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Purchased Loans - Investment and Interest Income Recognized on Impaired Loans (Details) (Details) $ in Thousands | 3 Months Ended
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Mar. 31, 2019 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Average Recorded Investment | $ 10,166
Interest Income Recognized | 57
Purchased loans | Commercial, financial, agricultural |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Average Recorded Investment | 1,242
Interest Income Recognized | 3
Purchased loans | Real estate – construction: |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Average Recorded Investment | 320
Interest Income Recognized | 0
Purchased loans | Real estate – 1-4 family mortgage: |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Average Recorded Investment | 5,577
Interest Income Recognized | 42
Purchased loans | Real estate – commercial mortgage: |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Average Recorded Investment | 2,630
Interest Income Recognized | 12
Purchased loans | Installment loans to individuals |
Accounts, Notes, Loans and Financing Receivable [Line Items] |
Average Recorded Investment | 397
Interest Income Recognized | $ 0

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