Parent Company Financial Information, Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Assets [Abstract]
Total Assets	$ 1,655,376	$ 1,292,591
Liabilities and stockholders' equity [Abstract]
Liabilities	1,504,719	1,159,676
Stockholders' equity	150,657	132,915	$ 112,461	$ 100,044
Total Liabilities and Stockholders' Equity	1,655,376	1,292,591
Parent Company [Member]
Assets [Abstract]
Cash	4,049	3,544
Investment in wholly-owned subsidiary	146,608	129,371
Total Assets	150,657	132,915
Liabilities and stockholders' equity [Abstract]
Liabilities	0	0
Stockholders' equity	150,657	132,915
Total Liabilities and Stockholders' Equity	$ 150,657	$ 132,915