Balance Sheet Offsetting (Details) - Interest Rate Contract - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Derivative assets
Gross Amounts Recognized	$ 27,408	$ 11,864
Derivative Assets Offset	(2,524)	(10,410)
Derivative Asset, Collateral, Obligation to Return Cash, Offset	(24,837)	(1,408)
Net Amounts Presented on the Consolidated Balance Sheets	47	45
Investment Securities Received	0	0
Net amount	47	45
Derivative liabilities
Gross Amounts Recognized	31,164	22,189
Derivative Liability, Fair Value, Gross Asset	(2,524)	(10,410)
Derivative Liability, Collateral, Right to Reclaim Cash, Offset	(28,363)	(11,365)
Net Amounts Presented on the Consolidated Balance Sheets	277	413
Investment Securities Pledged	0	0
Net amount	$ 277	$ 413