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Business Combination - Schedule of Business Acquisitions (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Apr. 01, 2019 | Jul. 01, 2018
Business Acquisition [Line Items] |  |  |  |  |
Payments to Acquire Businesses, Gross | $ 0 | $ 28,630 | $ 30,684 |  |
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable |  | 98,275 |  |  |
Business Combination, Consideration Transferred |  | 126,905 |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents |  |  |  | $ 23,799 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Marketable Securities |  |  |  | 97,606 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables |  |  |  | 578,577 | $ 272,800
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment |  |  |  | 8,337 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  |  | 8,207 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets |  |  |  | 32,123 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets |  |  |  | 748,649 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities |  |  |  | 632,649 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities |  |  |  | 35,951 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities |  |  |  | 668,600 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net |  |  |  | 80,049 |
Goodwill, Acquired During Period | $ 0 | 46,856 | $ 40,405 |  |
Business Combination, Acquired Receivables, Gross Contractual Amount |  |  |  | 589,698 | $ 277,900
Business Combination, Acquired Receivable, Fair Value |  |  |  | 578,577 |
Commercial Financial Agricultural [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount |  |  |  | 80,895 |
Business Combination, Acquired Receivable, Fair Value |  |  |  | 80,580 |
Commercial Real Estate [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount |  |  |  | 281,425 |
Business Combination, Acquired Receivable, Fair Value |  |  |  | 273,855 |
Construction Real Estate Commercial [Domain] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount |  |  |  | 43,106 |
Business Combination, Acquired Receivable, Fair Value |  |  |  | 42,176 |
Construction Real Estate Mortgage [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount |  |  |  | 11,130 |
Business Combination, Acquired Receivable, Fair Value |  |  |  | 10,633 |
Residential Real Estate Commercial [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount |  |  |  | 48,546 |
Business Combination, Acquired Receivable, Fair Value |  |  |  | 48,684 |
Residential Real Estate Mortgage [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount |  |  |  | 30,519 |
Business Combination, Acquired Receivable, Fair Value |  |  |  | 30,969 |
Residential Real Estate Home Equity Line Of Credit [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount |  |  |  | 40,825 |
Business Combination, Acquired Receivable, Fair Value |  |  |  | 39,853 |
Consumer Loan [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount |  |  |  | 4,813 |
Business Combination, Acquired Receivable, Fair Value |  |  |  | 4,647 |
Purchased credit impaired [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount |  |  |  | 19,850 |
Business Combination, Acquired Receivable, Fair Value |  |  |  | 18,399 |
Leases |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount |  |  |  | 28,589 |
Business Combination, Acquired Receivable, Fair Value |  |  |  | $ 28,781 |
Carolina Alliance [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Goodwill, Acquired During Period |  | $ 46,856 |  |  |

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- Definition Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121647850&loc=d3e4845-128472 + Details
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