Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 47,268	$ 38,079	$ 33,765
Unrealized (losses) gains on investments, net of tax of ($2,478), $1,814, and $3,014 in 2021, 2020, and 2019, respectively	(28,673)	(6,485)	4,745
Comprehensive income	$ 18,595	$ 31,594	$ 38,510