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Junior Subordinated Debentures (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2007	May 01, 2014
Debt Instrument [Line Items]
Junior subordinated debentures	$ 21,180	$ 20,887
Issued amount				$ 25,000
Debt term	30 years
Adjustable rate of trust preferred securities	1.77%	180.00%
Junior Subordinated Debentures
Debt Instrument [Line Items]
Weighted average rate	3.53%	4.29%	6.55%
LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)				1.56%
Washington Banking
Debt Instrument [Line Items]
Assumed trust preferred securities and junior subordinated debentures, fair value					$ 18,900

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Including the current and noncurrent portions, carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Junior Subordinated Notes, which have a lower priority than senior instruments.

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