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Derivative Instruments and Hedging Activity (Tables) | 9 Months Ended
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Sep. 30, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] | The Company had the following outstanding interest rate derivatives that were designated as cash flow hedges of interest rate risk (in thousands, except number of instruments):
|  | Number of Instruments |  |  | Notional |
|  | September 30, |  |  | December 31, |  |  | September 30, |  |  | December 31, |
Interest Rate Derivatives |  | 2018 |  |  | 2017 |  |  | 2018 |  |  | 2017 |
Interest Rate Swap |  | 4 |  |  | 5 |  |  | $ | 158,734 |  |  | $ | 184,304 |
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] | The table below presents the estimated fair value of the Company’s derivative financial instruments, as well as their classification in the consolidated balance sheets (in thousands).
|  | Asset Derivatives |
|  | September 30, 2018 |  |  | December 31, 2017 |
|  | Fair Value |  |  | Fair Value |
Derivatives designated as cash flow hedges: |  |  |  |  |  |  |  |
Interest Rate Swaps |  | $ | 4,516 |  |  | $ | 1,592 |
|  | Liability Derivatives |
|  | September 30, 2018 |  |  | December 31, 2017 |
|  | Fair Value |  |  | Fair Value |
Derivatives designated as cash flow hedges: |  |  |  |  |  |  |  |
Interest Rate Swaps |  | $ | - |  |  | $ | 242 |
Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) [Table Text Block] | The table below displays the effect of the Company’s derivative financial instruments in the consolidated statements of operations and other comprehensive loss for the three and nine months ended September 30, 2018 and 2017 (in thousands).
|  | Derivatives in Cash Flow Hedging Relationships |  |  | Amount of Income/(Loss) Recognized in OCI on Derivative (Effective Portion) |  |  | Location of Income/(Loss) Reclassifed from Accumulated OCI into Income (Effective Portion) |  |  | Amount of Income/(Loss) Reclassified from Accumulated OCI into Expense (Effective Portion) |
Three months ended September 30 |  |  |  |  | 2018 |  |  | 2017 |  |  |  |  |  |  | 2018 |  |  | 2017 |
|  | Interest rate swaps |  |  | $ | 454 |  |  | $ | 203 |  |  | Interest Expense |  |  | $ | 67 |  |  | $ | (258 | )
Nine months ended September 30 |  |  |  |  | 2018 |  |  | 2017 |  |  |  |  |  |  | 2018 |  |  | 2017 |
|  | Interest rate swaps |  |  | $ | 3,166 |  |  | $ | 330 |  |  | Interest Expense |  |  | $ | (24 | ) |  | $ | (1,085 | )
Offsetting Assets And Liabilities [Table Text Block] | The gross amounts of derivative assets or liabilities can be reconciled to the Tabular Disclosure of Fair Values of Derivative Instruments above, which also provides the location that derivative assets and liabilities are presented on the consolidated balance sheets (in thousands):
Offsetting of Derivative Assets
As of September 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  |  |  |  |  |  |  |  |  |  | Gross Amounts Not Offset in the Statement of Financial Position |  |  |  |
|  | Gross Amounts of Recognized Assets |  |  | Gross Amounts Offset in the Statement of Financial Position |  |  | Net Amounts of Assets presented in the statement of Financial Position |  |  | Financial Instruments |  |  | Cash Collateral Received |  |  | Net Amount |
Derivatives |  | $ | 4,516 |  |  | $ | - |  |  | $ | 4,516 |  |  | $ | - |  |  | $ | - |  |  | $ | 4,516 |
Offsetting of Derivative Liabilities
As of September 30, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  |  |  |  |  |  |  |  |  |  | Gross Amounts Not Offset in the Statement of Financial Position |  |  |  |
|  | Gross Amounts of Recognized Liabilities |  |  | Gross Amounts Offset in the Statement of Financial Position |  |  | Net Amounts of Liabilities presented in the statement of Financial Position |  |  | Financial Instruments |  |  | Cash Collateral Received |  |  | Net Amount |
Derivatives |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |  |  | $ | - |
Offsetting of Derivative Assets
As of December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  |  |  |  |  |  |  |  |  |  | Gross Amounts Not Offset in the Statement of Financial Position |  |  |  |
|  | Gross Amounts of Recognized Assets |  |  | Gross Amounts Offset in the Statement of Financial Position |  |  | Net Amounts of Assets presented in the statement of Financial Position |  |  | Financial Instruments |  |  | Cash Collateral Received |  |  | Net Amount |
Derivatives |  | $ | 1,592 |  |  | $ | - |  |  | $ | 1,592 |  |  | $ | (42 | ) |  | $ | - |  |  | $ | 1,550 |
Offsetting of Derivative Liabilities
As of December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  |  |  |  |  |  |  |  |  |  | Gross Amounts Not Offset in the Statement of Financial Position |  |  |  |
|  | Gross Amounts of Recognized Liabilities |  |  | Gross Amounts Offset in the Statement of Financial Position |  |  | Net Amounts of Liabilities presented in the statement of Financial Position |  |  | Financial Instruments |  |  | Cash Collateral Received |  |  | Net Amount |
Derivatives |  | $ | 242 |  |  | $ | - |  |  | $ | 242 |  |  | $ | (42 | ) |  | $ | - |  |  | $ | 200 |

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