Leases (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease liability	$ 2,665
Operating lease right-of-use assets	$ 2,656
Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Remaining term of contract	1 year
Renewal term	1 year
Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Remaining term of contract	10 years
Renewal term	5 years