Fair Value Measurements (Details 6) - Measurement Input, Discount Rate - Discounted Cash Flow - Non Purchased Credit Impaired Loans and Leases - Fair Value, Measurements, Nonrecurring - Level 3	3 Months Ended
	Mar. 31, 2020
Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount rates	0.0350
Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount rates	0.1046
Weighted Average
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount rates	0.0803
Weighted Average | Discount Rates
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Discount rates	0.0803