Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 135,234	$ 132,775
Less: accumulated depreciation	(91,914)	(85,020)
Property and equipment, net	43,320	47,755
Land
Property, Plant and Equipment [Line Items]
Property and equipment, gross	5,265	5,265
Buildings and leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	85,857	84,544
Furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 44,112	$ 42,966