Level 3 Reconciliation (Details) - Pooled Trust Preferred Securities [Member] - Fair Value, Inputs, Level 3 [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings	$ 0	$ 0	$ 0
Reconciliation for all assets and liabilities measured at fair value on a recurring basis
Beginning balance	1,329	1,640	1,584
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases, (Sales), Issuances, (Settlements)	(189)	(502)	(21)
Sales	(26)	191	77
Ending Balance	$ 1,114	$ 1,329	$ 1,640