Leases - Narrative (Details)	3 Months Ended
	Dec. 31, 2019	Jun. 30, 2020
Lessee, Lease, Description [Line Items]
Building development period	2 years
1310 Harbor Bay Lease
Lessee, Lease, Description [Line Items]
Operating lease term, lease not yet commenced	15 years	15 years
Roseville Lease
Lessee, Lease, Description [Line Items]
Lease term	15 years
Minimum
Lessee, Lease, Description [Line Items]
Operating lease, renewal term		5 years
Maximum
Lessee, Lease, Description [Line Items]
Operating lease, renewal term		15 years