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Debt - Schedule of Debt Covenants (Details) $ in Millions	12 Months Ended
Debt - Schedule of Debt Covenants (Details) $ in Millions	Dec. 31, 2015 USD ($)
Line Of Credit Facility Covenant Actual Results
Line of Credit Facility [Line Items]
Maximum leverage ratio	0.347
Minimum fixed charge coverage ratio	3.72
Minimum tangible net worth	$ 2,550
Secured recourse indebtedness	34.70%
Line Of Credit Facility Covenant
Line of Credit Facility [Line Items]
Maximum leverage ratio	0.60
Minimum fixed charge coverage ratio	1.50
Minimum tangible net worth	$ 1,900
Secured recourse indebtedness	45.00%