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Investment Securities - Sale of securities (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Securities
Proceeds from the sale of securities available for sale	$ 1,516,000	$ 11,379,000	$ 38,566,000
Net gain on sale of securities available for sale			191,000
Gain loss recognized		0	$ 0
Investment securities pledged as collateral	$ 1,100,000,000	570,600,000
Mortgage-backed - Non-Agency multi-family
Securities
Proceeds from the sale of securities available for sale		$ 11,400,000

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- Definition

Amount of unrealized and realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
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Amount of securities, mortgage loans, or other financial instruments pledged as collateral for deposits.

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Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

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