following amounts were recorded on the balance sheet related to cumulative basis adjustment for fair value hedges (Details) - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Derivative Instruments, Gain (Loss) [Line Items]
Loans receivable, cumulative amount of fair value hedging adjustment included in carrying amount of hedged assets	$ (7,000)	$ (4,000)
Total, cumulative amount of fair value hedging adjustment included in carrying amount of hedged assets	(7,000)	(4,000)
Amortized cost basis of closed portfolios used in hedging relationships	44,700,000
Cumulative basis adjustment associated with hedging relationships	7,000
Amount of designated hedged item	10,000,000.0
Hedged Assets Liabilities Carrying Amount [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Loans receivable(1)	9,993,000	9,996,000
Total	$ 9,993,000	$ 9,996,000