Interest and Other Income - Schedule of Interest and Other Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Schedule Of Investment Income Reported Amounts By Category [Line Items]
Mark-to-market of investments in our deferred compensation plans	$ (1,940)		$ (845)
Interest and other income	177		448
Total interest and other income (loss)	$ (1,763)		$ (397)
Predecessor [Member]
Schedule Of Investment Income Reported Amounts By Category [Line Items]
Mark-to-market of investments in our deferred compensation plans		$ (146)		$ 1,082
Interest and other income		147		625
Total interest and other income (loss)		$ 1		$ 1,707