Basis of Presentation and Summary of Significant Accounting Policies (Details) $ in Millions	6 Months Ended
	Jun. 30, 2020 USD ($) item contract segment Office	Jan. 22, 2016 item
Schedule of Accounting Policies [Line Items]
Number of operating segments | segment	2
Payment Deferral Fees Waiver Extension Of Repayments And Other Deferral Payments [Member]
Schedule of Accounting Policies [Line Items]
Number of Contracts | contract	355
Loan principal balance | $	$ 103.6
Puget Sound [Member]
Schedule of Accounting Policies [Line Items]
Number of bank branches	21
Number of administrative offices that accept deposits | Office	1
Number of loan production offices	7
Tri-Cities, Washington [Member]
Schedule of Accounting Policies [Line Items]
Number of loan production offices	1
Bank of America
Schedule of Accounting Policies [Line Items]
Number of bank branches		4