Nature of Business and Significant Accounting Policies - Leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Jan. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Lease practical expedients package [true false]	true
Right-of-use assets	$ 1,833
Operating lease liabilities	$ 2,112
Accounting Standards Update 2016-02 | Restatement Adjustment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Right-of-use assets		$ 1,900
Operating lease liabilities		$ 2,100