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Purchased Loans - Investment and Interest Income Recognized on Impaired Loans (Details) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average Recorded Investment | $ 9,133 | $ 9,128
Interest Income Recognized | 50 | 98
Purchased loans | Commercial, financial, agricultural |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average Recorded Investment | 1,010 | 941
Interest Income Recognized | 2 | 4
Purchased loans | Real estate – construction: |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average Recorded Investment | 256 | 256
Interest Income Recognized | 0 | 3
Purchased loans | Real estate – 1-4 family mortgage: |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average Recorded Investment | 5,415 | 5,450
Interest Income Recognized | 36 | 66
Purchased loans | Real estate – commercial mortgage: |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average Recorded Investment | 2,082 | 2,109
Interest Income Recognized | 12 | 25
Purchased loans | Installment loans to individuals |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Average Recorded Investment | 370 | 372
Interest Income Recognized | $ 0 | $ 0

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