Consolidated Statements of Income (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Consolidated Statements of Income
Reclassifications included in gains/(losses) on sale of investments	$ 476	$ 0	$ 0
Provision for income taxes related to income tax (expense)/benefit for reclassification items	$ (117)	$ 0	$ 0