Note 5 - Mortgage Loan Servicing (Tables)

12 Months Ended

Dec. 31, 2025

Notes Tables

Mortgage Loans Serviced for Others [Table Text Block]

(Dollars in thousands)	2025		2024
Mortgage loan portfolios serviced for:
Federal Home Loan Mortgage Corporation	$	1,422,337	$	1,364,485
Federal Home Loan Bank		264,517		176,540
Other		0		9,805
Total mortgage loans serviced for others	$	1,686,854	$	1,550,830

Servicing Asset at Amortized Cost [Table Text Block]

(Dollars in thousands)	2025			2024
Balance at beginning of year	$	12,475		$	11,343
Additions		4,544			4,465
Acquired from Eastern Michigan Bank		439			0
Amortized to expense		(3,854	)		(3,333	)
Balance at end of year	$	13,604		$	12,475