Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jan. 01, 2019
Recently Adopted Accounting Pronouncements
Operating lease right-of-use assets	$ 1,732
Operating lease liabilities	$ 1,932
Accounting Standards Update 2016-02 | Adjustment
Recently Adopted Accounting Pronouncements
Operating lease right-of-use assets		$ 2,100
Operating lease liabilities		$ 2,200