Fair Value Disclosure of Financial Instruments (Tables)

6 Months Ended

12 Months Ended

Jun. 30, 2014

Dec. 31, 2013

Notes To Financial Statements [Abstract]

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The table below presents our assets and liabilities measured at fair value on a recurring basis as of June 30, 2014 and December 31, 2013, aggregated by the level in the fair value hierarchy within which those measurements fall.

Assets and Liabilities Measured at Fair Value on a Recurring Basis at June 30, 2014

(dollars in thousands)

	Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance at
							June 30, 2014
Assets
Derivative financial instruments	$	—	$	156	$	—	$	156
Liabilities
Derivative financial instruments	$	—	$	17,997	$	—	$	17,997

Assets and Liabilities Measured at Fair Value on a Recurring Basis at December 31, 2013

(dollars in thousands)

	Quoted Prices in Active Markets for Identical Assets and Liabilities (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Balance at
							December 31, 2013
Assets
Derivative financial instruments	$	—	$	444	$	—	$	444
Liabilities
Derivative financial instruments	$	—	$	20,015	$	—	$	20,015