Federal Home Loan Bank Advances and Other Borrowings (Tables)

12 Months Ended

Dec. 31, 2021

Advances from Federal Home Loan Banks [Abstract]

Summary of activities in advances from the FHLB

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

	Year Ended December 31,
(Dollars in thousands)	2021			2020
Average balance outstanding	$	24,886		$	139,190
Weighted average rate	0.39		%	1.10		%
Maximum amount outstanding at any month-end during the year	$	550,000		$	521,017
Balance outstanding at end of year	$	550,000		$	31,000
Weighted average interest rate at year-end	0.20		%	1.53		%

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)	2021			2020
Average balance outstanding	$	61		$	251
Weighted average rate	0.34		%	0.16		%
Maximum amount outstanding at any month-end during the year	$	8,000		$	5,000
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:

						2021		2020
(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	$	59,671	$	59,552
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		123,132		122,877
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		147,764		147,501
Subordinated notes due 2025, 7.125% per annum	June 26, 2025	—	%	—		—		25,109
Subordinated notes due 2026, 5.5% per annum until June 30 2021, 3-month LIBOR +4.285% thereafter	July 1, 2026	—	%	—		—		138,371
Total subordinated notes				335,000		330,567		493,410
Subordinated debt
Heritage Oaks Capital Trust II (junior subordinated debt), 3-month LIBOR+1.72%	January 1, 2037	—	%	—		—		4,121
Santa Lucia Bancorp (CA) Capital Trust (junior subordinated debt), 3-month LIBOR+1.48%	July 7, 2036	—	%	—		—		3,980
Total subordinated debt				—		—		8,101
Total subordinated debentures				$	335,000	$	330,567	$	501,511