Components of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2021	Dec. 31, 2020
Accumulated Other Comprehensive Income Loss [Line Items]
Other comprehensive income (loss), net of tax	$ (176)	$ 115
Unrealized gains on available-for-sale securities, net
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive income (loss) beginning balance	135	20
Other comprehensive income (loss), net of tax	(176)	115
Accumulated other comprehensive income (loss) ending balance	(41)	135
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income Loss [Line Items]
Accumulated other comprehensive income (loss) beginning balance	135	20
Accumulated other comprehensive income (loss) ending balance	$ (41)	$ 135