Derivative Instruments (Derivative Assets Offset in The Consolidated Balance Sheets) (Details) - Not Designated as Hedging Instrument [Member] - Interest Rate Swap [Member] $ in Thousands	Jun. 30, 2017 USD ($)
Customer Counterparties Loan Interest Rate Swap Assets [Member]
Offsetting Assets [Line Items]
Gross amounts of recognized assets	$ 7,737
Net Amounts of Assets presented in the Statement of Financial Position	7,737
Fair Value of collateral	7,737
Total Gross amounts not offset in the statement of financial position including applicable netting agreement and fair value of collateral	7,737
Net Amount	0
Financial Institution Counterparties Loan Interest Rate Swap Asset [Member]
Offsetting Assets [Line Items]
Gross amounts of recognized assets	7,079
Net Amounts of Assets presented in the Statement of Financial Position	7,079
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	$ 7,079