Leases - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Jan. 01, 2019
Lessee Lease Description [Line Items]
Operating lease liabilities	$ 8,429	$ 10,126
Operating right-of-use assets	6,786	8,254
Operating lease rent expense	$ 2,500	2,500	$ 2,100
ASU 2016-02
Lessee Lease Description [Line Items]
Lease renewal term	5 years
Operating lease, existence of option to terminate [true false]	true
Operating lease, Option to terminate description	Certain lease arrangements contain extension option which are typically around 5 years
Operating lease liabilities				$ 9,900
Operating right-of-use assets		$ 8,254		$ 8,000
ASU 2016-02 | Minimum
Lessee Lease Description [Line Items]
Remaining operating lease terms	1 year
ASU 2016-02 | Maximum
Lessee Lease Description [Line Items]
Remaining operating lease terms	10 years