Commitments and Contingencies (Details) (USD $)	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Commitments and Contingencies Disclosure [Abstract]
Interest Expense	$ 16,000	$ 16,000
Rent Expense	$ 1,900,000us-gaap_LeaseAndRentalExpense	$ 1,900,000us-gaap_LeaseAndRentalExpense

The financing charge for leasing arrangements meeting the criteria for capitalization.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 30

-Section 45

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6455314&loc=d3e45031-112735

Name:	us-gaap_CapitalLeasesIncomeStatementInterestExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration