Federal Home Loan Bank Advances and Other Borrowings (Tables)

12 Months Ended

Dec. 31, 2018

Long-term Federal Home Loan Bank Advances [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,
	2018			2017
	(dollars in thousands)
Average balance outstanding	$	529,278		$	290,839
Maximum amount outstanding at any month-end during the year	883,612			490,148
Balance outstanding at end of year	667,606			490,148
Weighted average interest rate during the year	2.51		%	1.19		%

Summary of activities in other borrowings

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

	Year Ended December 31,
	2018			2017
	(dollars in thousands)
Average balance outstanding	$	29,193		$	50,866
Maximum amount outstanding at any month-end during the year	52,091			52,996
Balance outstanding at end of year	75			46,139
Weighted average interest rate during the year	0.01		%	1.86		%