Debt (Narrative) (Details) - Revolving Credit Facility [Member] - USD ($)	Jun. 12, 2015	May. 22, 2015
RAOD Agreement Due May 2017 [Member]
Debt Instrument [Line Items]
Line of credit		$ 50,000,000
RAOD Agreement Due May 2017 [Member] | LIBOR [Member]
Debt Instrument [Line Items]
Variable interest spread		3.00%
PORT Agreement Due June 2017 [Member]
Debt Instrument [Line Items]
Line of credit	$ 100,000,000
PORT Agreement Due June 2017 [Member] | LIBOR [Member]
Debt Instrument [Line Items]
Variable interest spread	2.25%