Post-modification balance of TDRs Listed by type of Modification(Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Loans, Allowance for Loan Losses and Credit Quality [Abstract]
Extended maturity	$ 5,881	$ 5,044	$ 2,936
Adjusted interest rate	0	92
Combination rate and maturity	568	1,035	2,199
Court ordered concession	1,726	1,534	977
Total	$ 8,175	$ 7,705	$ 6,112

Post-modification balance of troubled debt restructurings by adjusted interest rate.

No definition available.

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Financing receivable modifications post modification recorded investment combination of rate and maturity.

No definition available.

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Financing Receivable Modifications Post Modification Recorded Investment Court Ordered Concession

No definition available.

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Post-modification balance of troubled debt restructurings by extended maturity.

No definition available.

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Financing receivable modifications post modification recorded investments.

No definition available.

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Loans, allowance for loan losses and credit quality.

No definition available.

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