Other Assets (Derivative Instruments - Balance Sheet Location) (Details) - Swap - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Hedging \| Assets
Derivative Instruments
Notional amount of derivative assets	$ 0	$ 1,900,000
Derivative assets, fair value	0	0
Hedging \| Other liabilities
Derivative Instruments
Notional amount of derivative liabilities	2,422,000	722,000
Derivative liabilities, at fair value	0	0
Non-Hedging \| Other liabilities
Derivative Instruments
Notional amount of derivative liabilities	305,000	595,000
Derivative liabilities, at fair value	$ 0	$ 0

Nominal or face amount used to calculate payments on the derivative asset.

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