Available for Sale Marketable Debt Securities (Summary Amortized Cost and Estimated Fair Value) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Estimated Fair Value	$ 3,541	$ 11,727
Successor [Member] | Corporate Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Cost	3,522
Unrealized Gain	19
Unrealized (Loss)	0
Estimated Fair Value	3,541
Predecessor [Member] | Corporate Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Cost		11,666
Unrealized Gain		61
Unrealized (Loss)		0
Estimated Fair Value		$ 11,727