Non Purchased Loans - Impact of Modifications Classified as Restructured Loans (Details) - Non purchased loans and leases $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018 USD ($) loan	Jun. 30, 2017 USD ($) loan	Jun. 30, 2018 USD ($) loan	Jun. 30, 2017 USD ($) loan
Restructured loans
Number of Loans \| loan	1	5	5	8
Pre- Modification Outstanding Recorded Investment	$ 49	$ 497	$ 708	$ 761
Post- Modification Outstanding Recorded Investment	$ 49	$ 192	$ 703	$ 448
Real estate – 1-4 family mortgage
Restructured loans
Number of Loans \| loan	1	3	4	5
Pre- Modification Outstanding Recorded Investment	$ 49	$ 127	$ 625	$ 304
Post- Modification Outstanding Recorded Investment	$ 49	$ 126	$ 625	$ 297
Real estate – commercial mortgage
Restructured loans
Number of Loans \| loan		1	1	2
Pre- Modification Outstanding Recorded Investment		$ 366	$ 83	$ 453
Post- Modification Outstanding Recorded Investment		$ 62	$ 78	$ 147
Installment loans to individuals
Restructured loans
Number of Loans \| loan		1		1
Pre- Modification Outstanding Recorded Investment		$ 4		$ 4
Post- Modification Outstanding Recorded Investment		$ 4		$ 4

Troubled Debt Restructuring Financing Receivable Modifications [Abstract]

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524

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Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

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