Leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Assets and Liabilities [Abstract]
Right of use assets	$ 102,440	$ 93,162
Current lease liabilities	22,074	20,217
Long-term lease liabilities	86,220	78,511
Total lease liabilities	108,294	98,728
Lease expense [Abstract]
Operating lease expense	23,363	22,271
Short-term lease expense	930	2,278
Variable lease expense	248	95
Total lease expense	24,541	24,644
Cash paid for operating leases	$ 23,814	21,552
Weighted-average remaining lease term - operating leases	8 years 10 months 24 days
Weighted-average discount rate - operating leases	5.90%
Undiscounted future lease payments for operating lease liabilities [Abstract]
2021	$ 22,671
2022	19,128
2023	15,628
2024	14,172
2025	13,227
Thereafter	55,218
Building and Improvements [Member]
Assets and Liabilities [Abstract]
Right of use assets	97,429	87,689
Current lease liabilities	19,370	17,410
Long-term lease liabilities	83,926	75,877
Machinery and Equipment [Member]
Assets and Liabilities [Abstract]
Right of use assets	5,011	5,473
Current lease liabilities	2,704	2,807
Long-term lease liabilities	$ 2,294	$ 2,634