Related Party Transactions - Additional Information (Details)
$ in Thousands
|6 Months Ended|
Jun. 30, 2019
|Related Party Transactions [Abstract]|
|Consulting fees||$ 53|
Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef