Leases - Maturities of Lease Liabilities (Details) $ in Thousands	Mar. 31, 2019 USD ($)
Operating Leases
2019 (excluding the three months ended March 31, 2019)	$ 1,756
2020	2,346
2021	2,305
2022	2,269
2023	2,178
Thereafter	25,859
Total lease payments	36,713
Less: Interest	(17,621)
Present value of lease liabilities	19,092
Finance Leases
2019 (excluding the three months ended March 31, 2019)	29
2020	39
2021	39
2022	39
2023	39
Thereafter	22
Total lease payments	207
Less: Interest	(40)
Present value of lease liabilities	$ 167