Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation - Narrative (Details)

v3.10.0.1
Basis of Presentation - Narrative (Details)
3 Months Ended
Jun. 30, 2018
segment
Mar. 31, 2018
segment
Jan. 01, 2018
USD ($)
Dec. 31, 2017
USD ($)
Finite-Lived Intangible Assets [Line Items]        
Number of reportable segments | segment 1 2    
Retained Earnings | Accounting Standards Update 2017-12        
Finite-Lived Intangible Assets [Line Items]        
Impact of adoption       $ (605,000)
New Accounting Pronouncement, Early Adoption, Effect | Retained Earnings | Accounting Standards Update 2017-12        
Finite-Lived Intangible Assets [Line Items]        
Impact of adoption     $ (605,000)