Debt, net - Schedule of Debt (Details) - USD ($)	Sep. 30, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Debt, net	$ 179,342,000	$ 194,243,000
Term Loan | Third Amended And Restated Credit Facility
Debt Instrument [Line Items]
Debt, net	175,000,000.0
Mortgage Note Payable, net
Debt Instrument [Line Items]
Debt, net	5,136,000	5,202,000
Revolving Credit Facility | Line of Credit | Third Amended And Restated Credit Facility
Debt Instrument [Line Items]
Debt, net	0	15,000,000
A-1 Term Loan, net | Term Loan | Third Amended And Restated Credit Facility
Debt Instrument [Line Items]
Debt, net	49,889,000	49,833,000
A-2 Term Loan, net | Term Loan | Third Amended And Restated Credit Facility
Debt Instrument [Line Items]
Debt, net	49,815,000	49,775,000
A-3 Term Loan, net | Term Loan | Third Amended And Restated Credit Facility
Debt Instrument [Line Items]
Debt, net	$ 74,502,000	$ 74,433,000