Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Schedule of Unfunded Commitments (Details)

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Commitments and Contingencies - Schedule of Unfunded Commitments (Details) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Supply Commitment [Line Items]    
Unfunded commitments, Total $ 126,653 $ 134,627
Commercial and Standby Letters of Credit    
Supply Commitment [Line Items]    
Unfunded commitments, Total 60 91
Unfunded Loan Commitments    
Supply Commitment [Line Items]    
Unfunded commitments, Total $ 126,593 $ 134,536