Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Disaggregation of Revenue [Line Items]
Noninterest income in scope of Topic 606	$ 1,792	$ 620	$ 5,204	$ 1,861
Noninterest income out of scope of Topic 606	17,606	14,076	70,557	47,987
Total noninterest income	19,398	14,696	75,761	49,848
Service charges on deposit accounts
Disaggregation of Revenue [Line Items]
Noninterest income in scope of Topic 606	470	337	1,206	985
Interchange and debit card transaction fees
Disaggregation of Revenue [Line Items]
Noninterest income in scope of Topic 606	168	150	510	472
Compliance consulting income
Disaggregation of Revenue [Line Items]
Noninterest income in scope of Topic 606	1,084	25	3,035	25
Other
Disaggregation of Revenue [Line Items]
Noninterest income in scope of Topic 606	$ 70	$ 108	$ 453	$ 379