Commitments and Contingencies (Narrative) (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Commitments And Contingencies Disclosure [Abstract]
Reserve for unfunded lending commitments	$ 30,710	$ 29,334	$ 32,559	$ 29,907