Loan Servicing - Schedule of Activity for Servicing Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Mortgage Loans
Servicing assets:
Beginning of period	$ 12,858	$ 1,540	$ 1,002
Acquisitions		10,651
Additions	2,088	1,562	1,115
Disposals	(128)	(197)	(172)
Amortized to expense	(1,821)	(698)	(405)
End of period	12,997	12,858	1,540
SBA Loans
Servicing assets:
Beginning of period	4,512	4,417	2,702
Additions	980	1,932	2,628
Disposals	(708)	(1,177)	(367)
Amortized to expense	(698)	(660)	(546)
End of period	$ 4,086	$ 4,512	$ 4,417