Balance Sheet Offsetting (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Financial assets:
Gross Amounts Recognized in the Consolidated Balance Sheets	$ 2,717	$ 1,833
Gross Amounts Offset in the Consolidated Balance Sheets	0	(698)
Net Amounts Presented in the Consolidated Balance Sheets	2,717	1,135
Financial Instruments	0	0
Cash Collateral	0	0
Net Amount	2,717	1,135
Financial liabilities:
Gross Amounts Recognized in the Consolidated Balance Sheets	2,717	1,135
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Net Amounts Presented in the Consolidated Balance Sheets	2,717	1,135
Financial Instruments	0	0
Cash Collateral	0	0
Net Amount	2,717	1,135
Not Designated as Hedging Instrument
Financial assets:
Gross Amounts Recognized in the Consolidated Balance Sheets	2,717	1,833
Gross Amounts Offset in the Consolidated Balance Sheets	0	(698)
Net Amounts Presented in the Consolidated Balance Sheets	2,717	1,135
Financial Instruments	0	0
Cash Collateral	0	0
Net Amount	2,717	1,135
Financial liabilities:
Gross Amounts Recognized in the Consolidated Balance Sheets	2,717	1,135
Gross Amounts Offset in the Consolidated Balance Sheets	0	0
Net Amounts Presented in the Consolidated Balance Sheets	2,717	1,135
Financial Instruments	0	0
Cash Collateral	0	0
Net Amount	$ 2,717	$ 1,135

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