Borrowings - Summary Of Interest Expense On Borrowings (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Interest Expense [Line Items]
Interest expense	$ 12,030	$ 8,309	$ 7,590
Obligations under capital leases
Interest Expense [Line Items]
Interest expense	0	7	30
Repurchase Agreements
Interest Expense [Line Items]
Interest expense	1,065	7	137
FHLB advances
Interest Expense [Line Items]
Interest expense	10,795	8,172	7,390
Floating rate advances
Interest Expense [Line Items]
Interest expense	$ 170	$ 123	$ 33