Commitments and Contingencies - Schedule of FHLB borrowings (Details) - FHLB Advances	Jun. 30, 2020 USD ($)
0.22% due September 30, 2020
Debt Instrument
Principal Amounts	$ 50,000,000
Interest Rate	0.22%
1.71% due December 30, 2020
Debt Instrument
Principal Amounts	$ 10,000,000
Interest Rate	1.71%
1.62% due January 25, 2021
Debt Instrument
Principal Amounts	$ 10,000,000
Interest Rate	1.62%

Face (par) amount of debt instrument at time of issuance.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=119993939&loc=d3e28551-108399

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant