Recent Events, Including Mergers and Acquisitions, Subsequent Events (Details) $ in Thousands	Mar. 17, 2022 USD ($)
Watonga Bancshares, Inc [Member] \| Subsequent Event [Member]
Subsequent Events [Abstract]
Sale of building	$ 3,730

The cash inflow from sale of buildings.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3179-108585

Name:	us-gaap_ProceedsFromSaleOfBuildings
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration