Derivative Instruments (Derivative Assets Offset in The Consolidated Balance Sheets) (Details) - Interest Rate Swap [Member] $ in Thousands	Mar. 31, 2017 USD ($)
Designated as Hedging Instrument [Member]
Offsetting Assets [Line Items]
Gross amounts of recognized assets	$ 6
Net Amounts of Assets presented in the Statement of Financial Position	6
Fair Value of collateral	11
Total Gross amounts not offset in the statement of financial position including applicable netting agreement and fair value of collateral	0
Net Amount	11
Customer Counterparties Loan Interest Rate Swap Assets [Member] \| Not Designated as Hedging Instrument [Member]
Offsetting Assets [Line Items]
Gross amounts of recognized assets	6,562
Net Amounts of Assets presented in the Statement of Financial Position	6,562
Fair Value of collateral	6,562
Total Gross amounts not offset in the statement of financial position including applicable netting agreement and fair value of collateral	6,562
Net Amount	0
Financial Institution Counterparties Loan Interest Rate Swap Asset [Member] \| Not Designated as Hedging Instrument [Member]
Offsetting Assets [Line Items]
Gross amounts of recognized assets	8,996
Net Amounts of Assets presented in the Statement of Financial Position	8,996
Fair Value of collateral	0
Total Gross amounts not offset in the statement of financial position including applicable netting agreement and fair value of collateral	0
Net Amount	$ 8,996

Fair value of securities received as collateral against derivative assets.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226013-175313

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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