Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Consolidated Statements of Comprehensive Income (Unaudited) [Abstract]
Net Income	$ 14,122	$ 13,549
Other Comprehensive Income
Increase in Net Unrealized Gain on Available-for-Sale Securities	14,790	4,246
Deferred Tax Benefit Related to Unrealized Gains	(4,372)	(1,256)
Reclassification Adjustment for Realized Gains on Available-for-Sale Securities Included in Net Income	(13)	0
Deferred Tax Benefit Related to Reclassification Adjustment	4	0
Change in Net Unrealized Gain on Available-for-Sale Securities, Net of Tax	10,409	2,990
Total Other Comprehensive Income	10,409	2,990
Comprehensive Income	$ 24,531	$ 16,539

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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