Member] |
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| Business Acquisition [Line Items] |
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| Acquired percentage |
30.00% |
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| CBI [Member] | Option To Purchase [Member] | Minimum [Member] |
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| Business Acquisition [Line Items] |
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| Acquisition date |
Aug. 29, 2019 |
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| CBI [Member] | Option To Purchase [Member] | Maximum [Member] |
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| Business Acquisition [Line Items] |
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| Acquisition date |
Aug. 29, 2022 |
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| United Group Banking Company of Florida [Member] |
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| Business Acquisition [Line Items] |
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| Acquisition date |
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Dec. 15, 2014 |
| Consideration paid in cash |
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|
2,950,000 |
| Goodwill |
5,719,000 |
|
5,719,000 |
| Business acquisition, fraction of shares issuable to United's common shareholders |
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|
0.057794 |
| Business acquisition exchange price per share |
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$ 1.30 |
| Consideration paid in shares, value |
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2,954,000 |
| Consideration paid in shares |
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1,617,027 |
| Estimate value of the consideration |
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33,309,000 |
| Direct stock issuance cost charged against additional paid in capital |
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272,000 |
| Acquisition expense charged to other noninterest expense |
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$ 368,000 |
| Fair value determinant description |
One year after the closing date of the acquisition |
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| Prior Acquisition [Member] |
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| Business Acquisition [Line Items] |
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| Number of acquisitions prior to fiscal year |
0 |
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