CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Interest income:
Investment securities and cash equivalents	$ 846,441	$ 974,329	$ 877,394
Loans	765,806	629,187	514,894
Total interest income	1,612,247	1,603,516	1,392,288
Total interest expense	1,221,513	1,249,649	1,064,741
Net interest income	390,734	353,867	327,547
Provision for losses	(32,860)	(11,579)	(858)
Net interest income after provision for losses	357,874	342,288	326,689
Non-interest income/(expense):
Guarantee and commitment fees	19,575	15,738	16,712
(Losses)/gains on financial derivatives	(5,120)	2,636	2,882
Other income	3,183	2,827	3,917
Non-interest income	17,638	21,201	23,511
Operating expenses:
Compensation and employee benefits	71,325	63,975	58,914
General and administrative	44,613	38,236	34,963
Regulatory fees	3,863	3,175	3,222
Operating expenses	119,801	105,386	97,099
Income before income taxes	255,711	258,103	253,101
Income tax expense	48,296	50,910	53,098
Net income	207,415	207,193	200,003
Preferred stock dividends	(24,922)	(25,146)	(27,165)
Loss on retirement of preferred stock	0	(1,619)	0
Net income attributable to common stockholders	$ 182,493	$ 180,428	$ 172,838
Earnings per common share:
Basic earnings per common share (in dollars per share)	$ 16.73	$ 16.59	$ 15.97
Diluted earnings per common share (in dollars per share)	$ 16.62	$ 16.44	$ 15.81