Accumulated Other Comprehensive Income (Loss) - Reclassifications Out of AOCI (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Unrealized gains on securities, tax	$ 162	$ (429)	$ 1,471
Total reclassifications	1,875	(1,128)	17,292
Realized Investment Gains (Losses)
Unrealized gains on securities	2,037	(1,557)	18,763
Income Tax Benefit
Unrealized gains on securities, tax	$ 162	$ (429)	$ 1,471

Amount before tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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