Derivative Instruments and Hedging Activity - Offsetting of Derivative Assets and Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Derivative Instruments and Hedging Activity
Gross Amounts of Recognized Assets	$ 23,036	$ 2,286
Gross Amounts Offset in the Statement of Financial Position	0	0
Net Amounts of Assets presented in the statement of Financial Position	23,036	2,286
Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments	(3,028)	(1,258)
Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Received	0	0
Gross Amounts Not Offset in the Statement of Financial Position, Net Amount	20,008	1,028
Gross Amounts of Recognized Liabilities	12,590	16,985
Gross Amounts Offset in the Statement of Financial Position	0	0
Net Amounts of Liabilities presented in the statement of Financial Position	12,590	16,985
Gross Amounts Not Offset in the Statement of Financial Position, Financial Instruments	(3,028)	(1,258)
Gross Amounts Not Offset in the Statement of Financial Position, Cash Collateral Received	0	0
Gross Amounts Not Offset in the Statement of Financial Position, Net Amount	$ 9,562	$ 15,727