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Basic and Diluted Earnings per Share - Schedule of Reconciliation of Calculation of Basic Earnings per Share to Diluted Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Weighted average common shares outstanding
Net Income (Loss) Available to Common Stockholders, Basic	$ 20.5	$ 10.5	$ 41.6	$ 40.6
Weighted average shares of common stock (in shares)	8,021,182	7,821,128	7,947,992	7,766,331
Basic earnings per share (in USD per share)	$ 2.55	$ 1.34	$ 5.23	$ 5.23
Common stock warrants (in shares)	285,410	3,713	254,984	36,148
Stock option awards (in shares)	87	0	62	0
Common stock awards (in shares)	227,948	93,831	283,120	179,950
Dilutive weighted average shares of common stock (in shares)	8,534,627	7,918,672	8,486,158	7,982,429
Diluted earnings per share (in USD per share)	$ 2.40	$ 1.33	$ 4.90	$ 5.09
Stock options and common stock awards excluded from the computation of diluted earnings per share
Anti-dilutive Securities (in shares)	17,799	264,110	19,729	148,027
Market Based
Stock options and common stock awards excluded from the computation of diluted earnings per share
Anti-dilutive Securities (in shares)	22,565	64,085	22,565	64,085

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