Financial Derivatives - Schedule of Credit Exposure to Interest Rate Swap Counterparties (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Derivative [Line Items]
Liabilities derivatives interest rate swaps	$ 37,357	$ 27,042
Gross Amount Recognized | Interest Rate Swap
Derivative [Line Items]
Assets derivatives interest rate swaps	114,788	56,139
Liabilities derivatives interest rate swaps	718,812	305,584
Counterparty Netting | Interest Rate Swap
Derivative [Line Items]
Assets derivatives interest rate swaps	114,165	53,771
Liabilities derivatives interest rate swaps	714,470	291,326
Net Amount Presented in the Consolidated Balance Sheet | Interest Rate Swap
Derivative [Line Items]
Assets derivatives interest rate swaps	623	2,368
Liabilities derivatives interest rate swaps	$ 4,342	$ 14,258