Income Taxes, Net Operating Losses (Details) $ in Millions	12 Months Ended
	Dec. 31, 2018 USD ($)
U.S. Federal [Member]
Operating Loss Carryforwards [Abstract]
Net operating losses, tax benefit	$ 0.1
Net operating losses one, tax benefit	2.2
Net operating losses, valuation allowance	0.0
Net operating losses one, valuation allowance	$ (2.1)
U.S. Federal [Member] | Minimum [Member]
Operating Loss Carryforwards [Abstract]
Net operating losses, expiration date	Dec. 31, 2029
U.S. Federal [Member] | Maximum [Member]
Operating Loss Carryforwards [Abstract]
Net operating losses, expiration date	Dec. 31, 2037
U.S. State and Local [Member]
Operating Loss Carryforwards [Abstract]
Net operating losses, tax benefit	$ 1.8
Net operating losses, valuation allowance	$ 0.0
U.S. State and Local [Member] | Minimum [Member]
Operating Loss Carryforwards [Abstract]
Net operating losses, expiration date	Dec. 31, 2018
U.S. State and Local [Member] | Maximum [Member]
Operating Loss Carryforwards [Abstract]
Net operating losses, expiration date	Dec. 31, 2037
Non U.S. [Member]
Operating Loss Carryforwards [Abstract]
Net operating losses, tax benefit	$ 7.8
Net operating losses, valuation allowance	$ (6.6)