Loans - Credit Risk Profile based on Bank’s Rating Categories (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	$ 4,046,642	$ 3,856,281
Non-Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	3,979,743	3,780,261
Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	66,899	76,020
Commercial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	2,414,787	2,181,552
Commercial | Non-Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	2,384,275	2,145,831
Commercial | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	30,512	35,721
Commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,176,973	1,156,668
Commercial real estate | Non-Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,146,673	1,126,080
Commercial real estate | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	30,300	30,588
Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	437,116	503,828
Residential real estate | Non-Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	431,033	494,155
Residential real estate | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	6,083	9,673
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	17,766	14,233
Consumer | Non-Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	17,762	14,195
Consumer | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	$ 4	$ 38