Equity (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Share Repurchases [Abstract]
Number of Shares Authorized to be Repurchased	4,700		4,700
Treasury Stock, Shares, Acquired	0	0	800	700
Dividends, Common Stock, Cash	$ 1,600	$ 1,600	$ 3,200	$ 3,300
Treasury Stock Value, Acquired, Cost Method			$ 14,500	$ 12,300