Leases - Maturities of Finance and Operating Lease Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Jan. 02, 2019
Finance Leases
2020	$ 767
2021	679
2022	560
2023	462
2024	1,026
Thereafter	314
Total minimum lease payments	3,808
Less amount representing interest	(478)
Present value of lease liabilities	3,330
Operating Leases
2020	5,484
2021	4,658
2022	3,736
2023	3,712
2024	3,704
Thereafter	25,208
Total minimum lease payments	46,502
Less amount representing interest	(16,937)
Operating lease obligations	$ 29,565	$ 25,943