Leases - Summary of Operating Lease Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Leases
Operating lease liabilities, January 1, 2020	$ 9,495
Amortization of lease obligation	(527)	$ (271)
Payments of lease obligations	(628)
Operating lease liabilities, March 31, 2020	$ 8,867