Non Purchased Loans - Impact of Modifications Classified as Restructured Loans (Details) - Non purchased loans and leases $ in Thousands	3 Months Ended
Mar. 31, 2019 loan	Mar. 31, 2018 USD ($) loan
Restructured loans
Number of Loans \| loan	0	4
Pre- Modification Outstanding Recorded Investment		$ 659
Post- Modification Outstanding Recorded Investment		$ 654
Real estate – 1-4 family mortgage
Restructured loans
Number of Loans \| loan		3
Pre- Modification Outstanding Recorded Investment		$ 576
Post- Modification Outstanding Recorded Investment		$ 576
Real estate – commercial mortgage
Restructured loans
Number of Loans \| loan		1
Pre- Modification Outstanding Recorded Investment		$ 83
Post- Modification Outstanding Recorded Investment		$ 78

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://fasb.org/us-gaap/role/ref/legacyRef
-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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Pre-modification amount of investment in financing receivables modified by troubled debt restructurings.

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