Securities, Amortized Cost and Fair Value Securities Available for Sale Contractual Maturities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]
Maturing within one year	$ 13,474
Maturing after one year but within five years	146,741
Maturing after five years but within ten years	263,941
Maturing after ten years	324,518
Amortized cost	748,674
U.S. agency residential mortgage-backed	292,590
U.S. agency commercial mortgage-backed	22,663
Private label mortgage-backed	115,928
Other asset backed	281,822
Amortized cost	1,461,677	$ 1,404,858
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Maturing within one year	13,508
Maturing after one year but within five years	141,769
Maturing after five years but within ten years	248,638
Maturing after ten years	306,389
Total available-for-sale securities fair value	710,304
U.S. agency residential mortgage-backed	277,003
U.S. agency commercial mortgage-backed	21,591
Private label mortgage-backed	112,083
Other asset backed	279,156
Total	$ 1,400,137	$ 1,412,830