Investment Securities, Available-for-sale Securities, Maturities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Amortized Cost [Abstract]
Due in one year or less	$ 10,071
Due in one year through five years	131,720
Due after five years through ten years	0
Amortized Cost	428,220	$ 407,717
Fair Value [Abstract]
Due in one year or less	10,120
Due in one year through five years	126,740
Due after five years through ten years	0
Fair Value	408,991	407,713
Mortgage-Backed Securities and Collateralized Mortgage Obligations - Residential [Member]
Amortized Cost [Abstract]
Securities, amortized cost	257,248
Amortized Cost	257,248	269,907
Fair Value [Abstract]
Securities, fair value	244,045
Fair Value	244,045	270,798
Small Business Administration-Guaranteed Participation Securities [Member]
Amortized Cost [Abstract]
Securities, amortized cost	29,181
Amortized Cost	29,181	31,303
Fair Value [Abstract]
Securities, fair value	28,086
Fair Value	$ 28,086	$ 31,674

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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