Condensed Consolidated Statement of Stockholders' Equity (USD $)	Total USD ($)		Common Class A USD ($)	Common Class B	Additional paid-in capital USD ($)	(Accumulated deficit) retained earnings USD ($)	Accumulated other comprehensive income USD ($)	Non-controlling interest USD ($)
Beginning balance, Value at Dec. 31, 2014	$ 39,283,000		$ 1,000		$ 241,882,000	$ 12,041,000	$ 886,000	$ (215,527,000)
Beginning balance, Shares at Dec. 31, 2014			11,768,041	1
Net income	9,130,000					2,751,000		6,379,000
Distributions paid and payable to non-controlling unitholders	(30,895,000)							(30,895,000)
Equity-based compensation	142,000				142,000
Dividends payable to Class A common stockholders	(19,383,000)		(1,500,000)			(19,383,000)
Change in accumulated other comprehensive income	(533,000)						(533,000)
Exercise of stock options, Value	949,000				949,000
Exercise of stock options, Shares	263,568	[1]	263,568
Excess tax benefit realized on exercise of stock options	1,105,000				1,105,000
Ending balance, Value at Mar. 31, 2015	$ (202,000)		$ 1,000		$ 244,078,000	$ (4,591,000)	$ 353,000	$ (240,043,000)
Ending balance, Shares at Mar. 31, 2015			12,031,609	1

[1] Cash received from stock option exercises for the three months ended March 31, 2015 was $937,000. The Company recorded a corporate income tax benefit relating to the options exercised during the three months ended March 31, 2015 of $1,105,000 in “Additional paid-in capital” in the accompanying Condensed Consolidated Balance Sheets and Condensed Consolidated Statement of Stockholders’ Equity.