Share Repurchase Program (Details) - USD ($) $ in Thousands	12 Months Ended		17 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019
Share Repurchase Program [Abstract]
Stock Repurchase Program, Authorized Amount	$ 50,000		$ 50,000
Treasury Stock, Shares, Acquired	200,000		1,300,000
Treasury Stock, Value, Acquired, Cost Method	$ 5,150	$ 25,709	$ 30,900
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 19,100		$ 19,100