Other Intangible Assets - Additional Disclosures (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Amortization of finite-lived intangible assets	$ 500	$ 300
Amortization of deferred financing costs	$ 1,428	$ 96
Minimum
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Amortization period	2 years
Maximum
Schedule of Finite and Indefinite Lived Intangible Assets [Line Items]
Amortization period	20 years