Stock-Based Compensation and Equity (Details 3) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Redeemable Noncontrolling Interest, Equity, Carrying Amount
Balance - beginning of period			$ 7,436
Net income	(14)	232	137	139
Distributions			(15,270)		(71,820)
Change in other comprehensive income	(32)	(21)	(5)	0
Balance - end of period	6,346		6,346		7,436
Redeemable Noncontrolling Interest
Redeemable Noncontrolling Interest, Equity, Carrying Amount
Balance - beginning of period			7,436	7,531	7,531
Redemption value adjustment			(306)	0
Net income			137	139
Distributions			(926)	(354)
Change in other comprehensive income			5	0
Balance - end of period	$ 6,346	$ 7,316	$ 6,346	$ 7,316