Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2021

Commitments and Contingencies Disclosure [Abstract]

Schedule of Commitments and Letters of Credit

The following table sets forth our commitments and letters of credit as of the dates presented:

(dollars in thousands)	June 30, 2021			December 31, 2020
Commitments to extend credit		$	2,476,630		$	2,185,752
Standby letters of credit		86,532			89,095
Total		$	2,563,162		$	2,274,847

Unfunded Loan Commitments, Allowance For Credit Loss

The following table presents activity in the allowance for credit losses on unfunded loan commitments as of the dates presented:

	Three Months Ended June 30,						Six Months Ended June 30,
(dollars in thousands)	2021			2020			2021			2020
Balance at beginning of period		$	4,303		$	6,077		$	4,467		$	3,112
Impact of adopting ASU 2016-13 at January 1, 2020		—			—			—			1,349
Balance after adoption of ASU 2016-13		4,303			6,077			4,467			4,461
Provision for credit losses		555			927			391			2,543
Total		$	4,858		$	7,004		$	4,858		$	7,004