JHP Acquisition - Source and Use of Funds (Details) (USD $)					0 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013	Dec. 31, 2012	Feb. 20, 2014 JHP Group Holdings [Member]	Mar. 31, 2014 JHP Group Holdings [Member]	Feb. 20, 2014 Senior Secured Term Loan [Member] JHP Group Holdings [Member]
Business Acquisition [Line Items]
Senior secured term loan							$ 395,000,000
Sponsor equity contribution					110,000,000
Company cash on hand	220,560,000	130,080,000	40,160,000	36,794,000	1,633,000
Cash purchase of equity					487,929,000
Transaction costs					12,350,000	12,350,000
Accrued interest on Company debt					6,354,000
Total source and use of funds					$ 506,633,000