Common Stock (Narrative) (Details) - USD ($) $ in Thousands	6 Months Ended		9 Months Ended	12 Months Ended
	Dec. 31, 2021	Jun. 30, 2020	Sep. 30, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Aug. 11, 2021	May 04, 2020	Feb. 28, 2018
Authorization for repurchase of shares value								$ 5,000	$ 10,000	$ 10,000
Shares repurchased		402,056		225,205	856,499	116,034	191,265
Shares repurchased, value		$ 4,996				$ 2,006	$ 2,966
Additional Authorization [Member]
Shares repurchased	81,095		144,110		454,443
Shares repurchased, value	$ 1,554		$ 2,762		$ 7,238