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Derivatives (Details) - Summary of interest rate swap designated as a cash flow hedges - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Derivative Instruments and Hedging Activities Disclosure [Abstract]      
Notional amount $ 175,000 $ 200,000 $ 175,000
Weighted average pay rates 0.22% 1.74% 1.85%
Weighted average receive rates 1.68% 1.76% 0.92%
Weighted average maturity 7 months 6 days 1 year 4 months 24 days 9 months 18 days
Fair value $ (1,464) $ (3,029) $ (2,119)