Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Additional Information (Details)

v3.19.1
Fair Value Measurements - Additional Information (Details)
3 Months Ended
Mar. 31, 2019
USD ($)
Fair Value Disclosures [Abstract]  
Other assets measured at fair value $ 0
Other liabilities measured at fair value 0
impairment charges $ 0