Fair Value (Fair Value Measurement of Assets and Liabilities) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Carrying Value
Financial assets:
Cash and cash equivalents	$ 176,486	$ 103,930
Other investments	14,398	11,475
Net loans	1,822,634	1,214,935
Accrued interest receivable	8,541	4,403
Financial liabilities:
Deposits	1,943,435	1,135,428
Borrowings	216,809	212,225
Subordinated notes	44,555	44,440
Accrued interest payable	2,265	1,574
Estimate of Fair Value Measurement
Financial assets:
Cash and cash equivalents	176,486	103,930
Net loans	1,863,805	1,203,639
Accrued interest receivable	8,541	4,403
Financial liabilities:
Deposits	2,008,494	1,138,202
Borrowings	224,511	212,125
Subordinated notes	44,795	47,100
Accrued interest payable	2,265	1,574
Estimate of Fair Value Measurement | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial assets:
Cash and cash equivalents	31,080	19,990
Net loans	0	0
Accrued interest receivable	0	0
Financial liabilities:
Deposits	0	0
Borrowings	0	0
Subordinated notes	0	0
Accrued interest payable	0	0
Estimate of Fair Value Measurement | Significant Other Observable Inputs (Level 2)
Financial assets:
Cash and cash equivalents	145,406	83,940
Net loans	0	0
Accrued interest receivable	1,966	1,236
Financial liabilities:
Deposits	2,008,494	1,138,202
Borrowings	224,511	212,125
Subordinated notes	44,795	47,100
Accrued interest payable	2,265	1,574
Estimate of Fair Value Measurement | Significant Unobservable Inputs (Level 3)
Financial assets:
Cash and cash equivalents	0	0
Net loans	1,863,805	1,203,639
Accrued interest receivable	6,575	3,167
Financial liabilities:
Deposits	0	0
Borrowings	0	0
Subordinated notes	0	0
Accrued interest payable	$ 0	$ 0