Derivative Instruments (Tables)	12 Months Ended
	Dec. 31, 2021
Derivative Instruments [Abstract]
Summary Of Derivative Instruments	2021 2020 2019Notional amount$44,887 $46,474 $12,039Weighted average pay rate on interest-rate swaps 4.21% 4.19% 4.66%Weighted average receive rate on interest-rate swaps 3.00% 3.08% 4.63%Weighted average maturity (years) 6.9 7.4 7.3Fair value of derivative asset$538 $1,944 $12Fair value of derivative liability$(538) $(1,944) $(12)
Schedule Of Mortgage Banking Derivatives	December 31, 2021 December 31, 2020 December 31, 2019 Notional Amount Fair Value Notional Amount Fair Value Notional Amount Fair ValueAssets (Liabilities): Interest rate commitments$ 50,312 $ 555 $ 1,048,613 $ 18,100 $ 297,454 $ 3,104TBA mortgage-back securities 53,250 (73) 506,750 (2,690) 225,500 (350)
Schedule Of Notional Amount Of Loans Sold	December 31, 2021 December 31, 2020 December 31, 2019Notional amount of loans sold$ 2,358,510 $ 2,229,042 $ 411,257
Schedule Of Revenue Recognized On Mortgage Activities	December 31, 2021 December 31, 2020 December 31, 2021Gain on loans sold$ 21,646 $ 61,147 $ 9,603Gain (loss) from change in fair value of loans held-for-sale (8,408) 7,046 1,341Gain (loss) from change in fair value of derivatives (7,322) (9,895) (490) $ 5,916 $ 58,298 $ 10,454