Long-Term Obligations Line of Credit Pricing (Details)	12 Months Ended
	Dec. 31, 2019
Pricing Level I [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Commitment Fee Percentage	0.15%
LIBOR Basis Spread on Variable Rate	1.25%
Debt Instrument, Basis Spread on Variable Rate	0.25%
Pricing Level II [Member] [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Commitment Fee Percentage	0.20%
LIBOR Basis Spread on Variable Rate	1.50%
Debt Instrument, Basis Spread on Variable Rate	0.50%
Pricing Level III [Member] [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Commitment Fee Percentage	0.25%
LIBOR Basis Spread on Variable Rate	1.75%
Debt Instrument, Basis Spread on Variable Rate	0.75%
Pricing Level IV [Member] [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Commitment Fee Percentage	0.30%
LIBOR Basis Spread on Variable Rate	2.00%
Debt Instrument, Basis Spread on Variable Rate	1.00%