Derivative Instruments and Hedging Activities - Derivative Instruments in Cash Flow Hedging Relationships (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Reclassified from AOCI into earnings	$ 1,307	$ 463	$ 1,292	$ 458
Amounts reclassified from AOCI into earnings related to hedge ineffectiveness	0	0	0	0
Amount expected to be reclassified from AOCI into earnings related to hedge ineffectiveness	$ 0	$ 0	0	$ 0
Interest Rate Swap \| Interest expense \| Cash flow hedge
Derivative Instruments, Gain (Loss) [Line Items]
Amount of Gain or (Loss) Reclassified from AOCI into earnings			$ (72)

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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The net gain (loss) included in earnings for the period relating to components of the gain (loss) on interest rate cash flow hedging instruments excluded from the assessment of fair value hedge effectiveness.

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The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.

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Amount before tax of reclassification adjustments of other comprehensive income (loss).

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