Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended		3 Months Ended		6 Months Ended
	May 31, 2020	Feb. 29, 2020	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Treasury stock, shares, acquired			13,759		47,500
Treasury stock, value			$ 198	$ 604	$ 1,436	$ 1,091
Treasury stock reissued			46,849		59,205
Cash Dividends per Share	$ 0.01	$ 0.25	$ 0.01	$ 0.55	$ 0.26	$ 1.10
Stock Rights [Member]
Fair Value Assets Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Treasury stock, shares, acquired			17,500		17,500
Treasury stock, value			$ 300		$ 300