Parent Company Financial Statements (Balance Sheets - Parent Company) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Assets
Cash and cash equivalents	$ 104,867	$ 103,930
Income tax benefit	630	1,217
Total assets	1,936,823	1,584,899
Liabilities
Subordinated notes	44,447	44,440
Total liabilities	1,761,055	1,414,196
Shareholders' equity	175,768	170,703	$ 156,119	$ 151,760
Total liabilities and shareholders' equity	1,936,823	1,584,899
Parent Company
Assets
Cash and cash equivalents	2,391	35,210
Investment in banking subsidiary	216,357	178,240
Investment in captive insurance subsidiary	1,950	1,668
Income tax benefit	638	520
Interest receivable and other assets	118	99
Total assets	221,454	215,737
Liabilities
Subordinated notes	44,447	44,440
Accrued expenses and other liabilities	1,239	594
Total liabilities	45,686	45,034
Shareholders' equity	175,768	170,703
Total liabilities and shareholders' equity	$ 221,454	$ 215,737