Securities - Amortized Cost and Fair Value of Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Amortized Cost
Due in less than one year	$ 0
Due after one year through five years	0
Due after five years through ten years	0
Due after ten years	0
Held to maturity loans with maturity date, amortized cost, total	0
Held to maturity, amortized cost, total	613,312	$ 635,186
Fair Value
Due in less than one year	0
Due after one year through five years	0
Due after five years through ten years	0
Due after ten years	0
Held to maturity loans with maturity date, fair value, total	0
Held to maturity, fair value, total	503,187	507,594
Amortized Cost
Due in less than one year	103
Due after one year through five years	6,085
Due after five years through ten years	9,584
Due after ten years	16,606
Available for sale loans with maturity date, amortized cost, total	32,378
Available for sale, amortized cost, total	3,021,970	2,434,389
Fair Value
Due in less than one year	101
Due after one year through five years	6,101
Due after five years through ten years	9,708
Due after ten years	14,910
Available for sale loans with maturity date, fair value, total	30,820
Available for sale, fair value, total	2,866,185	2,226,543
Residential mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities
Amortized Cost
Loans without single maturity date	525,437
Held to maturity, amortized cost, total	525,437	546,444
Fair Value
Loans without single maturity date	422,558
Held to maturity, fair value, total	422,558	428,824
Amortized Cost
Loans without single maturity date	2,338,389
Available for sale, amortized cost, total	2,338,389	1,777,274
Fair Value
Loans without single maturity date	2,193,549
Available for sale, fair value, total	2,193,549	1,587,975
Commercial mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities
Amortized Cost
Loans without single maturity date	87,875
Held to maturity, amortized cost, total	87,875	88,742
Fair Value
Loans without single maturity date	80,629
Held to maturity, fair value, total	80,629	78,770
Amortized Cost
Loans without single maturity date	272,432
Available for sale, amortized cost, total	272,432	206,537
Fair Value
Loans without single maturity date	269,052
Available for sale, fair value, total	269,052	197,449
Private mortgage-backed securities and collateralized mortgage obligations
Amortized Cost
Loans without single maturity date	0
Fair Value
Loans without single maturity date	0
Amortized Cost
Loans without single maturity date	113,420
Available for sale, amortized cost, total	113,420	129,475
Fair Value
Loans without single maturity date	107,412
Available for sale, fair value, total	107,412	121,242
CLOs
Amortized Cost
Loans without single maturity date	0
Fair Value
Loans without single maturity date	0
Amortized Cost
Loans without single maturity date	257,962
Available for sale, amortized cost, total	257,962	278,342
Fair Value
Loans without single maturity date	257,905
Available for sale, fair value, total	257,905	278,964
Other debt securities
Amortized Cost
Loans without single maturity date	0
Fair Value
Loans without single maturity date	0
Amortized Cost
Loans without single maturity date	7,389
Available for sale, amortized cost, total	7,389	7,389
Fair Value
Loans without single maturity date	7,447
Available for sale, fair value, total	$ 7,447	$ 7,483