Loans - Aging of Loan Portfolio (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Past Due [Line Items]
Total loans	$ 4,046,642	$ 3,856,281
Loans Greater than 90 Days Past Due, Still Accruing	1,061	777
Nonaccrual	27,327	35,249
Commercial
Financing Receivable, Past Due [Line Items]
Total loans	2,414,787	2,181,552
Loans Greater than 90 Days Past Due, Still Accruing	0	0
Nonaccrual	16,492	22,779
Commercial real estate
Financing Receivable, Past Due [Line Items]
Total loans	1,176,973	1,156,668
Loans Greater than 90 Days Past Due, Still Accruing	1,061	0
Nonaccrual	4,781	2,934
Residential real estate
Financing Receivable, Past Due [Line Items]
Total loans	437,116	503,828
Loans Greater than 90 Days Past Due, Still Accruing	0	777
Nonaccrual	6,052	9,498
Consumer
Financing Receivable, Past Due [Line Items]
Total loans	17,766	14,233
Loans Greater than 90 Days Past Due, Still Accruing	0	0
Nonaccrual	2	38
Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Total loans	3,995,028	3,795,780
Loans Not Past Due | Commercial
Financing Receivable, Past Due [Line Items]
Total loans	2,392,205	2,147,310
Loans Not Past Due | Commercial real estate
Financing Receivable, Past Due [Line Items]
Total loans	1,160,244	1,144,801
Loans Not Past Due | Residential real estate
Financing Receivable, Past Due [Line Items]
Total loans	424,860	489,482
Loans Not Past Due | Consumer
Financing Receivable, Past Due [Line Items]
Total loans	17,719	14,187
Loans 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	22,193	23,304
Loans 30-59 Days Past Due | Commercial
Financing Receivable, Past Due [Line Items]
Total loans	5,467	11,415
Loans 30-59 Days Past Due | Commercial real estate
Financing Receivable, Past Due [Line Items]
Total loans	10,887	8,933
Loans 30-59 Days Past Due | Residential real estate
Financing Receivable, Past Due [Line Items]
Total loans	5,794	2,948
Loans 30-59 Days Past Due | Consumer
Financing Receivable, Past Due [Line Items]
Total loans	45	8
Loans 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Total loans	1,033	1,171
Loans 60-89 Days Past Due | Commercial
Financing Receivable, Past Due [Line Items]
Total loans	623	48
Loans 60-89 Days Past Due | Commercial real estate
Financing Receivable, Past Due [Line Items]
Total loans	0	0
Loans 60-89 Days Past Due | Residential real estate
Financing Receivable, Past Due [Line Items]
Total loans	410	1,123
Loans 60-89 Days Past Due | Consumer
Financing Receivable, Past Due [Line Items]
Total loans	$ 0	$ 0