Borrowings (Bank Of America Credit Facility) (Narrative) (Details) - USD ($) $ in Thousands			6 Months Ended	12 Months Ended
	Aug. 07, 2020	Mar. 06, 2020	Jun. 30, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Contractual facility			$ 240,626	$ 248,948
Bank Of America Credit Facility [Member]
Debt Instrument [Line Items]
Contractual facility		$ 55,000	$ 36,750	$ 39,500
Maturity date		Mar. 06, 2023	Mar. 06, 2023	Mar. 06, 2023
Bank Of America Credit Facility [Member] | Eurodollar [Member]
Debt Instrument [Line Items]
Spread over LIBOR	3.00%
Bank Of America Credit Facility [Member] | Floor Rate [Member]
Debt Instrument [Line Items]
Spread over LIBOR	1.00%