Benefit Plans (Details) (USD $)	3 Months Ended		6 Months Ended		0 Months Ended		0 Months Ended			3 Months Ended	6 Months Ended	12 Months Ended	0 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Apr. 28, 2014 Long-Term Incentive Plan [Member]	Apr. 28, 2014 Long-Term Incentive Plan [Member] Common Class B [Member]	Apr. 28, 2014 Long-Term Incentive Plan [Member] Chief Executive Officer [Member] anniversary installment	Apr. 28, 2014 Long-Term Incentive Plan [Member] Chief Executive Officer [Member] Common Class B [Member]	Apr. 28, 2014 Long-Term Incentive Plan [Member] Chief Executive Officer [Member] Common Class A [Member]	Jun. 30, 2014 Phantom Share Units [Member] Predecessor [Member]	Jun. 30, 2014 Phantom Share Units [Member] Predecessor [Member]	Dec. 31, 2013 Phantom Share Units [Member] Predecessor [Member]	Apr. 28, 2014 Restricted Stock [Member] Long-Term Incentive Plan [Member] Chief Executive Officer [Member] Common Class B [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Plan strike price value											$ 56,000,000
Vesting period											4 years
Amount paid under plan										22,000		2,100,000
Maximum percentage of pretax earnings employee is eligible to contribute under defined contribution plan			15.00%
401(k) defined contribution plan expense	$ 82,000	$ 71,000	$ 147,000	$ 130,000
Incentive plan period					10 years
Number of shares authorized under incentive plan						1,250,000
Shares issued/acquired under incentive plan								20,000					50,000
Vesting installments under incentive plan							5
Number of grant date anniversaries under incentive plan							5
Option to purchase shares under the incentive plan									30,000
Option to purchase shares pursuant to agreement under the incentive plan									225,000