Fair Value Disclosure of Financial Instruments (Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Derivative financial instruments, Asset	$ 6	$ 78
Derivative financial instruments, Liability	10,358	13,392
Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1)
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Derivative financial instruments, Asset	0	0
Derivative financial instruments, Liability	0	0
Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Derivative financial instruments, Asset	6	78
Derivative financial instruments, Liability	10,358	13,392
Significant Unobservable Inputs (Level 3)
Fair Value, Balance Sheet Grouping, Financial Statement Captions
Derivative financial instruments, Asset	0	0
Derivative financial instruments, Liability	$ 0	$ 0

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- Definition

Fair value as of the balance sheet date of interest rate derivative assets, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=49121117&loc=d3e13433-108611

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- Definition

Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities.

+ References

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