Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Condensed Consolidated Statements of Comprehensive Income (Unaudited) [Abstract]
Net Income	$ 14,309	$ 14,105	$ 28,431	$ 27,654
Other Comprehensive Income
Increase in Net Unrealized Gain on Available-for-Sale Securities	1,338	3,741	16,128	7,987
Deferred Tax Benefit Related to Unrealized Gains	(396)	(1,105)	(4,768)	(2,361)
Reclassification Adjustment for Realized Gains on Available-for-Sale Securities Included in Net Income	0	0	(13)	0
Deferred Tax Related to Reclassification Adjustment	0	0	4	0
Total Other Comprehensive Income	942	2,636	11,351	5,626
Comprehensive Income	$ 15,251	$ 16,741	$ 39,782	$ 33,280