Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
DEFERRED TAX ASSETS:
Accounting reserves and accruals	$ 26,340	$ 17,545
Defined benefit plan	1,074	3,924
Deferred management rights proceeds	43,009	42,424
Federal and State net operating loss carryforwards	105,484	110,869
Tax credits and other carryforwards	1,484	1,114
Other assets	4,477	5,022
Total deferred tax assets	181,868	180,898
Valuation allowance	(125,387)	(97,700)
Total deferred tax assets, net of valuation allowance	56,481	83,198
DEFERRED TAX LIABILITIES:
Property and equipment, net	57,035	71,940
Investment in joint ventures	101	11,048
Other liabilities	4,016	875
Total deferred tax liabilities	61,152	83,863
Net deferred tax liabilities	$ (4,671)	$ (665)