Purchased Loans - Average Recorded Investment and Interest Income on Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2019
Financing Receivable, Allowance for Credit Loss [Line Items]
Average Recorded Investment	$ 9,133	$ 9,128
Interest Income Recognized	50	98
Purchased with deteriorated credit quality
Financing Receivable, Allowance for Credit Loss [Line Items]
Average Recorded Investment	193,002	196,333
Interest Income Recognized	2,728	5,699
Commercial, financial, agricultural \| Purchased loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Average Recorded Investment	1,010	941
Interest Income Recognized	2	4
Commercial, financial, agricultural \| Purchased loans \| Purchased with deteriorated credit quality
Financing Receivable, Allowance for Credit Loss [Line Items]
Average Recorded Investment	23,976	25,667
Interest Income Recognized	388	863
Real estate – construction: \| Purchased loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Average Recorded Investment	256	256
Interest Income Recognized	0	3
Real estate – construction: \| Purchased loans \| Purchased with deteriorated credit quality
Financing Receivable, Allowance for Credit Loss [Line Items]
Average Recorded Investment	0	0
Interest Income Recognized	0	0
Real estate – 1-4 family mortgage: \| Purchased loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Average Recorded Investment	5,415	5,450
Interest Income Recognized	36	66
Real estate – 1-4 family mortgage: \| Purchased loans \| Purchased with deteriorated credit quality
Financing Receivable, Allowance for Credit Loss [Line Items]
Average Recorded Investment	43,011	43,360
Interest Income Recognized	571	1,161
Real estate – commercial mortgage: \| Purchased loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Average Recorded Investment	2,082	2,109
Interest Income Recognized	12	25
Real estate – commercial mortgage: \| Purchased loans \| Purchased with deteriorated credit quality
Financing Receivable, Allowance for Credit Loss [Line Items]
Average Recorded Investment	122,455	123,526
Interest Income Recognized	1,674	3,474
Installment loans to individuals \| Purchased loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Average Recorded Investment	370	372
Interest Income Recognized	0	0
Installment loans to individuals \| Purchased loans \| Purchased with deteriorated credit quality
Financing Receivable, Allowance for Credit Loss [Line Items]
Average Recorded Investment	3,560	3,780
Interest Income Recognized	$ 95	$ 201

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- Definition

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5212-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5258-111524

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Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

+ References

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