Stock-Based Compensation and Equity (Details 3) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Redeemable Noncontrolling Interest, Equity, Carrying Amount
Balance - beginning of period			$ 6,071
Net income	$ 0	$ (111)	0	$ 151
Distributions			(6,652)	(11,185)
Change in other comprehensive income	0	21	0	27
Balance - end of period	13,374		13,374
Redeemable Noncontrolling Interest
Redeemable Noncontrolling Interest, Equity, Carrying Amount
Balance - beginning of period	6,071	7,436
Redemption value adjustment	7,303	(306)
Net income	0	151
Distributions	0	(836)
Change in other comprehensive income	0	(27)
Balance - end of period	$ 13,374	$ 6,418	$ 13,374	$ 6,418