Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Consolidated Statements of Comprehensive Income
Tax Effect of Unrealized Appreciation (Depreciation) on Available for Sale Securities Taxes (Credit)	$ (4,171)	$ 4,215	$ 2,574
Tax Effect Reclassification Adjustment for Losses (Gains) Included in Net Income Taxes (Credit)	0	18	(14)
Tax Effect on Amortization of Realized Gain on Termination of Cash Flow Hedge Taxes (Credit)	(1,852)	(1,541)	0
Tax Effect of Change in Fair Value of Cash Flow Hedge Taxes (Credit)	$ 0	$ 3,519	$ 4,093