Commitments and Contingencies (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Jan. 30, 2015
Leases, Operating [Abstract]
Rental expense under operating leases	$ 5,200	$ 4,800
Rental expense under operating leases			$ 4,600
Future minimum lease payments operating lease
2021	2,808
2022	1,441
2023	430
2024	118
2025	77
Thereafter	151
Total lease payments	5,025
Future minimum lease payments finance lease
2021	5,848
2022	5,980
2023	6,114
2024	6,252
2025	5,930
Thereafter	73,723
Total lease payments	103,847
Less interest portion	(55,698)
Sale leaseback obligation	48,149
Purchase Commitments
Contracts and purchase orders for inventory and other expenditures	$ 92,700
Buildings | Beverly Property Owner LLC
Purchase Commitments
Lease term				22 years