Litigation (Details 3) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Apr. 22, 2015
Litigation
Settlement expense	$ 72,000
Litigation Settlement
Litigation
Loss contingency accrual to be paid in second quarter		$ 36,000
Loss contingency accrual to be paid in third quarter		$ 36,000
Litigation settlement, paid	36,000
Settlement expense	$ 72,000