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Basis of Presentation and Principles of Consolidation (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2016
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Debt issuance costs	$ 3,775		$ 5,611
Accounting Standards Update 2015-03 [Member] | Miscellaneous Assets [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Debt issuance costs	(3,775)
Accounting Standards Update 2015-03 [Member] | Current Portion of Long-term Debt [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Debt issuance costs	359
Accounting Standards Update 2015-03 [Member] | Long-term Debt, Excluding Current Portion [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Debt issuance costs	3,416
Payroll and Employee Benefits [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Prior period reclassification adjustment	44,415	$ 57,584
Occupancy and Other Operating Expenses [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Prior period reclassification adjustment	$ (44,415)	$ (57,584)

X

- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28555-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.17)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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