Securities - Scheduled Maturities of Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Amortized Cost
Due in one year or less	$ 68,729
Due after one year through five years	80,864
Due after five years through 10 years	110,778
Over 10 years	15,886
Subtotal	276,257
Total available for sale securities	437,661	$ 337,184
Fair Value
Due in one year or less	68,917
Due after one year through five years	84,213
Due after five years through 10 years	114,972
Over 10 years	16,461
Subtotal	284,563
Fair value	450,538	339,937
Amortized Cost
Due in one year or less	0
Due after one year through five years	0
Due after five years through 10 years	0
Over 10 years	0
Subtotal	0
Mortgage-backed securities	0
Amortized Cost	0	86,579
Fair Value
Due in one year or less	0
Due after one year through five years	0
Due after five years through 10 years	0
Over 10 years	0
Subtotal	0
Mortgage-backed securities	0
Fair value	0	86,817
Collateralized mortgage obligations
Amortized Cost
Without single maturity date	6,508
Total available for sale securities	6,508	16,400
Fair Value
Without single maturity date	6,647
Fair value	6,647	16,397
Mortgage-backed securities
Amortized Cost
Without single maturity date	154,896
Total available for sale securities	154,896	179,546
Fair Value
Without single maturity date	159,328
Fair value	159,328	179,625
Amortized Cost
Amortized Cost	0	63,297
Fair Value
Fair value	$ 0	$ 63,385