Fair Value Measurements - Summary of Assets and Liabilities Measured at Fair Value (Details) $ in Thousands	Dec. 31, 2016 USD ($)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Noncompete obligation	$ 110
Liabilities	110
Estimate of Fair Value Measurement | Level 1
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Noncompete obligation	0
Liabilities	0
Estimate of Fair Value Measurement | Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Noncompete obligation	110
Liabilities	110
Estimate of Fair Value Measurement | Level 3
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Noncompete obligation	0
Liabilities	$ 0