Commitments and Contingencies - Operating Leases (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Operating Leases
Lease Term			6 years
As Lessor
Remainder of 2016	$ 7,304		$ 7,304
2017	14,608		14,608
2018	14,608		14,608
2019	14,608		14,608
2020	13,452		13,452
Thereafter	10,479		10,479
Total future minimum lease payments	75,059		75,059
As Lessee
Remainder of 2016	8,597		8,597
2017	25,383		25,383
2018	20,717		20,717
2019	13,697		13,697
2020	12,563		12,563
Thereafter	10,239		10,239
Total future minimum lease payments	91,196		91,196
Rental expense and rental income for all operating leases
Rental expense for all operating lease	3,400	$ 1,300	6,400	$ 2,200
Other assets.
Rental expense and rental income for all operating leases
Prepaid rent and security deposit	$ 11,800		$ 11,800		$ 12,100