Federal Home Loan Bank Advances and Other Borrowings (Tables)

12 Months Ended

Dec. 31, 2022

Advance from Federal Home Loan Bank [Abstract]

Summary of Activities in Advances From the FHLB

The following table summarizes activities in FHLB advances for the periods indicated:

	Year Ended December 31,
(Dollars in thousands)	2022			2021
Average balance outstanding	$	574,238		$	24,886
Weighted average rate	2.29		%	0.39		%
Maximum amount outstanding at any month-end during the year	$	1,000,000		$	550,000
Balance outstanding at end of year	$	1,000,000		$	550,000
Weighted average interest rate at year-end	3.19		%	0.20		%

Summary of Activities in Other Borrowings

The following table summarizes activities in other borrowings for the periods indicated:

	Year Ended December 31,
(Dollars in thousands)	2022			2021
Average balance outstanding	$	82		$	61
Weighted average rate	1.26		%	0.34		%
Maximum amount outstanding at any month-end during the year	$	—		$	8,000
Balance outstanding at end of year	$	—		$	8,000
Weighted average interest rate at year-end	—		%	2.15		%

The following table summarizes our outstanding subordinated debentures as of December 31:

						2022		2021
(Dollars in thousands)	Stated Maturity	Current Interest Rate		Current Principal Balance		Carrying Value
Subordinated notes
Subordinated notes due 2024, 5.75% per annum	September 3, 2024	5.75	%	$	60,000	$	59,791	$	59,671
Subordinated notes due 2029, 4.875% per annum until May 15, 2024, 3-month LIBOR +4.9% thereafter	May 15, 2029	4.875	%	125,000		123,386		123,132
Subordinated notes due 2030, 5.375% per annum until June 15, 2025, 3-month SOFR +5.17% thereafter	June 15, 2030	5.375	%	150,000		148,027		147,764
Total subordinated debentures				$	335,000	$	331,204	$	330,567