Derivative Instruments - Derivative Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Designated as hedging instruments:
Derivative financial instruments
Derivative liabilities:	$ 10,113	$ 5,021
Not designated as hedging instruments:
Derivative financial instruments
Derivative assets:	40,982	8,498
Derivative liabilities:	16,821	4,979
Other Assets | Not designated as hedging instruments: | Interest rate contracts
Derivative financial instruments
Derivative assets:	11,615	3,880
Other Assets | Not designated as hedging instruments: | Interest rate lock commitments
Derivative financial instruments
Derivative assets:	29,367	4,579
Other Assets | Not designated as hedging instruments: | Forward commitments
Derivative financial instruments
Derivative assets:	0	39
Other Liabilities | Designated as hedging instruments: | Interest rate swaps
Derivative financial instruments
Derivative liabilities:	10,113	5,021
Other Liabilities | Not designated as hedging instruments: | Interest rate contracts
Derivative financial instruments
Derivative liabilities:	11,615	3,880
Other Liabilities | Not designated as hedging instruments: | Interest rate lock commitments
Derivative financial instruments
Derivative liabilities:	0	3
Other Liabilities | Not designated as hedging instruments: | Forward commitments
Derivative financial instruments
Derivative liabilities:	$ 5,206	$ 1,096