Commitments and Contingent Liabilities (Tables)

6 Months Ended

Jun. 30, 2018

Commitments and Contingencies Disclosure [Abstract]

Commitments to Extend Credit, Guarantees and Various Letters of Credit Outstanding

The following table presents total commitments to extend credit, guarantees and various letters of credit outstanding:

	June 30,		December 31,
(unaudited, in thousands)	2018		2017
Lines of credit	$	1,571,547	$	1,452,697
Loans approved but not closed		354,696		245,644
Overdraft limits		126,101		126,671
Letters of credit		38,716		31,951
Contingent obligations and other guarantees		5,818		6,700