Loans and Leases (Details Textual) - USD ($)		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
Pre-Modification Outstanding Recorded Investment		$ 3,516,000	$ 11,783,000
Post-Modification Outstanding Recorded Investment		2,616,000	11,783,000
Nonaccrual loans and leases		88,527,000		$ 79,333,000
Receivable, 90 or more days past due		11,944,000		10,700,000
Receivable, 30-89 days past due		30,587,000		6,600,000
Financing receivable, nonaccrual status, current				62,000,000
Credit Concentration Risk
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans and leases		$ 52,400,000
Percentage of nonaccrual loans and leases		59.00%
Non Purchased Credit Impaired Loans and Leases
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans and leases				79,333,000
Receivable, 90 or more days past due	[1]			10,723,000
Receivable, 30-89 days past due	[1]			17,085,000
Nonaccrual
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivable, 90 or more days past due		$ 11,900,000
Receivable, 30-89 days past due		2,400,000
Financing receivable, nonaccrual status, current		74,200,000
Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans and leases		72,476,000
Receivable, 90 or more days past due		4,533,000
Receivable, 30-89 days past due		11,905,000
Commercial | Non Purchased Credit Impaired Loans and Leases
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans and leases				60,003,000
Receivable, 90 or more days past due				1,931,000
Receivable, 30-89 days past due				9,933,000
Commercial | Other Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Pre-Modification Outstanding Recorded Investment		585,000	11,783,000
Post-Modification Outstanding Recorded Investment		585,000	$ 11,783,000
Nonaccrual loans and leases		8,633,000
Receivable, 90 or more days past due		3,339,000
Receivable, 30-89 days past due		3,655,000
Commercial | Other Commercial | Non Purchased Credit Impaired Loans and Leases
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans and leases				7,380,000
Receivable, 90 or more days past due				1,285,000
Receivable, 30-89 days past due				5,181,000
Commercial | Asset Based
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans and leases		43,406,000
Receivable, 90 or more days past due		0
Receivable, 30-89 days past due		$ 3,750,000
Commercial | Asset Based | Non Purchased Credit Impaired Loans and Leases
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans and leases				32,324,000
Receivable, 90 or more days past due				646,000
Receivable, 30-89 days past due				$ 47,000
Other Commercial | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of Loans		2	1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment		$ 64,000	$ 2,300,000

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