Leases - Future Minimum Lease Payments (Details) $ in Thousands	Dec. 31, 2018 USD ($)
Leases, Operating [Abstract]
2019	$ 11,208
2020	1,937
2021	1,863
2022	1,793
2023	1,465
Thereafter	25,446
Future minimum lease payments	43,712
Leases, Capital [Abstract]
2019	529
2020	333
2021	266
2022	199
2023	199
Thereafter	199
Future minimum lease payments	1,725
Amount representing interest	(148)
Future minimum lease payments, including amount representing interest	$ 1,577