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Other Derivatives - Cash flow hedges (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) recognized in OCI	$ 767	$ (1,989)
Designated Cash Flow Hedge
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) recognized in OCI	(844)	(1,521)
Amount of gain or (loss) reclassified from accumulated other comprehensive income into income	(385)	28
Designated Cash Flow Hedge | Interest Expense
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) reclassified from accumulated other comprehensive income into income	(385)	28
Designated Cash Flow Hedge | Interest Rate Products
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) recognized in OCI	$ (844)	$ (1,521)

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Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

+ References

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-Publisher FASB
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-SubTopic 20
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Amount before tax of reclassification adjustments of other comprehensive income (loss).

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