Balance Sheet Offsetting (Details) - Interest Rate Contract - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Offsetting Derivative Assets [Abstract]
Gross Amounts Recognized	$ 11,864	$ 65,596
Derivative Liabilities Offset	(10,410)	(5,322)
Cash Collateral Received	(1,408)	(27,593)
Net Amounts Presented on the Consolidated Balance Sheets	45	32,681
Gross Amounts Not Offset on the Consolidated Balance Sheets	0	(31,837)
Net Amount	45	843
Offsetting Derivative Liabilities [Abstract]
Gross Amounts Recognized	22,189	22,951
Derivative Assets Offset	(10,410)	(5,322)
Cash Collateral Pledged	(11,365)	(63)
Net Amounts Presented on the Consolidated Balance Sheets	413	17,567
Gross Amounts Not Offset on the Consolidated Balance Sheets	0	(17,551)
Net Amount	$ 413	$ 16