Commitments and Contingencies - Supplemental Disclosure for Statement of Cash Flows Related to Operating Leases (Details)
$ in Thousands
|3 Months Ended|
Mar. 31, 2019
|Cash paid for amounts included in the measurement of lease liabilities|
|Operating cash flows from operating leases||$ 649|
Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.
Reference 1: http://www.xbrl.org/2003/role/disclosureRef