Leases - Maturities of Operating Lease Liabilities (Details) $ in Thousands	Mar. 31, 2019 USD ($)
Leases [Abstract]
2019	$ 1,490
2020	1,689
2021	1,713
2022	1,705
2023	1,496
Thereafter	29,181
Total minimum lease payments	37,274
Less: present value adjustment	(16,734)
Operating lease liabilities	$ 20,540