Stock Compensation - Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Share-based Payment Arrangement [Abstract]
Net income	$ 13,280	$ 13,910
Basic weighted average shares outstanding (in shares)	49,888	49,775
Basic net income per share (in dollars per share)	$ 0.27	$ 0.28
Effect from dilutive shares and options outstanding (in shares)	148	340
Diluted weighted average shares outstanding (in shares)	50,036	50,115
Diluted net income per share (in dollars per share)	$ 0.27	$ 0.28