The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Note 14 - Goodwill and Other Intangible Assets (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended	9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022	Feb. 07, 2022
Goodwill, Ending Balance	$ 375,696			$ 375,696		$ 375,696
Amortization of Intangible Assets	250	$ 250		1,059	$ 724
Core Deposits [Member]
Impairment of Intangible Assets, Finite-Lived				1,227		918
Amortization of Intangible Assets			$ 250
Core Deposits [Member] \| Amortization of Core Deposit Intangibles [Member]
Impairment of Intangible Assets, Finite-Lived	$ 0	$ 0		$ 309		918
HSBC Bank USA West Coast Mass Market Consumer and Retail Banking Business [Member]
Goodwill, Ending Balance							$ 3,507
HSBC Bank USA West Coast Mass Market Consumer and Retail Banking Business [Member] \| Core Deposits [Member]
Finite-Lived Intangible Assets Acquired						$ 3,100