Financial Derivatives - Schedule of Credit Exposure to Interest Rate Swap Counterparties (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Derivative [Line Items]
Liabilities derivatives interest rate swaps	$ 47,543	$ 27,042
Gross Amount Recognized | Including Accrued Interest
Derivative [Line Items]
Assets derivatives interest rate swaps	122,793	56,139
Liabilities derivatives interest rate swaps	799,070	305,584
Counterparty Netting | Including Accrued Interest
Derivative [Line Items]
Assets derivatives interest rate swaps	121,310	53,771
Liabilities derivatives interest rate swaps	779,807	291,326
Net Amount Presented in the Consolidated Balance Sheet | Including Accrued Interest
Derivative [Line Items]
Assets derivatives interest rate swaps	1,483	2,368
Liabilities derivatives interest rate swaps	$ 19,263	$ 14,258