Income Taxes - Summary of Deferred Income Taxes (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Deferred Tax Assets
Deferred revenue — key money	$ 1,478		$ 1,696
Accrued vacation payable and deferred rent	1,544		1,265
Net operating loss carryforwards	785		617
Interest expense limitation	39		0
Gift card liability	1		2
Other	403		453
Total deferred income taxes	4,250		4,033
Valuation allowance	(782)		(2,956)
Total deferred tax assets	3,468		1,077
Deferred Tax Liabilities
Deferred rent	(119)		0
Other	(80)		(100)
Total deferred tax liabilities	(199)		(100)
Net Deferred Tax Asset	$ 3,269	$ 2,300	$ 977