Leases - Additional Information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($) lease	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) lease	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Number of non-cancelable operating leases, lessee (leases) | lease	13		13
Operating lease payments	$ 2,500	$ 2,300	$ 7,300	$ 6,900
Right of use asset	16,600		16,600		$ 15,100
Operating lease liability	$ 17,333		$ 17,333		$ 16,200
Weighted average operating lease term	8 years		8 years		7 years
Operating lease weighted average interest rate (percent)	4.00%		4.00%		4.40%
Operating lease, right-of-use asset, statement of financial position [Extensible List]	us-gaap:OtherAssets		us-gaap:OtherAssets
Operating lease, liability, statement of financial position [Extensible List]	us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent		us-gaap:AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
Minimum
Lessee, Lease, Description [Line Items]
Lessor operating lease term	1 month		1 month
Maximum
Lessee, Lease, Description [Line Items]
Lessor operating lease term	6 months		6 months