Commitments and Contingencies - Litigation Narrative (Details) $ in Thousands		1 Months Ended
	Sep. 08, 2016 plaintiff	Dec. 31, 2013 USD ($)	Jan. 20, 2015 lawsuit
SDNY Actions [Member] | Pending Litigation [Member]
Loss Contingencies [Line Items]
Number of claims | lawsuit			10
Putative Class Action [Member] | Pending Litigation [Member]
Loss Contingencies [Line Items]
Stipulation of settlement, maximum attorney fees | $		$ 625
Audit Committee Investigation [Member] | SDNY Actions [Member]
Loss Contingencies [Line Items]
Number of individuals in civil complaint | plaintiff	2