Fair Value Measurements - Significant Unobservable Inputs (Details) - Trust preferred securities $ in Thousands	Dec. 31, 2019 USD ($)
Significant unobservable inputs (Level 3) used in the valuation of assets and liabilities measured at fair value on a recurring basis
Fair Value	$ 9,986
Price volatility | Minimum
Significant unobservable inputs (Level 3) used in the valuation of assets and liabilities measured at fair value on a recurring basis
Measurement input	0.00
Price volatility | Maximum
Significant unobservable inputs (Level 3) used in the valuation of assets and liabilities measured at fair value on a recurring basis
Measurement input	1.00