Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
ROU assets	$ 108,187	$ 0
Lease liabilities	116,924	$ 0
ASU No. 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
ROU assets	108,200
Lease liabilities	$ 116,900
Minimum [Member] | Accounting Standards Update 2016-13 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Allowance for Loan and Lease Losses, Percent	30.00%
Maximum | Accounting Standards Update 2016-13 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Allowance for Loan and Lease Losses, Percent	45.00%