Commitments and Contingent Liabilities (Tables)

12 Months Ended

Dec. 31, 2016

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:

	December 31,
(in thousands)	2016		2015
Lines of credit	$	1,418,329	$	1,159,769
Loans approved but not closed		185,254		234,599
Overdraft limits		126,517		106,252
Letters of credit		32,907		27,408
Contingent obligations to purchase loans funded by other entities		13,036		18,079