Derivative Instruments and Hedging Activities - Interest Rate Derivatives Designated as Hedges (Details) - Derivative - interest rate swap: - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Derivative [Line Items]
Deferred issuance costs	$ 2,400	$ 2,800
Fair value hedge interest rate swaps \| Derivatives designated as hedging instruments:
Derivative [Line Items]
Net Carrying Amount of the Hedged Liability *	268,300	267,076
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Liability	$ (29,312)	$ (30,132)

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of liability hedged in fair value hedging relationship.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount of cumulative increase (decrease) in fair value of hedged liability in fair value hedge, attributable to hedged risk.

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