Recent Accounting Standards Recent Accounting Standards (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Recent Accounting Policies [Abstract]
Deferred Finance Costs, Own-share Lending Arrangement, Issuance Costs, Net	$ 13,145	$ 13,687

Amount of issuance costs recognized in a share-lending arrangement entered into by the entity, in contemplation of a convertible debt offering or other financing, after deduction of accumulated amortization or the effects of subsequent adjustments.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 2A
-URI http://asc.fasb.org/extlink&oid=7656903&loc=SL6757479-112611

Name:	us-gaap_DeferredFinanceCostsOwnshareLendingArrangementIssuanceCostsNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant