Acquisitions (Details) - USD ($) $ in Thousands			3 Months Ended		6 Months Ended
	May 04, 2021	Apr. 01, 2021	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Business Acquisition [Line Items]
Loans and leases, net of deferred fees and costs (b)			$ 3,372,199		$ 3,372,199		$ 3,402,940
Other assets			79,502		79,502		78,111
Cash and due from banks			57,239		57,239		60,902
Goodwill			196,500		196,500		171,260
Loans and Leases Receivable, Allowance			(47,942)		(47,942)		(50,359)
Loans and Leases Receivable, Net Amount			3,324,257		3,324,257		3,352,581
Business Combination, Contingent Consideration, Liability		$ 2,300
Salaries and employee benefit costs			21,928	$ 17,985	42,687	$ 37,903
Professional fees			3,565	1,834	7,033	3,527
Net occupancy and equipment expense			3,289	3,151	6,616	6,305
Data processing and software expense			2,411	1,754	4,865	3,506
Other non-interest expense			2,559	$ 2,180	5,051	5,186
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase			493		493	$ 2,686
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium)		85
Financing Receivable, Purchased with Credit Deterioration, Amount at Purchase Price		4,840
Finance Leases Portfolio Segment
Business Acquisition [Line Items]
Loans and leases, net of deferred fees and costs (b)			95,643		95,643		$ 0
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration, Increase		(493)	493		493
North Star Leasing
Business Acquisition [Line Items]
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High		3,100
Loans and leases, net of deferred fees and costs (b)		83,326
Business Combination, Consideration Transferred			118,846
Cash and due from banks		216
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment		470
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles		13,535
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets		845
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets		97,899
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities		4,247
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities		4,247
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net		93,652
Goodwill		25,194
Loans and Leases Receivable, Allowance		(493)
Loans and Leases Receivable, Net Amount		82,833
Salaries and employee benefit costs			7		7
Professional fees			2,000		3,800
Net occupancy and equipment expense			6		6
Data processing and software expense			43		43
Marketing Expense			15		17
Other non-interest expense			334		445
Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value		5,248
North Star Leasing | Cash [Member]
Business Acquisition [Line Items]
Business Combination, Consideration Transferred			$ 116,500
North Star Leasing | Base Earn Out
Business Acquisition [Line Items]
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High		2,500
North Star Leasing | Bonus Earn Out
Business Acquisition [Line Items]
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High		625
North Star Leasing | Financial Asset Acquired and No Credit Deterioration
Business Acquisition [Line Items]
Business Combination, Acquired Receivable, Fair Value		85,762
Certain Loans Acquired in Transfer, Nonaccretable Difference		3,456
Business Combination Acquired Receivables Expected Cash Flows		82,306
Certain Loans Acquired in Transfer, Accretable Yield		1,020
Business Combination, Acquired Receivable, Fair Value		$ 83,326
North Star Leasing | Short-term Debt
Business Acquisition [Line Items]
Business Combination, Consideration Transferred					$ 69,100
Justice & Stamper Insurance Agency, Inc
Business Acquisition [Line Items]
Business Combination, Consideration Transferred	$ 325