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Cash, Cash Equivalents And Restricted Cash (Tables) | 3 Months Ended
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Mar. 31, 2018
Cash, Cash Equivalents and Restricted Cash [Abstract] |
Reconciliation Of Cash, Cash Equivalents And Restricted Cash |
﻿ |  |  |  |  |  |
﻿ |  |  |  |  |  |
﻿ |  | As of March 31, |  | As of December 31,
﻿(in thousands) |  | 2018 |  | 2017
﻿Cash and cash equivalents available for general corporate purposes |  | $ | 75,423 |  | $ | 94,713
﻿Joint venture cash and cash equivalents |  |  | 98,917 |  |  | 98,155
﻿Cash and cash equivalents |  |  | 174,340 |  |  | 192,868
﻿Restricted cash |  |  | 4,090 |  |  | 4,780
﻿Total cash, cash equivalents and restricted cash |  | $ | 178,430 |  | $ | 197,648
﻿

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- Definition Tabular disclosure of cash and cash equivalents restricted as to withdrawal or usage. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(2)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(1)(a)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=98513485&loc=SL98516268-108586 + Details
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