Fair Value - Reconciliation of All Assets Measured at Fair Value on a Recurring Basis Using Significant Unobservable Inputs (Level 3) (Details) - Significant Unobservable Inputs (Level 3) - Pooled trust preferred securities - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance at beginning of period	$ 9,496	$ 7,913
Accretion of discount	5	5
Sales/payments received		(15)
Increase in fair value of securities	164	307
Balance at end of period	$ 9,665	$ 8,210