Income Taxes - Carrying amounts of assets and liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Deferred tax liabilities
Accelerated depreciation	$ (3)	$ (6,468)
Prepaid expenses	(1,676)	(1,238)
Intangible assets	(3,704)	(3,474)
Operating lease assets	(71,221)
Lease incentives	(5,226)
Total deferred tax liabilities	(81,830)	(11,180)
Deferred tax assets
Investment impairment	21,601	21,974
Inventory related	5,029	6,479
Gift cards	1,385	1,478
Deferred revenues	6,859	322
Accrual for employee benefits and severance	1,555	1,401
Stock option expense	(10)	440
Investment in partnership	203,663	208,749
Tax Receivable Agreement liability	28,715	34,184
Net operating loss carryforward	114,617	51,654
Claims reserves	114	126
Intangible assets	2,086	547
Goodwill	2,396	3,836
Deferred book gain		770
Accelerated depreciation	1,002
Operating lease liabilities	82,785
Other reserves	6,195	6,146
Gross deferred tax assets	477,992	338,106
Valuation allowance	(266,452)	(180,983)
Net deferred tax assets	$ 129,710	$ 145,943