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Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2018

Accounting Policies [Abstract]

Schedule of Cash, Cash Equivalents and Restricted Cash

The following is a reconciliation of the Company's cash, cash equivalents, and restricted cash to the total presented in the Company's condensed consolidated statement of cash flows for the three months ended March 31, 2018 and March 31, 2017, respectively ($ in thousands):

	Balance at March 31, 2018				Balance at March 31, 2017
Cash	$	98,310			$	142,905
Restricted cash	$	—			$	54,702
Total cash and restricted cash shown in the condensed consolidated statement of cash flows	$	98,310			$	197,607

Schedule of Cash, Cash Equivalents and Restricted Cash

The following is a reconciliation of the Company's cash, cash equivalents, and restricted cash to the total presented in the Company's condensed consolidated statement of cash flows for the three months ended March 31, 2018 and March 31, 2017, respectively ($ in thousands):

	Balance at March 31, 2018				Balance at March 31, 2017
Cash	$	98,310			$	142,905
Restricted cash	$	—			$	54,702
Total cash and restricted cash shown in the condensed consolidated statement of cash flows	$	98,310			$	197,607

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Tabular disclosure of cash and cash equivalents restricted as to withdrawal or usage.

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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

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