Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Consolidated Statements of Comprehensive Income
Tax Effect of Unrealized Appreciation (Depreciation) on Available for Sale Securities Taxes (Credit)	$ 4,215	$ 2,574	$ (353)
Tax Effect Reclassification Adjustment for Gains Included in Net Income Taxes (Credit) Taxes	18	(14)	0
Tax effect on amortization of realized gain on termination of cash flow hedge taxes (credit)	(1,541)	0	0
Tax effect of change in fair value of cash flow hedge taxes (credit)	$ 3,519	$ 4,093	$ 2,761