Other Comprehensive Income (Loss) (Narrative) (Details) - USD ($)	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Other Comprehensive Income (Loss), Tax [Abstract]
Sales of securities	$ 0	$ 0	$ 0	$ 0
Accumulated other comprehensive income (loss), net of deferred taxes			$ (7,900,000)		$ (464,000)

Amount of realized gain (loss) on investment in marketable security, including other-than-temporary impairment (OTTI).

No definition available.

Name:	us-gaap_MarketableSecuritiesRealizedGainLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration