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		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Feb. 07, 2022
Goodwill, Ending Balance	$ 375,696		$ 375,696
Amortization of Intangible Assets	250	$ 224
Core Deposits [Member]
Amortization of Intangible Assets	250	$ 224
Core Deposits [Member] \| Amortization of Core Deposit Intangibles [Member]
Impairment of Intangible Assets, Finite-Lived	$ (0)		918
HSBC Bank USA West Coast Mass Market Consumer and Retail Banking Business [Member]
Goodwill, Ending Balance				$ 3,517
HSBC Bank USA West Coast Mass Market Consumer and Retail Banking Business [Member] \| Core Deposits [Member]
Finite-Lived Intangible Assets Acquired			$ 3,100