Balance Sheet Offsetting (Details) $ in Thousands	Dec. 31, 2017 USD ($)
Financial assets:
Gross Amounts Recognized in the Consolidated Balance Sheets	$ 1,833
Gross Amounts Offset in the Consolidated Balance Sheets	(698)
Net Amounts Presented in the Consolidated Balance Sheets	1,135
Financial Instruments	0
Cash Collateral	0
Net Amount	1,135
Financial liabilities:
Gross Amounts Recognized in the Consolidated Balance Sheets	1,135
Gross Amounts Offset in the Consolidated Balance Sheets	0
Net Amounts Presented in the Consolidated Balance Sheets	1,135
Financial Instruments	0
Cash Collateral	0
Net Amount	1,135
Not Designated as Hedging Instrument
Financial assets:
Gross Amounts Recognized in the Consolidated Balance Sheets	1,833
Gross Amounts Offset in the Consolidated Balance Sheets	(698)
Net Amounts Presented in the Consolidated Balance Sheets	1,135
Financial Instruments	0
Cash Collateral	0
Net Amount	1,135
Financial liabilities:
Gross Amounts Recognized in the Consolidated Balance Sheets	1,135
Gross Amounts Offset in the Consolidated Balance Sheets	0
Net Amounts Presented in the Consolidated Balance Sheets	1,135
Financial Instruments	0
Cash Collateral	0
Net Amount	$ 1,135

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