Financial Statement Presentation, Debt Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Mar. 31, 2022
Financial Statement Presentation [Abstract]
Other-than-temporary impairment on debt securities	$ 0
Threshold period to place debt security on nonaccrual status		90 days

Period when accrued interest on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), is considered uncollectible and written off, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 50
-Paragraph 3C
-URI http://asc.fasb.org/extlink&oid=124269663&loc=SL120267859-210455

Name:	us-gaap_DebtSecuritiesAvailableForSaleAccruedInterestThresholdPeriodWriteoff
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant