Leases - Additional Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Sep. 30, 2020 USD ($) ft²	Mar. 31, 2020 USD ($)	Jan. 31, 2020 ft²	Nov. 30, 2019 ft² extension	Jun. 30, 2019 USD ($)	May 31, 2019 ft² extension	Mar. 31, 2019 USD ($) ft² extension	Jan. 31, 2019 ft²
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets	$ 19,773	$ 15,561
Operating lease, liability	25,335
Operating lease, payments	$ 8,200	$ 4,400
Vista Sorrento Parkway Lease
Lessee, Lease, Description [Line Items]
Area of office space leased | ft²								33,681		25,332
Operating lease, number of options to extend | extension								1
Operating lease extension period	4 years
Operating lease right-of-use assets									$ 3,100
Operating lease, liability									3,100
Vista Sorrento Parkway Lease | Vista Sorrento Lease
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets									4,700
Operating lease, liability									$ 4,700
Marindustry Place Lease
Lessee, Lease, Description [Line Items]
Area of office space leased | ft²									40,490
Operating lease, number of options to extend | extension									1
Operating lease right-of-use assets							$ 3,400
Operating lease, liability							$ 3,400
Shoreline Drive, Boise, Idaho
Lessee, Lease, Description [Line Items]
Area of office space leased | ft²						94,562
Operating lease, number of options to extend | extension						1
Operating lease extension period						3 years
Operating lease right-of-use assets				$ 6,500
Operating lease, liability				6,500
High Bluff Drive, San Diego, California
Lessee, Lease, Description [Line Items]
Area of office space leased | ft²					30,703
Operating lease right-of-use assets				2,300
Operating lease, liability				$ 2,300
Roselle Street San Diego California
Lessee, Lease, Description [Line Items]
Area of office space leased | ft²			77,000
Operating lease extension period			1 year
Operating lease right-of-use assets			$ 2,200
Operating lease, liability			$ 2,200
Minimum
Lessee, Lease, Description [Line Items]
Lease term	1 year
Minimum | Marindustry Place Lease
Lessee, Lease, Description [Line Items]
Operating lease extension period									3 years
Maximum
Lessee, Lease, Description [Line Items]
Lease term	7 years
Maximum | Marindustry Place Lease
Lessee, Lease, Description [Line Items]
Operating lease extension period									5 years