Income Taxes - The Components of the Net Deferred Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deferred tax assets:
Allowance for credit losses on loans	$ 12,475	$ 12,528
Net unrealized losses on securities available for sale	24,667	28,418
Operating lease liabilities	12,680	14,289
Accrued compensation	7,882	8,709
Stock based compensation	3,140	3,171
Depreciation	2,711	2,462
Derivative adjustments	445	2,030
Pension and post retirement benefits	2,044	2,126
Other allowances	3,609	1,185
Acquisition fair value marks	637	960
Net operating losses	491	257
Net unrealized losses on pension and post retirement benefits	172	124
Other	1,482	989
Deferred tax assets	72,435	77,248
Deferred tax liabilities:
Right of use assets	12,287	13,410
Net unrealized gains on cash flow hedges	6,667	11,429
Deferred loan fees, net	3,819	3,930
Fair value adjustments	3,110	2,314
Net unrealized gains on entity specific fair value	747	672
Other	660	24
Deferred tax liabilities	27,290	31,779
Net deferred tax asset included in other assets	$ 45,145	$ 45,469