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Fair Value Measurements (Tables) | 12 Months Ended
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Dec. 31, 2018
Fair Value Measurements [Abstract] |
Financial Assets and Liabilities Measured on a Recurring Basis at Fair Value | The following table summarizes our financial assets and liabilities measured on a recurring basis at fair value at December 31, 2018 and 2017 by respective level of the fair value hierarchy (in thousands): ﻿
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
December 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Marketable securities |  | $ | 1,842 |  | $ | - |  | $ | - |  | $ | 1,842 |
﻿Marketable securities - restricted |  |  | 1,909 |  |  | - |  |  | - |  |  | 1,909 |
﻿ |  | $ | 3,751 |  | $ | - |  | $ | - |  | $ | 3,751 |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Interest rate swaps |  | $ | - |  | $ | - |  | $ | 1,639 |  | $ | 1,639 |
December 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |
﻿Marketable securities |  | $ | 1,907 |  | $ | - |  | $ | - |  | $ | 1,907 |
﻿Marketable securities – restricted |  |  | 2,148 |  |  | - |  |  | - |  |  | 2,148 |
﻿Interest rate swaps |  |  | - |  |  | - |  |  | 543 |  |  | 543 |
﻿ |  | $ | 4,055 |  | $ | - |  | $ | 543 |  | $ | 4,598 |
﻿
Changes in Fair Value of Interest Rate Swaps | The table below highlights the change in fair value of the interest rate swaps (in thousands):
﻿ |  |  |  |
﻿ |  |  |  |
﻿Ending balance, December 31, 2016 |  | $ | (180 | )
﻿Change in estimated fair value |  |  | 723 |
﻿Ending balance, December 31, 2017 |  |  | 543 |
﻿Change in estimated fair value |  |  | (2,182 | )
﻿Ending balance, December 31, 2018 |  | $ | (1,639 | )
﻿

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- Definition Tabular disclosure of the inputs and valuation techniques used to measure fair value, and a discussion of changes in valuation techniques and related inputs, if any, applied during the period to each separate class of assets, liabilities, and financial instruments classified in shareholders' equity that are measured on a recurring and/or nonrecurring basis. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset) using recurring unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19279-110258 + Details
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