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]	Aug. 08, 2014 Long-Term Incentive Plan [Member] Common Class B [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] installment anniversary	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	$ 81,000	$ 61,000	$ 229,000	$ 190,000
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
Deferred Compensation Arrangement with Employee, Shares issued upon receipt of regulatory approval						196,875