Assets and Liabilities Subject to Enforceable Master Netting Agreements (Schedule of Liabilities Subject to an Enforceable Master Netting Arrangement or Repurchase Agreements) (Details) - USD ($) $ in Thousands |
Jun. 30, 2018 |
Dec. 31, 2017 |
| Investment security collateral as a percentage of borrowing |
102.00%
|
|
| Interest Rate Swap [Member] |
|
|
| Gross Amounts of Recognized (Assets)/Liabilities |
$ (1,536)
|
$ (781)
|
| Gross Amounts Offset in the Statement of Condition |
0
|
0
|
| Net Amounts of (Assets)/Liabilities Presented in the Statement of Condition |
(1,536)
|
(781)
|
| Gross Amounts Not Offset in the Statement of Condition: Financial Instruments |
1,536
|
781
|
| Gross Amounts Not Offset in the Statement of Condition: Cash Collateral Pledged |
0
|
0
|
| Net amount |
0
|
0
|
| Repurchase Agreements [Member] |
|
|
| Gross Amounts of Recognized (Assets)/Liabilities |
28,929
|
48,845
|
| Gross Amounts Offset in the Statement of Condition |
0
|
0
|
| Net Amounts of (Assets)/Liabilities Presented in the Statement of Condition |
28,929
|
48,845
|
| Gross Amounts Not Offset in the Statement of Condition: Financial Instruments |
(28,929)
|
(48,845)
|
| Gross Amounts Not Offset in the Statement of Condition: Cash Collateral Pledged |
0
|
0
|
| Net amount |
$ 0
|
$ 0
|