Purchased Loans - Average Recorded Investment and Interest Income on Impaired Loans (Details) $ in Thousands	3 Months Ended
Mar. 31, 2019 USD ($)
Financing Receivable, Allowance for Credit Loss [Line Items]
Average Recorded Investment	$ 10,166
Interest Income Recognized	57
Purchased loans \| Purchased with deteriorated credit quality
Financing Receivable, Allowance for Credit Loss [Line Items]
Average Recorded Investment	213,145
Interest Income Recognized	2,901
Commercial, financial, agricultural \| Purchased loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Average Recorded Investment	1,242
Interest Income Recognized	3
Commercial, financial, agricultural \| Purchased loans \| Purchased with deteriorated credit quality
Financing Receivable, Allowance for Credit Loss [Line Items]
Average Recorded Investment	27,403
Interest Income Recognized	427
Real estate – construction: \| Purchased loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Average Recorded Investment	320
Interest Income Recognized	0
Real estate – construction: \| Purchased loans \| Purchased with deteriorated credit quality
Financing Receivable, Allowance for Credit Loss [Line Items]
Average Recorded Investment	0
Interest Income Recognized	0
Real estate – 1-4 family mortgage: \| Purchased loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Average Recorded Investment	5,577
Interest Income Recognized	42
Real estate – 1-4 family mortgage: \| Purchased loans \| Purchased with deteriorated credit quality
Financing Receivable, Allowance for Credit Loss [Line Items]
Average Recorded Investment	44,177
Interest Income Recognized	572
Real estate – commercial mortgage: \| Purchased loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Average Recorded Investment	2,630
Interest Income Recognized	12
Real estate – commercial mortgage: \| Purchased loans \| Purchased with deteriorated credit quality
Financing Receivable, Allowance for Credit Loss [Line Items]
Average Recorded Investment	137,421
Interest Income Recognized	1,796
Installment loans to individuals \| Purchased loans
Financing Receivable, Allowance for Credit Loss [Line Items]
Average Recorded Investment	397
Interest Income Recognized	0
Installment loans to individuals \| Purchased loans \| Purchased with deteriorated credit quality
Financing Receivable, Allowance for Credit Loss [Line Items]
Average Recorded Investment	4,144
Interest Income Recognized	$ 106

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No definition available.

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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=118936363&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=118936363&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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