Fair Value Measurements and Disclosures Notes Receivable (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015	Oct. 14, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Paid-in-kind interest income		$ (1,194)	$ (3,624)
Allowance for Doubtful Accounts Receivable		700
Notes Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Note Receivable - Principal Outstanding		44,038		$ 43,069	$ 39,000
Allowance for Uncollectible Notes Receivable		(44,038)
Note Receivable, net		0
Note receivable interest income	$ 1,100	1,200	3,400
Paid-in-kind interest income	$ 800	$ 969	$ 2,400