Commitments and Contingencies - Asbestos Claimant and Settlement (Details) - Asbestos [Member]	6 Months Ended		12 Months Ended
	Jun. 30, 2016 USD ($) claimants	Jun. 30, 2015 USD ($)	Dec. 31, 2015 USD ($) claimants	Dec. 31, 2014 claimants
Loss Contingencies [Line Items]
Loss Contingency, Pending Claims, Number			6,242	7,992
Loss Contingency, New Claims Filed, Number	72		266
Loss Contingency, Claims Dismissed, Number	271		1,990
Loss Contingency, Claims Settled, Number	12		26
Average settlement amount per claim during period | $	$ 29,875		$ 16,963
Total defense costs during period | $		$ 1,474,015	$ 3,160,000